{"id":6775,"date":"2025-09-29T14:12:40","date_gmt":"2025-09-29T06:12:40","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=6775"},"modified":"2025-09-29T14:12:48","modified_gmt":"2025-09-29T06:12:48","slug":"yolo%e5%85%a5%e9%97%a8%e6%95%99%e7%a8%8b%ef%bc%88%e4%b8%80%ef%bc%89%ef%bc%9a%e7%9b%ae%e6%a0%87%e6%a3%80%e6%b5%8b%e7%bb%93%e6%9e%84%e6%b5%85%e6%9e%90","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/yolo\/yolo%e5%85%a5%e9%97%a8%e6%95%99%e7%a8%8b%ef%bc%88%e4%b8%80%ef%bc%89%ef%bc%9a%e7%9b%ae%e6%a0%87%e6%a3%80%e6%b5%8b%e7%bb%93%e6%9e%84%e6%b5%85%e6%9e%90\/","title":{"rendered":"YOLO\u5165\u95e8\u6559\u7a0b\uff08\u4e00\uff09\uff1a\u76ee\u6807\u68c0\u6d4b\u7ed3\u6784\u6d45\u6790"},"content":{"rendered":"\n<p>\u597d\u4e45\u6ca1\u6709\u505a\u4e0b\u6765\u4e00\u4e2a\u4e2a\u6572\u5b57\u8fdb\u884c\u8bb0\u7b14\u8bb0\u4e86\uff0c\u6700\u8fd1SOC\u9700\u8981\u589e\u52a0\u4e00\u4e2a\u89c6\u9891\u68c0\u6d4b\u6a21\u5757\uff0c\u9700\u8981\u5b66\u4e60\u4e00\u4e0b\u65b0\u4e1c\u897f\uff0c\u4e70\u4e86\u672c\u4e66\uff0c\u4e5f\u627e\u5230\u4e86\u5bf9\u5e94\u7684\u7b14\u8bb0\u3002<\/p>\n\n\n\n<p>\u4f46\u662f\u8fd9\u4e2a\u7cfb\u5217\u6587\u7ae0\u5b66\u4e60\u3002\u4f5c\u8005\u5e0c\u671b\u6709\u4e00\u5b9a\u7684\u57fa\u7840\uff0c\u800c\u6211\u6070\u597d\u6ca1\u6709\u3002\u6240\u4ee5\u5c31\u8fb9COPY\u4f5c\u8005\u7684\u6587\u7ae0\uff0c\u8fb9\u628a\u4e00\u8fb9\u5b66\u4e60\uff0c\u4e00\u8fb9\u964c\u751f\u7684\u8bcd\u6c47\uff0c\u548c\u56fe\u7247\u7684\u89e3\u91ca\u8fdb\u884c\u8bb0\u5f55\u3002\uff08\u53d1\u73b0\u4e0a\u5e74\u7eaa\u4e86\uff0c\u4e0d\u52a8\u624b\u76f4\u63a5\u770b\uff0c\u771f\u7684\u597d\u5bb9\u6613\u8d70\u795e\uff09<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5411\u8f93\u51fa\u8fd9\u4e48\u4f18\u79c0\u6587\u7ae0\u7684\u524d\u8f88\u81f4\u656c\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b66\u4e60\u6559\u6848\uff1ahttps:\/\/zhuanlan.zhihu.com\/p\/364372881<\/li>\n\n\n\n<li>\u4f5c\u8005\uff1aKissrabbit\u3001<\/li>\n\n\n\n<li>\u4f5c\u8005\u4e66\u7c4d\uff1a\u300aYOLO\u76ee\u6807\u68c0\u6d4b\u300b<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">0.\u76ee\u6807\u68c0\u6d4b<\/h1>\n\n\n\n<p>\u8ba1\u7b97\u673a\u89c6\u89c9\uff08Computer 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class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u90a3\u4e48\uff0c\u8ba1\u7b97\u673a\u89c6\u89c9\u8981\u89e3\u51b3\u4ec0\u4e48\u6837\u7684\u95ee\u9898\u5462\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u592a\u591a\u592a\u591a\u4e86\uff0c\u5373\u4f7f\u662f\u5199\u4e00\u672c\u5927\u5934\u4e66\uff0c\u6015\u662f\u4e5f\u96be\u8be6\u5c3d\u3002\u6240\u4ee5\uff0c\u6211\u4eec\u53ea\u805a\u7126\u5176\u4e2d\u4e00\u70b9\u2014\u2014\u76ee\u6807\u68c0\u6d4b\uff08object detection\uff0c\u540e\u9762\u6211\u4eec\u5c06\u7528\u7f29\u5199OD\u6765\u6307\u4ee3\uff09\u3002<\/p>\n\n\n\n<p>\u4e8e\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u95ee\u201c\u76ee\u6807\u68c0\u6d4b\u201d\u7a76\u7adf\u662f\u5e72\u561b\u7684\u5462\uff1f\u56de\u7b54\u4e5f\u5f88\u7b80\u5355\uff1a<strong>\u5c31\u662f\u8981\u7528\u77e9\u5f62\u6846\u628a\u56fe\u7247\u4e2d\u611f\u5174\u8da3\u7684\u7269\u4f53\u6846\u9009\u51fa\u6765<\/strong>\uff0c\u6bd4\u5982\u4e0b\u9762\u8fd9\u5f20\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"658\" height=\"602\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061051397.jpg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6776 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061051397.jpg 658w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061051397-300x274.jpg 300w\" sizes=\"auto, (max-width: 658px) 100vw, 658px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"658\" height=\"602\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061051397.jpg\" alt=\"\" class=\"wp-image-6776\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061051397.jpg 658w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061051397-300x274.jpg 300w\" sizes=\"auto, (max-width: 658px) 100vw, 658px\" 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class=\"wp-block-list\">\n<li>\u7b2c\u4e00\u6b65\uff1a\u4ece\u8f93\u5165\u56fe\u50cf\u4e2d\u63d0\u53d6\u4eba\u5de5\u89c6\u89c9\u7279\u5f81\uff08\u5982HOG\uff09\uff1b<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u65b9\u5411\u68af\u5ea6\u76f4\u65b9\u56fe\uff0cHistogram of Oriented Gradients\u3002\u6838\u5fc3\u601d\u60f3\u662f\uff1a\u5c40\u90e8\u7269\u4f53\u7684\u5916\u89c2\u548c\u5f62\u72b6\uff0c\u80fd\u591f\u901a\u8fc7\u68af\u5ea6\u65b9\u5411\u7684\u5206\u5e03\uff08\u76f4\u65b9\u56fe\uff09\u5f88\u597d\u5730\u63cf\u8ff0\u51fa\u6765\u3002\u56fe\u50cf\u4e2d\u7269\u4f53\u7684\u8fb9\u7f18\uff08\u6bd4\u5982\u7269\u4f53\u7684\u8f6e\u5ed3\uff09\u901a\u5e38\u662f\u989c\u8272\u6216\u4eae\u5ea6\u53d8\u5316\u660e\u663e\u7684\u5730\u65b9\u3002HOG 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wp-block-quote-is-layout-flow\">\n<p>\u5411\u91cf\u673a\uff08SVM\uff09\u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u4e14\u7ecf\u5178\u7684\u76d1\u7763\u5b66\u4e60\u7b97\u6cd5\uff0c\u4e3b\u8981\u7528\u4e8e\u5206\u7c7b\u4efb\u52a1\u3002\u5b83\u7684\u6838\u5fc3\u601d\u60f3\u975e\u5e38\u76f4\u89c2\uff1a\u627e\u5230\u4e00\u4e2a\u6700\u4f18\u7684\u51b3\u7b56\u8fb9\u754c\uff0c\u4ee5\u4fbf\u6700\u597d\u5730\u533a\u5206\u4e0d\u540c\u7c7b\u522b\u7684\u6570\u636e\uff0c\u5e76\u4e14\u8fd9\u4e2a\u8fb9\u754c\u8981\u5c3d\u53ef\u80fd\u5730\u8fdc\u79bb\u6240\u6709\u7c7b\u522b\u7684\u6570\u636e\u70b9\u3002\u6838\u5fc3\u601d\u60f3\u5c31\u662f\uff1a\u4f9d\u9760\u6700\u5173\u952e\u7684\u90a3\u4e9b\u6837\u672c\u70b9\uff0c\u627e\u5230\u4e00\u4e2a\u80fd\u8ba9\u6240\u6709\u7c7b\u522b\u90fd\u201c\u95f4\u9694\u6700\u5927\u5316\u201d\u7684\u51b3\u7b56\u8fb9\u754c\u3002\u5bf9\u4e8e\u7ebf\u6027\u4e0d\u53ef\u5206\u7684\u60c5\u51b5\uff0c\u901a\u8fc7\u6838\u51fd\u6570\u6620\u5c04\u5230\u9ad8\u7ef4\u7a7a\u95f4\u6765\u5b9e\u73b0\u7ebf\u6027\u53ef\u5206\u3002\u7c7b\u4f3c\u5728\u6df7\u5728\u4e00\u8d77\u7684\u7ea2\u8c46\u548c\u7eff\u8c46\u4e4b\u95f4\u5212\u4e00\u6761\u6700\u5bbd\u3001\u6700\u516c\u5e73\u7684\u5206\u754c\u7ebf\uff08\u6bd4\u5982\u4e00\u6839\u7b77\u5b50\uff09\uff0c\u4fdd\u8bc1\u4e24\u8fb9\u7684\u8c46\u5b50\u90fd\u79bb\u8fd9\u6839\u7ebf\u5c3d\u53ef\u80fd\u8fdc\u3002\u8fd9\u6837\u5373\u4f7f\u6709\u65b0\u8c46\u5b50\u6389\u4e0b\u6765\uff0c\u4e5f\u4e0d\u5bb9\u6613\u653e\u9519\u8fb9\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u4ee5\u73b0\u5728\u7684\u6280\u672f\u773c\u5149\u6765\u770b\uff0c\u8fd9\u79cd\u505a\u6cd5\u5341\u5206\u7684\u7c97\u7cd9\uff0c\u5c3d\u7ba1\u5728\u884c\u4eba\u68c0\u6d4b\u9886\u57df\uff0c\u8fd9\u4e00\u505a\u6cd5\u5728\u90a3\u4e2a\u65f6\u4ee3\u57fa\u672c\u80fd\u591f\u5b9e\u73b0\u5b9e\u9645\u90e8\u7f72\uff0c\u4f46\u90a3\u4e3b\u8981\u662f\u5f97\u76ca\u4e8e\u4eba\u4f53\u672c\u8eab\u7ed3\u6784\u4e0d\u7b97\u592a\u590d\u6742\uff0c\u5c24\u5176\u662f\u884c\u8d70\u4e2d\u7684\u4eba\uff0c\u5927\u90e8\u5206\u90fd\u6bd4\u8f83\u6b63\u5e38\uff0c\u9c9c\u6709\u201c\u5947\u884c\u79cd\u201d\uff0c\u4f46\u60f3\u505a\u51fa\u4e00\u4e2a\u53ef\u9760\u7684\u901a\u7528\u68c0\u6d4b\u5668\uff0c\u5219\u5b58\u5728\u5f88\u5927\u7684\u56f0\u96be\u3002<\/p>\n\n\n\n<p>\u76f4\u52302014\u5e74\uff0c\u4e00\u9053\u5e0c\u671b\u4e4b\u5149\u7167\u5c04\u4e86\u8fdb\u6765\u3002<\/p>\n\n\n\n<p>\u5728\u8fd9\u4e00\u5e74\uff0c\u8457\u540d\u7684R-CNN\u5de5\u4f5c\u7684\u95ee\u4e16\uff0c\u4e0d\u4ec5\u4ec5\u5927\u5e45\u5ea6\u63d0\u5347\u4e86\u5f53\u65f6\u7684benchmark\u6570\u636e\u96c6PASCAL VOC\u7684mAP\uff0c\u540c\u65f6\u4e5f\u610f\u5473\u7740\u6df1\u5ea6\u5b66\u4e60\u6280\u672f\u6b63\u5f0f\u8fdb\u519b\u76ee\u6807\u68c0\u6d4b\u9886\u57df\u3002\u540e\u7eed\u7684\u4f18\u5316\u5de5\u4f5c\u6ce8\u5165Fast R-CNN\u3001Faster R-CNN\u7b49\u76f8\u7ee7\u51fa\u73b0\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5173\u952e\u8bcd<\/th><th>\u662f\u4ec0\u4e48\uff1f<\/th><th>\u4e3b\u8981\u7279\u70b9\u6216\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td><strong>R-CNN<\/strong><\/td><td>2014\u5e74\u63d0\u51fa\u7684<strong>\u57fa\u4e8e\u533a\u57df\u7684\u5377\u79ef\u795e\u7ecf\u7f51\u7edc<\/strong>\u65b9\u6cd5\uff0c\u662f<strong>\u6df1\u5ea6\u5b66\u4e60\u6210\u529f\u5e94\u7528\u4e8e\u76ee\u6807\u68c0\u6d4b\u7684\u5f00\u5c71\u4e4b\u4f5c<\/strong>\u3002<\/td><td>\u9996\u6b21\u7528CNN\uff08\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff09\u63d0\u53d6\u76ee\u6807\u7279\u5f81\u66ff\u4ee3\u4f20\u7edf\u624b\u5de5\u7279\u5f81\uff0c<strong>\u5927\u5e45\u63d0\u5347\u68c0\u6d4b\u7cbe\u5ea6<\/strong>\uff0c\u4f46<strong>\u8bad\u7ec3\u7e41\u7410\u3001\u901f\u5ea6\u6162<\/strong>\u3002<\/td><\/tr><tr><td><strong>PASCAL VOC<\/strong><\/td><td>\u4e00\u4e2a<strong>\u7ecf\u5178\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u6570\u636e\u96c6<\/strong>\uff0c\u5305\u542b\u56fe\u50cf\u5206\u7c7b\u3001\u76ee\u6807\u68c0\u6d4b\u3001\u8bed\u4e49\u5206\u5272\u7b49\u4efb\u52a1\u3002<\/td><td>\u66fe\u662f\u76ee\u6807\u68c0\u6d4b\u9886\u57df\u7684<strong>\u57fa\u51c6\u6570\u636e\u96c6<\/strong>\u4e4b\u4e00\uff0c\u7528\u4e8e\u8bc4\u4f30\u548c\u6bd4\u8f83\u4e0d\u540c\u7b97\u6cd5\u7684\u6027\u80fd\uff0c\u5176\u76ee\u6807\u68c0\u6d4b\u4efb\u52a1\u5305\u542b20\u4e2a\u5e38\u89c1\u7269\u4f53\u7c7b\u522b\u3002<\/td><\/tr><tr><td><strong>mAP<\/strong><\/td><td><strong>\u5747\u503c\u5e73\u5747\u7cbe\u5ea6<\/strong>\uff0c\u662f<strong>\u8bc4\u4f30\u76ee\u6807\u68c0\u6d4b\u6a21\u578b\u6027\u80fd\u7684\u6838\u5fc3\u6307\u6807<\/strong>\u3002<\/td><td><strong>\u7efc\u5408\u8003\u91cf<\/strong>\u4e86\u5206\u7c7b\u7cbe\u5ea6\u548c\u5b9a\u4f4d\u51c6\u786e\u6027\uff0c<strong>mAP\u503c\u8d8a\u9ad8<\/strong>\uff0c\u901a\u5e38\u610f\u5473\u7740\u6a21\u578b<strong>\u6574\u4f53\u6027\u80fd\u8d8a\u597d<\/strong>\u3002<\/td><\/tr><tr><td><strong>Fast R-CNN<\/strong><\/td><td>R-CNN\u7684<strong>\u6539\u8fdb\u7248\u672c<\/strong>\uff0c\u65e8\u5728<strong>\u89e3\u51b3R-CNN\u901f\u5ea6\u6162\u3001\u8bad\u7ec3\u590d\u6742\u7684\u95ee\u9898<\/strong>\u3002<\/td><td>\u901a\u8fc7<strong>RoI Pooling\u5c42<\/strong>\u548c<strong>\u591a\u4efb\u52a1\u635f\u5931\u51fd\u6570<\/strong>\u7b49\u65b9\u5f0f\uff0c\u5b9e\u73b0\u4e86<strong>\u7aef\u5230\u7aef\u8bad\u7ec3<\/strong>\uff0c\u663e\u8457<strong>\u63d0\u9ad8\u4e86\u68c0\u6d4b\u901f\u5ea6\u548c\u7cbe\u5ea6<\/strong>\u3002<\/td><\/tr><tr><td><strong>Faster R-CNN<\/strong><\/td><td>Fast R-CNN\u7684<strong>\u8fdb\u4e00\u6b65\u53d1\u5c55<\/strong>\uff0c\u662f<strong>\u4e24\u9636\u6bb5\u68c0\u6d4b\u5668\u7684\u4ee3\u8868\u4f5c<\/strong>\u3002<\/td><td>\u5f15\u5165\u4e86<strong>\u533a\u57df\u63d0\u8bae\u7f51\u7edc<\/strong>\uff0c<strong>\u66ff\u4ee3\u4e86\u8017\u65f6\u7684\u9009\u62e9\u6027\u641c\u7d22<\/strong>\uff0c\u4f7f<strong>\u533a\u57df\u63d0\u8bae\u3001\u7279\u5f81\u63d0\u53d6\u3001\u5206\u7c7b\u548c\u56de\u5f52\u5168\u90e8\u5728\u4e00\u4e2a\u7f51\u7edc\u4e2d\u5b8c\u6210<\/strong>\uff0c\u8fdb\u4e00\u6b65<strong>\u63d0\u9ad8\u4e86\u6548\u7387\u548c\u7cbe\u5ea6<\/strong>\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"492\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061059565-1024x492.jpg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6777 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061059565-1024x492.jpg 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061059565-300x144.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061059565-768x369.jpg 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061059565.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"492\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061059565-1024x492.jpg\" alt=\"\" class=\"wp-image-6777\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061059565-1024x492.jpg 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061059565-300x144.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061059565-768x369.jpg 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061059565.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure>\n\n\n\n<p>\u800c\u57282015\u5e74\uff0c\u53c8\u4e00\u4e2a\u9769\u547d\u6027\u7684\u5de5\u4f5c\u2014\u2014YOLO\uff08You Only Look Once\uff09\u95ee\u4e16\u3002YOLO\u4ee5\u5176GPU\u5b9e\u65f6\uff08real-time\uff09\u68c0\u6d4b\u901f\u5ea6\uff1aTITAN X\u4e0a\u768440+FPS\uff0c\u53ca\u5176\u7b80\u6d01\u7684\u6a21\u578b\u67b6\u6784\u5907\u53d7\u7814\u7a76\u8005\u4eec\u7684\u77a9\u76ee\u548c\u559c\u7231\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"469\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061115722-1024x469.jpg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6779 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061115722-1024x469.jpg 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061115722-300x138.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061115722-768x352.jpg 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061115722.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"469\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061115722-1024x469.jpg\" alt=\"\" class=\"wp-image-6779\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061115722-1024x469.jpg 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061115722-300x138.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061115722-768x352.jpg 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061115722.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure>\n\n\n\n<p>\u81ea\u6b64\uff0c\u76ee\u6807\u68c0\u6d4b\u4e24\u5927\u6d41\u6d3e\u8bde\u751f\u4e86\uff1a\u4e00\u4e2a\u662f\u4ee5R-CNN\u4e3a\u59cb\u7956\u7684two-stage\u6d3e\u7cfb\uff0c\u4e00\u4e2a\u662f\u4ee5YOLO\u4e3a\u59cb\u7956\u7684one-stage\u6d3e\u7cfb\u3002\u524d\u8005\u5f80\u5f80\u51c6\u786e\u5ea6\u66f4\u9ad8\u4f46\u901f\u5ea6\u4e0a\u8f83\u6162\uff0c\u540e\u8005\u5f80\u5f80\u66f4\u5feb\u4f46\u51c6\u5934\u7565\u5dee\u4e00\u4e9b\u3002<\/p>\n\n\n\n<p>\u7eb5\u89c2\u79d1\u5b66\u53d1\u5c55\u53f2\uff0c\u201c\u5927\u9053\u81f3\u7b80\u201d\u8fd9\u4e00\u9053\u7406\u603b\u662f\u6709\u6548\u7684\u3002\u5927\u6982\u6216\u8bb8\u7531\u4e8e\u8fd9\u4e2a\u539f\u56e0\uff0cone-stage\u6d3e\u7cfb\u5728\u968f\u540e\u7684\u51e0\u5e74\u5f97\u5230\u4e86\u957f\u8db3\u7684\u53d1\u5c55\uff0c\u6bcf\u5e74\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u9876\u4f1a\uff08CVPR\u3001ECCV\u3001ICCV\uff09\u4e2d\u7684\u76ee\u6807\u68c0\u6d4b\u5de5\u4f5c\u5927\u591a\u90fd\u662fone-stage\u6a21\u578b\uff0c\u5982SSD\u3001RetinaNet\u3001FCOS\u3001CenterNet\u7b49\u3002<\/p>\n\n\n\n<p>Two-stage\u5c3d\u7ba1\u6709\u7740\u5176\u672c\u8eab\u7684\u4f18\u52bf\uff0c\u4f46\u76f8\u8f83\u4e8e\u66f4\u52a0\u7b80\u6d01\u3001\u6f5c\u529b\u66f4\u5927\u7684one-stage\u6d3e\u7cfb\u6765\u8bf4\uff0c\u70ed\u5ea6\u5df2\u7ecf\u964d\u4e0b\u6765\u4e86\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5165\u95e8\u76ee\u6807\u68c0\u6d4b\u9886\u57df\uff0c\u5b66\u4e60one-stage\u5de5\u4f5c\u662f\u66f4\u4e3a\u4e3b\u6d41\u7684\u4e00\u4e2a\u9009\u62e9\u3002<\/p>\n\n\n\n<p>\u4ece\u6df1\u5ea6\u5b66\u4e60\u65f6\u4ee3\u5f00\u59cb\uff0c\u76ee\u6807\u68c0\u6d4b\u7684\u6846\u67b6\u4e5f\u57fa\u672c\u660e\u786e\u4e86\u4e0b\u6765\uff1a\u4e00\u4e2a\u5e38\u89c1\u7684\u76ee\u6807\u68c0\u6d4b\u7f51\u7edc\uff0c\u5176\u672c\u8eab\u5f80\u5f80\u53ef\u4ee5\u5206\u4e3a\u4e00\u4e0b\u4e09\u5927\u5757\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"106\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061124837-1024x106.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6780 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061124837-1024x106.png 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061124837-300x31.png 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061124837-768x80.png 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061124837.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"106\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061124837-1024x106.png\" alt=\"\" class=\"wp-image-6780\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061124837-1024x106.png 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061124837-300x31.png 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061124837-768x80.png 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061124837.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure>\n\n\n\n<p><strong>Backbone network\uff0c\u5373\u4e3b\u5e72\u7f51\u7edc<\/strong>\uff0c\u662f\u76ee\u6807\u68c0\u6d4b\u7f51\u7edc\u6700\u4e3a\u6838\u5fc3\u7684\u90e8\u5206\uff0c\u5927\u591a\u6570\u65f6\u5019\uff0cbackbone\u9009\u62e9\u7684\u597d\u574f\uff0c\u5bf9\u68c0\u6d4b\u6027\u80fd\u5f71\u54cd\u662f\u5341\u5206\u5de8\u5927\u7684\u3002<\/p>\n\n\n\n<p><strong>Neck network\uff0c\u5373\u9888\u90e8\u7f51\u7edc<\/strong>\uff08\u8116\u5b50\u7f51\u7edc\uff1f\u8bf4\u5b9e\u8bdd\uff0c\u8fd9\u4e2a\u4e0d\u7ffb\u8bd1\u8fc7\u6765\u6bd4\u8f83\u597d\u2026\u2026\uff09\uff0cNeck\u90e8\u5206\u7684\u4e3b\u8981\u4f5c\u7528\u5c31\u662f\u5c06\u7531backbone\u8f93\u51fa\u7684\u7279\u5f81\u8fdb\u884c\u6574\u5408\u3002\u5176\u6574\u5408\u65b9\u5f0f\u6709\u5f88\u591a\uff0c\u6700\u4e3a\u5e38\u89c1\u7684\u5c31\u662fFPN\uff08Feature Pyramid Network\uff09\uff0c\u6709\u5173FPN\u7684\u5185\u5bb9\uff0c\u6211\u4eec\u4f1a\u5728\u5c55\u5f00\u4ecb\u7ecdNeck\u7684\u65f6\u5019\u518d\u6b21\u63d0\u5230\u7684\u3002<\/p>\n\n\n\n<p><strong>Detection head\uff0c\u5373\u68c0\u6d4b\u5934<\/strong>\uff0c\u8fd9\u4e00\u90e8\u5206\u7684\u4f5c\u7528\u5c31\u6ca1\u4ec0\u4e48\u7279\u6b8a\u7684\u542b\u4e49\u4e86\uff0c\u5c31\u662f\u82e5\u5e72\u5377\u79ef\u5c42\u8fdb\u884c\u9884\u6d4b\uff0c\u4e5f\u6709\u4e9b\u5de5\u4f5c\u91cc\u628ahead\u90e8\u5206\u79f0\u4e3adecoder\uff08\u89e3\u7801\u5668\uff09\u7684\uff0c\u8fd9\u79cd\u79f0\u547c\u4e0d\u65e0\u9053\u7406\uff0chead\u90e8\u5206\u5c31\u662f\u5728\u7531\u524d\u9762\u7f51\u7edc\u8f93\u51fa\u7684\u7279\u5f81\u4e0a\u53bb\u8fdb\u884c\u9884\u6d4b\uff0c\u7ea6\u7b49\u4e8e\u662f\u4ece\u8fd9\u4e9b\u4fe1\u606f\u91cc\u89e3\u8026\u51fa\u6765\u56fe\u50cf\u4e2d\u7269\u4f53\u7684\u7c7b\u522b\u548c\u4f4d\u7f6e\u4fe1\u606f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5173\u952e\u8bcd<\/th><th>\u662f\u4ec0\u4e48\uff1f<\/th><th>\u4e3b\u8981\u7279\u70b9\u6216\u8d21\u732e<\/th><\/tr><\/thead><tbody><tr><td><strong>CVPR\/ECCV\/ICCV<\/strong><\/td><td>\u8ba1\u7b97\u673a\u89c6\u89c9\u9886\u57df<strong>\u6700\u9876\u5c16\u3001\u5f71\u54cd\u529b\u6700\u5927\u7684\u4e09\u4e2a\u56fd\u9645\u5b66\u672f\u4f1a\u8bae<\/strong>\u3002<\/td><td>\u5728\u8fd9\u4e9b\u4f1a\u8bae\u4e0a\u53d1\u8868\u7684\u5de5\u4f5c\u901a\u5e38\u4ee3\u8868\u4e86\u8be5\u9886\u57df\u7684<strong>\u6700\u65b0\u8fdb\u5c55\u548c\u6700\u9ad8\u6c34\u5e73<\/strong>\u3002<\/td><\/tr><tr><td><strong>SSD<\/strong><\/td><td><strong>Single Shot MultiBox Detector<\/strong>\uff0c\u662fOne-Stage\u76ee\u6807\u68c0\u6d4b\u5668\u7684<strong>\u7ecf\u5178\u4ee3\u8868\u4f5c\u4e4b\u4e00<\/strong>\u3002<\/td><td>\u5176\u4e3b\u8981\u8d21\u732e\u5728\u4e8e<strong>\u5728\u4e0d\u540c\u5c3a\u5ea6\u7684\u7279\u5f81\u56fe\u4e0a\u8fdb\u884c\u9884\u6d4b<\/strong>\uff0c\u80fd<strong>\u66f4\u597d\u5730\u68c0\u6d4b\u4e0d\u540c\u5927\u5c0f\u7684\u76ee\u6807<\/strong>\uff0c\u5c24\u5176\u5728<strong>\u901f\u5ea6\u548c\u7cbe\u5ea6\u4e4b\u95f4\u53d6\u5f97\u4e86\u8f83\u597d\u7684\u5e73\u8861<\/strong>\u3002<\/td><\/tr><tr><td><strong>RetinaNet<\/strong><\/td><td>\u53e6\u4e00\u4e2a\u8457\u540d\u7684<strong>One-Stage\u76ee\u6807\u68c0\u6d4b\u5668<\/strong>\u3002<\/td><td>\u5b83\u901a\u8fc7\u5f15\u5165<strong>Focal Loss<\/strong>\u635f\u5931\u51fd\u6570\uff0c<strong>\u6709\u6548\u89e3\u51b3\u4e86\u76ee\u6807\u68c0\u6d4b\u4e2d\u6b63\u8d1f\u6837\u672c\uff08\u524d\u666f\u548c\u80cc\u666f\uff09\u6781\u5ea6\u4e0d\u5e73\u8861\u7684\u95ee\u9898<\/strong>\uff0c\u4ece\u800c\u5728\u4fdd\u6301\u901f\u5ea6\u7684\u540c\u65f6\u5927\u5e45\u63d0\u5347\u4e86\u7cbe\u5ea6\u3002<\/td><\/tr><tr><td><strong>FCOS<\/strong><\/td><td><strong>Fully Convolutional One-Stage<\/strong>&nbsp;object detector\uff0c\u4e00\u79cd<strong>\u65e0\u951a\u6846\uff08Anchor-Free\uff09\u7684One-Stage\u76ee\u6807\u68c0\u6d4b\u5668<\/strong>\u3002<\/td><td>\u5b83<strong>\u6452\u5f03\u4e86\u9884\u5148\u8bbe\u5b9a\u951a\u6846\u7684\u505a\u6cd5<\/strong>\uff0c\u76f4\u63a5\u5bf9\u7279\u5f81\u56fe\u4e0a\u6bcf\u4e2a\u70b9\u8fdb\u884c\u9884\u6d4b\uff0c<strong>\u7b80\u5316\u4e86\u68c0\u6d4b\u6d41\u7a0b<\/strong>\uff0c\u51cf\u5c11\u4e86\u8d85\u53c2\u6570\uff0c\u5e76\u53d6\u5f97\u4e86\u4f18\u5f02\u7684\u6027\u80fd\u3002<\/td><\/tr><tr><td><strong>CenterNet<\/strong><\/td><td>\u540c\u6837\u5c5e\u4e8e<strong>Anchor-Free\u7684One-Stage\u76ee\u6807\u68c0\u6d4b\u5668<\/strong>\u7684\u4ee3\u8868\u4e4b\u4e00\u3002<\/td><td>\u5b83\u5c06\u76ee\u6807<strong>\u8868\u793a\u4e3a\u4e00\u4e2a\u70b9\uff08\u901a\u5e38\u662f\u4e2d\u5fc3\u70b9\uff09<\/strong>\uff0c\u7136\u540e\u76f4\u63a5\u9884\u6d4b\u8be5\u70b9\u7684\u5c5e\u6027\uff08\u5982\u5c3a\u5bf8\u3001\u504f\u79fb\u7b49\uff09\uff0c<strong>\u8fdb\u4e00\u6b65\u7b80\u5316\u4e86\u68c0\u6d4b\u6d41\u7a0b<\/strong>\uff0c\u601d\u8def\u975e\u5e38\u65b0\u9896\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u4e3a\u4ee5\u4e0a\u4efb\u610f\u90e8\u5206\u5355\u72ec\u53bb\u8bbe\u8ba1\u4e00\u4e2a\u6a21\u5757\uff0c\u7136\u540e\u201c\u63d2\u8fdb\u53bb\u201d\u5373\u53ef\u3002\u5f88\u591a\u76ee\u6807\u68c0\u6d4b\u7684\u4f18\u5316\u5de5\u4f5c\u5c31\u662f\u8fd9\u4e48\u6765\u7684\uff0c\u6bd4\u59822018\u5e74\u7684ECCV\u4e0a\u7684RFBNet\uff0c\u5c31\u662f\u5728SSD\u57fa\u7840\u4e0a\uff0c\u8bbe\u8ba1\u4e86RFB\u6a21\u5757\u63d2\u8fdbNeck\u90e8\u5206\uff0c\u4ece\u800c\u663e\u8457\u63d0\u5347\u4e86\u6a21\u578b\u6027\u80fd\u3002<img decoding=\"async\" class=\"lazyload\"alt=\"RFB\u6a21\u5757\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/0l8e8dYXFXY5LEwjMHhSS3mh4nOd1JP1jTAM72yT89IuCETdXLxrksV2qFibYFvOYgNmbK7NQafTib2l7jIXzv5A\/640?wx_fmt=jpeg&amp;from=appmsg&amp;watermark=1&amp;tp=wxpic&amp;wxfrom=5&amp;wx_lazy=1#imgIndex=4\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"><noscript><img decoding=\"async\" alt=\"RFB\u6a21\u5757\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/0l8e8dYXFXY5LEwjMHhSS3mh4nOd1JP1jTAM72yT89IuCETdXLxrksV2qFibYFvOYgNmbK7NQafTib2l7jIXzv5A\/640?wx_fmt=jpeg&amp;from=appmsg&amp;watermark=1&amp;tp=wxpic&amp;wxfrom=5&amp;wx_lazy=1#imgIndex=4\"><\/noscript><img decoding=\"async\" class=\"lazyload\"alt=\"RFBNet\u7684\u7f51\u7edc\u7ed3\u6784\uff0c\u4e0d\u96be\u770b\u51fa\uff0c\u5728SSD\u7684\u57fa\u7840\u4e0a\uff0c\u6dfb\u52a0\u4e86RFB\u6a21\u5757\u3002\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/0l8e8dYXFXY5LEwjMHhSS3mh4nOd1JP1tEX3CIcUlkyMReqO8DShPu7oBc0fj5ugqJgFdia14ObNHA4IPRlp2eQ\/640?wx_fmt=jpeg&amp;from=appmsg&amp;watermark=1&amp;tp=wxpic&amp;wxfrom=5&amp;wx_lazy=1#imgIndex=5\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"><noscript><img decoding=\"async\" alt=\"RFBNet\u7684\u7f51\u7edc\u7ed3\u6784\uff0c\u4e0d\u96be\u770b\u51fa\uff0c\u5728SSD\u7684\u57fa\u7840\u4e0a\uff0c\u6dfb\u52a0\u4e86RFB\u6a21\u5757\u3002\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/0l8e8dYXFXY5LEwjMHhSS3mh4nOd1JP1tEX3CIcUlkyMReqO8DShPu7oBc0fj5ugqJgFdia14ObNHA4IPRlp2eQ\/640?wx_fmt=jpeg&amp;from=appmsg&amp;watermark=1&amp;tp=wxpic&amp;wxfrom=5&amp;wx_lazy=1#imgIndex=5\"><\/noscript><\/p>\n\n\n\n<p>\u5bf9\u4e8e\u8fd9\u4e24\u4e2a\u56fe\u7684\u7406\u89e3\u662f\u8fd9\u6837\u7684\uff01<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83e\udde0 \u6838\u5fc3\u601d\u60f3\uff1a\u50cf\u201c\u7ec4\u88c5\u8d5b\u8f66\u201d\u4e00\u6837\u7406\u89e3\u6a21\u578b\u4f18\u5316<\/p>\n<\/blockquote>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u7840\u8f66\u578b\uff08SSD\uff09<\/strong>\uff1a\u5047\u8bbeSSD\u662f\u4e00\u53f0\u5df2\u7ecf\u8bbe\u8ba1\u597d\u7684\u57fa\u7840\u6b3e\u8d5b\u8f66\uff0c\u6027\u80fd\u4e0d\u9519\uff0c\u80fd\u8dd1\uff08\u80fd\u68c0\u6d4b\u76ee\u6807\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5b9a\u5236\u5347\u7ea7\u4ef6\uff08RFB\u6a21\u5757\uff09<\/strong>\uff1a\u7814\u7a76\u4eba\u5458\u89c9\u5f97\u8fd9\u53f0\u8f66\u7684\u201c\u5f15\u64ce\u8fdb\u6c14\u7cfb\u7edf\u201d\uff08<strong>\u611f\u53d7\u91ce<\/strong>\uff09\u4e0d\u591f\u9ad8\u6548\uff0c\u4e8e\u662f\u81ea\u5df1<strong>\u5355\u72ec\u8bbe\u8ba1\u4e86\u4e00\u4e2a\u66f4\u5f3a\u5927\u7684\u65b0\u8fdb\u6c14\u7cfb\u7edf\uff08RFB\u6a21\u5757\uff09<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u5b89\u88c5\u5347\u7ea7\uff08\u63d2\u8fdbNeck\uff09<\/strong>\uff1a\u4ed6\u4eec\u628a\u8fd9\u4e2a\u65b0\u8bbe\u8ba1\u7684RFB\u6a21\u5757\uff0c<strong>\u62c6\u6389\u539f\u8f66\u5bf9\u5e94\u7684\u65e7\u90e8\u4ef6\uff0c\u7136\u540e\u201c\u63d2\u8fdb\u53bb\u201d<\/strong>\uff0c\u66ff\u6362\u6389\u539f\u6765\u7684\u666e\u901a\u8fdb\u6c14\u9053\u3002<\/li>\n\n\n\n<li><strong>\u6027\u80fd\u63d0\u5347\uff08RFBNet\uff09<\/strong>\uff1a\u7ec4\u88c5\u5b8c\u6210\u540e\uff0c\u65b0\u8f66\uff08<strong>RFBNet<\/strong>\uff09\u7684\u5f15\u64ce\u80fd\u66f4\u9ad8\u6548\u5730\u5438\u5165\u548c\u6df7\u5408\u7a7a\u6c14\uff08<strong>\u878d\u5408\u4e0d\u540c\u5c3a\u5ea6\u7684\u7279\u5f81<\/strong>\uff09\uff0c\u4ece\u800c\u7206\u53d1\u66f4\u5f3a\u52a8\u529b\uff0c\u6210\u7ee9\uff08<strong>mAP\uff0c\u68c0\u6d4b\u7cbe\u5ea6<\/strong>\uff09\u81ea\u7136\u5c31\u663e\u8457\u63d0\u5347\u4e86\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u5c31\u662f\u4f60\u5f15\u7528\u7684\u90a3\u53e5\u8bdd\u201c<em>\u6211\u4eec\u53ef\u4ee5\u4e3a\u4ee5\u4e0a\u4efb\u610f\u90e8\u5206\u5355\u72ec\u53bb\u8bbe\u8ba1\u4e00\u4e2a\u6a21\u5757\uff0c\u7136\u540e\u2018\u63d2\u8fdb\u53bb\u2019\u5373\u53ef<\/em>\u201d\u7684\u771f\u6b63\u542b\u4e49\u3002RFBNet\u5c31\u662f\u8fd9\u79cd\u601d\u60f3\u7684\u4e00\u4e2a\u7ecf\u5178\u5b9e\u8df5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83d\udd0d \u8be6\u89e3\u4e24\u5f20\u56fe<\/p>\n<\/blockquote>\n\n\n\n<p>\u73b0\u5728\u6211\u4eec\u6765\u770b\u4f60\u7684\u4e24\u5f20\u56fe\uff0c\u5b83\u4eec\u5206\u522b\u5c55\u793a\u4e86\u201c\u5347\u7ea7\u4ef6\u201d\u672c\u8eab\u548c\u201c\u5347\u7ea7\u540e\u7684\u6574\u8f66\u7ed3\u6784\u201d\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u7b2c1\u5f20\u56fe\uff1aRFB\u6a21\u5757\u8be6\u89e3\uff08\u201c\u5347\u7ea7\u4ef6\u201d\u7684\u84dd\u56fe\uff09<\/p>\n<\/blockquote>\n\n\n\n<p>\u8fd9\u5f20\u56fe\u544a\u8bc9\u4f60\uff0cRFB\u8fd9\u4e2a\u201c\u5347\u7ea7\u8fdb\u6c14\u7cfb\u7edf\u201d\u5185\u90e8\u662f\u600e\u4e48\u8bbe\u8ba1\u7684\u3002\u5b83\u7684\u6838\u5fc3\u76ee\u6807\u662f<strong>\u8ba9\u7f51\u7edc\u5177\u5907\u66f4\u7075\u6d3b\u3001\u66f4\u5f3a\u5927\u7684\u201c\u89c6\u91ce\u201d\uff08\u611f\u53d7\u91ce\uff09<\/strong>\uff0c\u4ece\u800c\u66f4\u597d\u5730\u89c2\u5bdf\u4e0d\u540c\u5927\u5c0f\u7684\u7269\u4f53\u3002<\/p>\n\n\n\n<p>!https:\/\/raw.githubusercontent.com\/sanghoon\/pva-faster-rcnn\/master\/models\/pvanet_example\/example_rfb.png<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b83\u6a21\u4eff\u4e86\u4eba\u7c7b\u89c6\u89c9<\/strong>\uff1a\u4eba\u773c\u770b\u4e1c\u897f\u65f6\uff0c\u89c6\u89c9\u4e2d\u5fc3\u533a\u57df\uff08<strong>\u4e2d\u592e\u51f9<\/strong>\uff09\u4f1a\u6295\u5165\u66f4\u591a\u7ec6\u80de\uff0c\u611f\u53d7\u91ce\u66f4\u7cbe\u7ec6\u3002RFB\u6a21\u5757\u901a\u8fc7\u591a\u5206\u652f\u5377\u79ef\u6765\u6a21\u62df\u8fd9\u4e2a\u8fc7\u7a0b\u3002<\/li>\n\n\n\n<li><strong>\u591a\u5206\u652f\u7ed3\u6784\uff08Multi-branch\uff09<\/strong>\uff1a\u8fd9\u662fRFB\u7684\u6838\u5fc3\u3002\u5b83\u7528<strong>\u591a\u4e2a\u4e0d\u540c\u5c3a\u5bf8\u7684\u201c\u955c\u5934\u201d<\/strong>\uff08\u5373\u4e0d\u540c\u81a8\u80c0\u7387<code>rate<\/code>\u76843x3\u7a7a\u6d1e\u5377\u79ef\uff09\u540c\u65f6\u53bb\u89c2\u5bdf\u8f93\u5165\u7684\u7279\u5f81\u3002\n<ul class=\"wp-block-list\">\n<li><code>rate=1<\/code>\uff1a\u6807\u51c6\u5377\u79ef\uff0c\u770b\u7ec6\u8282\u3002<\/li>\n\n\n\n<li><code>rate=3<\/code>\uff1a\u7a7a\u6d1e\u5377\u79ef\uff0c\u89c6\u91ce\u66f4\u5927\u4e00\u70b9\uff0c\u770b\u4e2d\u7b49\u76ee\u6807\u3002<\/li>\n\n\n\n<li><code>rate=5<\/code>\uff1a\u7a7a\u6d1e\u5377\u79ef\uff0c\u89c6\u91ce\u6700\u5927\uff0c\u770b\u5927\u578b\u76ee\u6807\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Shortcut\uff08\u5feb\u6377\u8fde\u63a5\uff09<\/strong>\uff1a\u56fe\u4e2d\u6807\u51fa\u7684<code>Shortcut<\/code>\u5c31\u662f<strong>\u8df3\u8fdc\u6bd4\u8d5b\u4e2d\u7684\u52a9\u8dd1<\/strong>\u3002\u5b83\u8ba9\u4fe1\u606f\u53ef\u4ee5\u76f4\u63a5\u4ece\u8d77\u70b9\u4f20\u5230\u540e\u9762\uff0c\u907f\u514d\u4e86\u5c42\u5c42\u4f20\u9012\u53ef\u80fd\u9020\u6210\u7684\u4fe1\u606f\u635f\u8017\uff0c\u8ba9\u8bad\u7ec3\u66f4\u7a33\u5b9a\u3001\u66f4\u9ad8\u6548\u3002<\/li>\n\n\n\n<li><strong>\u6700\u540e\u62fc\u63a5\uff08Concatenation\uff09<\/strong>\uff1a\u628a\u4e0d\u540c\u201c\u955c\u5934\u201d\u770b\u5230\u7684\u4fe1\u606f<strong>\u5168\u90e8\u62fc\u63a5\u5728\u4e00\u8d77<\/strong>\uff0c\u5f62\u6210\u4e00\u4e2a\u4fe1\u606f\u66f4\u5168\u9762\u3001\u66f4\u4e30\u5bcc\u7684\u7279\u5f81\u3002\u518d\u7ecf\u8fc7\u4e00\u4e2a<code>1x1 Conv<\/code>\u505a\u4e00\u4e0b\u6574\u5408\uff0c\u6700\u7ec8\u8f93\u51fa\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u7b80\u5355\u603b\u7ed3\u7b2c1\u5f20\u56fe\uff1aRFB\u6a21\u5757\u662f\u4e00\u4e2a\u591a\u5206\u652f\u7ed3\u6784\uff0c\u5b83\u540c\u65f6\u7528\u591a\u79cd\u4e0d\u540c\u7684\u201c\u89c6\u91ce\u201d\u53bb\u89c2\u5bdf\u7279\u5f81\uff0c\u7136\u540e\u628a\u770b\u5230\u7684\u7ed3\u679c\u7efc\u5408\u8d77\u6765\uff0c\u5f62\u6210\u4e00\u79cd\u66f4\u5f3a\u5927\u7684\u65b0\u7279\u5f81\u3002<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u7b2c2\u5f20\u56fe\uff1aRFBNet\u6574\u4f53\u7ed3\u6784\uff08\u201c\u5347\u7ea7\u540e\u7684\u6574\u8f66\u201d\u56fe\u7eb8\uff09<\/p>\n<\/blockquote>\n\n\n\n<p>\u8fd9\u5f20\u56fe\u5c55\u793a\u4e86\u5982\u4f55\u628a\u4e0a\u9762\u8bbe\u8ba1\u597d\u7684\u201cRFB\u5347\u7ea7\u4ef6\u201d\u5b89\u88c5\u5230\u539f\u6765\u7684\u201cSSD\u57fa\u7840\u8f66\u578b\u201d\u4e0a\u3002<\/p>\n\n\n\n<p>!https:\/\/raw.githubusercontent.com\/ruinmessi\/RFBNet\/master\/doc\/rfb_net_structure.png<\/p>\n\n\n\n<p>\u8fd9\u5f20\u56fe\u53ef\u4ee5\u5206\u4e3a\u5de6\u53f3\u4e24\u5927\u90e8\u5206\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5de6\u4fa7 - Backbone\uff08\u4e3b\u5e72\u7f51\u7edc\uff1aVGG16\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u5c31\u50cf\u662f\u8d5b\u8f66\u7684<strong>\u5f15\u64ce\u672c\u4f53<\/strong>\u3002\u5b83\u7684\u4efb\u52a1\u662f\u63a5\u6536\u8f93\u5165\u56fe\u50cf\uff08300x300\u7684\u732b\u56fe\uff09\uff0c\u7136\u540e<strong>\u9010\u5c42\u63d0\u53d6\u7279\u5f81<\/strong>\u3002<\/li>\n\n\n\n<li>\u5b83\u4f1a\u4ea7\u751f\u591a\u4e2a\u4e0d\u540c\u5c3a\u5bf8\u7684\u7279\u5f81\u56fe\uff0c\u56fe\u4e2d\u6807\u6ce8\u4e86<code>Conv4_3 (38x38)<\/code>\u548c<code>Conv7_fc (19x19)<\/code>\u3002\u8fd9\u4e9b\u7279\u5f81\u56fe\u5c31\u50cf\u5f15\u64ce\u5728\u4e0d\u540c\u8f6c\u901f\u4e0b\u4ea7\u751f\u7684\u4e0d\u540c\u52a8\u529b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u53f3\u4fa7 - Neck &amp; Head\uff08 neck\u5c31\u662fExtra Layers\uff0c\u5934\u90e8\u662fDetection Layers\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u90e8\u5206\u662f<strong>\u8fdb\u6c14\u9053\u548c\u6da1\u8f6e\u589e\u538b\u7cfb\u7edf<\/strong>\uff08Neck\uff09\uff0c\u4ee5\u53ca\u6700\u540e\u7684<strong>\u52a8\u529b\u8f93\u51fa\u8f74<\/strong>\uff08Head\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5173\u952e\u64cd\u4f5c<\/strong>\uff1a\u7814\u7a76\u4eba\u5458<strong>\u628aSSD\u539f\u672c\u8fd9\u91cc\u7684\u4e00\u4e9b\u666e\u901a\u5377\u79ef\u5c42\uff0c\u66ff\u6362\u6210\u4e86\u4ed6\u4eec\u81ea\u7814\u7684RFB\u6a21\u5757<\/strong>\uff08\u56fe\u4e2d\u6807\u51fa\u7684RFB-s\u548cRFB\uff09\u3002<\/li>\n\n\n\n<li><strong>\u4e3a\u4ec0\u4e48\u8fd9\u91cc\u5f88\u91cd\u8981\uff1f<\/strong>\uff1a\u76ee\u6807\u68c0\u6d4b\u9700\u8981\u68c0\u6d4b\u4e0d\u540c\u5927\u5c0f\u7684\u7269\u4f53\u3002Neck\u90e8\u5206\u7684\u4e0d\u540c\u5c42\u8d1f\u8d23\u5904\u7406\u4e0d\u540c\u5c3a\u5ea6\u7684\u7279\u5f81\uff0838x38\u8d1f\u8d23\u5c0f\u76ee\u6807\uff0c19x19\u8d1f\u8d23\u4e2d\u7b49\u76ee\u6807\uff0c10x10\u548c5x5\u8d1f\u8d23\u5927\u76ee\u6807\uff09\u3002\u5728\u6bcf\u4e00\u5c42\u90fd\u6362\u4e0a\u89c6\u91ce\u66f4\u7075\u6d3b\u7684RFB\u6a21\u5757\uff0c\u5c31\u80fd\u8ba9\u6bcf\u4e00\u5c42\u90fd\u66f4\u597d\u5730\u5904\u7406\u5bf9\u5e94\u5c3a\u5ea6\u7684\u76ee\u6807\u3002<\/li>\n\n\n\n<li>\u7ecf\u8fc7RFB\u6a21\u5757\u589e\u5f3a\u540e\u7684\u7279\u5f81\uff0c\u6700\u540e\u9001\u5230<code>Detection Layers<\/code>\uff08\u68c0\u6d4b\u5c42\uff09\u53bb\u76f4\u63a5\u9884\u6d4b\u7269\u4f53\u7684\u7c7b\u522b\u548c\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>\u7b80\u5355\u603b\u7ed3\u7b2c2\u5f20\u56fe\uff1aRFBNet\u5c31\u662f\u628aSSD\u7f51\u7edc\u4e2d\u7528\u4e8e\u591a\u5c3a\u5ea6\u9884\u6d4b\u7684\u5173\u952e\u90e8\u5206\uff08Neck\uff09\uff0c\u5168\u90e8\u6362\u6210\u4e86\u6027\u80fd\u66f4\u5f3a\u7684RFB\u6a21\u5757\uff0c\u4ece\u800c\u5168\u9762\u63d0\u5347\u4e86\u5bf9\u5404\u79cd\u5927\u5c0f\u76ee\u6807\u7684\u68c0\u6d4b\u80fd\u529b\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u2705 \u603b\u7ed3\u7ed9\u4f60\uff08\u5c0f\u767d\u53cb\u597d\u7248\uff09<\/p>\n<\/blockquote>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>SSD<\/strong>\uff1a\u4e00\u4e2a\u5f88\u597d\u7684\u76ee\u6807\u68c0\u6d4b\u6a21\u578b\uff0c\u4f46\u8fd8\u6709\u63d0\u5347\u7a7a\u95f4\u3002<\/li>\n\n\n\n<li><strong>RFB\u6a21\u5757<\/strong>\uff1a\u7814\u7a76\u4eba\u5458\u53d1\u660e\u7684\u4e00\u4e2a\u65b0\u90e8\u4ef6\u3002\u5b83\u7684\u7279\u70b9\u662f**\u201c\u591a\u773c\u770b\u4e16\u754c\u201d**\uff08\u591a\u5206\u652f\uff09\uff0c\u80fd\u540c\u65f6\u6355\u6349\u7ec6\u8282\u548c\u8f6e\u5ed3\uff0c\u8ba9\u7f51\u7edc\u201c\u770b\u201d\u5f97\u66f4\u51c6\u3002<\/li>\n\n\n\n<li><strong>RFBNet<\/strong>\uff1a\u628aSSD\u6a21\u578b\u91cc\u7684\u51e0\u4e2a\u666e\u901a\u90e8\u4ef6<strong>\u62c6\u6389<\/strong>\uff0c<strong>\u6362\u4e0a\u65b0\u53d1\u660e\u7684RFB\u90e8\u4ef6<\/strong>\u3002\u7ec4\u88c5\u5b8c\u6210\u540e\uff0c\u65b0\u6a21\u578b\u6027\u80fd\u5927\u5e45\u63d0\u5347\uff0c\u8fd9\u5c31\u662f\u4e00\u6b21\u6210\u529f\u7684\u6a21\u578b\u4f18\u5316\u3002<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u597d\u6ef4\u54b1\u4eec\u7ee7\u7eed<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u5c31\u8ba9\u6211\u4eec\u8f83\u4e3a\u8be6\u7ec6\u5730\u6765\u63a2\u8ba8\u6bcf\u4e00\u90e8\u5206\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">1.Backbone\uff1a\u76ee\u6807\u68c0\u6d4b\u7f51\u7edc\u7684\u4e3b\u4f53\u7ed3\u6784<\/h1>\n\n\n\n<p>\u901a\u5e38\uff0c\u4e3a\u4e86\u5b9e\u73b0\u4ece\u56fe\u50cf\u4e2d\u68c0\u6d4b\u76ee\u6807\u7684\u4f4d\u7f6e\u548c\u7c7b\u522b\uff0c\u6211\u4eec\u4f1a\u5148\u4ece\u56fe\u50cf\u4e2d\u63d0\u53d6\u51fa\u4e9b\u5fc5\u8981\u7684\u7279\u5f81\u4fe1\u606f\uff0c\u6bd4\u5982HOG\u7279\u5f81\uff0c\u7136\u540e\u5229\u7528\u8fd9\u4e9b\u7279\u5f81\u53bb\u5b9e\u73b0\u5b9a\u4f4d\u548c\u5206\u7c7b\u3002<strong>\u800c\u5728\u6df1\u5ea6\u5b66\u4e60\u8fd9\u4e00\u5757\uff0c\u8fd9\u4e00\u4efb\u52a1\u5c31\u4ea4\u7531backbone\u7f51\u7edc\u6765\u5b8c\u6210\u3002\u6df1\u5ea6\u5b66\u4e60\u7684\u5f3a\u5927\u4e4b\u5904\u5c31\u5728\u4e8e\u5176\u7279\u5f81\u63d0\u53d6\u7684\u80fd\u529b\uff0c\u5728\u5f88\u591a\u4efb\u52a1\u4e0a\u90fd\u8d85\u8d8a\u4e86\u4eba\u5de5\u7279\u5f81\u3002<\/strong><\/p>\n\n\n\n<p>\u5f53\u7136\uff0c\u8fd9\u91cc\u63d0\u51fa\u7684\u662f\u4ec0\u4e48\u6837\u7684\u7279\u5f81\uff0c\u6211\u4eec\u662f\u65e0\u4ece\u5f97\u77e5\u7684\uff0c\u6bd5\u7adf\u6df1\u5ea6\u5b66\u4e60\u7684\u201c\u9ed1\u76d2\u5b50\u201d\u7279\u6027\u81f3\u4eca\u8fd8\u65e0\u6cd5\u771f\u6b63\u5c06\u5176\u9762\u7eb1\u63ed\u5f00\u3002<\/p>\n\n\n\n<p>\u4ece\u67d0\u79cd\u610f\u4e49\u4e0a\u6765\u8bf4\uff0c\u5982\u4f55\u8bbe\u8ba1\u597d\u7684backbone\uff0c\u66f4\u597d\u5730\u4ece\u56fe\u50cf\u4e2d\u63d0\u53d6\u4fe1\u606f\uff0c\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u56e0\u4e3a\u7279\u5f81\u63d0\u53d6\u4e0d\u597d\uff0c\u81ea\u7136\u4f1a\u5f71\u54cd\u5230\u540e\u7eed\u7684\u5b9a\u4f4d\u68c0\u6d4b\u3002<\/p>\n\n\n\n<p>\u65e9\u5728\u76ee\u6807\u68c0\u6d4b\u4efb\u52a1\u4e4b\u524d\uff0c\u6df1\u5ea6\u5b66\u4e60\u6280\u672f\u5c31\u5df2\u7ecf\u5728\u56fe\u50cf\u5206\u7c7b\u9886\u57df\u4e2d\u53d1\u6325\u4e86\u91cd\u5927\u7684\u4f5c\u7528\uff0c\u5927\u529b\u4fc3\u8fdb\u4e86\u8fd9\u4e00\u9886\u57df\u7684\u53d1\u5c55\uff0c\u5c24\u5176\u662f\u5728ResNet\u7cfb\u5217\u7684\u5de5\u4f5c\u95ee\u4e16\u540e\uff0c\u56fe\u50cf\u5206\u7c7b\u4efb\u52a1\u51e0\u4e4e\u8fbe\u5230\u4e86\u4e00\u4e2a\u9876\u5cf0\u2014\u2014\u4eceImageNet\u6bd4\u8d5b\u4e0d\u518d\u4e3e\u529e\u8fd9\u4e00\u70b9\u5c31\u53ef\u4ee5\u7aa5\u89c1\u4e00\u6591\u3002\u867d\u7136\u540e\u7eed\u8fd9\u4e2a\u9886\u57df\u8fd8\u5728\u9646\u9646\u7eed\u7eed\u5730\u51fa\u73b0\u4e9b\u65b0\u5de5\u4f5c\uff08\u5982GhostNet\u3001ShuffleNet\u3001ResNet\u5404\u79cd\u5347\u7ea7\u7248\u672c\u3001EfficientNet\u5bb6\u65cf\u7b49\uff09\u3001\u63d0\u4f9b\u4e86\u5f88\u591a\u65b0\u7684idea\uff0c\u4e0d\u8fc7\u57fa\u672c\u4e0a\u5df2\u7ecf\u4e0d\u518d\u662f\u5f53\u5e74\u90a3\u79cd\u767e\u82b1\u9f50\u653e\u7684\u76db\u51b5\u4e86\u3002<\/p>\n\n\n\n<p>\u6df1\u5ea6\u5b66\u4e60\u6280\u672f\u80fd\u591f\u8fd9\u4e48\u51fa\u8272\u5730\u5b8c\u6210\u56fe\u50cf\u5206\u7c7b\u4efb\u52a1\uff0c\u57fa\u672c\u4e0a\u4e5f\u5c31\u8868\u660e\u4e86\u6df1\u5ea6\u5b66\u4e60\u6280\u672f\u786e\u5b9e\u5728\u56fe\u50cf\u7279\u5f81\u63d0\u53d6\u8fd9\u4e00\u5757\u6709\u7740\u5341\u5206\u51fa\u8272\u8868\u73b0\u548c\u5de8\u5927\u7684\u6f5c\u529b\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0cBackbone\u8fd9\u4e00\u90e8\u5206\u901a\u5e38\u5c31\u662f\u5c06\u8bf8\u5982VGG\u3001ResNet\u7b49\u6a21\u578b\u642c\u8fc7\u6765\uff08\u53bb\u6389\u6700\u540e\u7684global avgpooling\u548csoftmax\u5c42\uff09\uff0c\u8fd9\u4e00\u90e8\u5206\u7684\u53c2\u6570\u521d\u59cb\u5316\u5c31\u76f4\u63a5\u4f7f\u7528\u5728ImageNet\u4e0a\u8bad\u7ec3\u597d\u7684\u53c2\u6570\u3002\u8fd9\u4e00\u6a21\u5f0f\u4e5f\u5c31\u662f\u540e\u6765\u6240\u8bf4\u7684\u201cImageNet pretrained\u201d\u6982\u5ff5\u3002<\/p>\n\n\n\n<p>\u4e0d\u8fc7\uff0c\u81ea\u4eceKaiming He\u7684\u300aRethinking ImageNet Pre-training\u300b\u53d1\u8868\u4e4b\u540e\uff0c\u8fd9\u4e00\u6982\u5ff5\u4f3c\u4e4e\u4e5f\u5c31\u4e0d\u662f\u5fc5\u8981\u7684\u4e86\u2014\u2014\u4e00\u4e2a\u76ee\u6807\u68c0\u6d4b\u6a21\u578b\u5b8c\u5168\u53ef\u4ee5\u968f\u673a\u521d\u59cb\u5316\u6240\u6709\u7684\u53c2\u6570\uff0c\u5305\u62ecbackbone\u7f51\u7edc\u7684\u53c2\u6570\uff0c\u53ea\u8981\u8bad\u7ec3\u8db3\u591f\u4e45\uff0c\u4e5f\u53ef\u4ee5\u8fbe\u5230\u5f88\u9ad8\u7684\u6027\u80fd\u3002https:\/\/wxa.wxs.qq.com\/tmpl\/oc\/base_tmpl.html<\/p>\n\n\n\n<p>\u5f53\u7136\uff0c\u5f97\u662f\u8bad\u7ec3\u8db3\u591f\u4e45\uff0c\u800c\u4e14\u8981\u7cbe\u5fc3\u8c03\u53c2\uff0c\u6b63\u6240\u8c13\u5929\u4e0b\u6ca1\u6709\u514d\u8d39\u7684\u5348\u9910\uff08\u65e9\u9910\u548c\u665a\u9910\u4e5f\u4e0d\u514d\u8d39\u3002\uff09\uff0c\u65e2\u7136\u8bbe\u8ba1\u4e86\u4e00\u4e2abackbone\uff0c\u4e0d\u60f3\u53bbImageNet\u4e0a\u9884\u8bad\u7ec3\uff0c\u90a3\u5c31\u5f97\u591a\u82b1\u4e9b\u65f6\u95f4\u548c\u7cbe\u529b\u6765\u8bad\u7ec3detector\u4e86~\u56e0\u6b64\uff0c\u76ee\u524dImageNet pretrained\u7684\u601d\u60f3\u4ecd\u65e7\u662f\u4e3b\u6d41\uff0c\u6bd5\u7adf\u53ea\u9700\u8981\u5728ImageNet\u4e0a\u8bad\u7ec3\u4e00\u6b21backbone\uff0c\u5c31\u53ef\u4ee5\u6c38\u4e45\u4f7f\u7528\u4e86~<\/p>\n\n\n\n<p>Backbone\u6052\u4e45\u8fdc\uff0cPretrain\u4e00\u6b21\u6c38\u6d41\u4f20~<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u767d\u8bdd\u4e00\u4e0b<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5173\u952e\u8bcd\/\u6982\u5ff5<\/th><th>\u662f\u4ec0\u4e48\uff1f<\/th><th>\u4f20\u7edf\u8ba4\u77e5\/\u4f5c\u7528<\/th><th>\u5f53\u524d\u89c2\u70b9\/\u65b0\u8ba4\u77e5\uff08\u6765\u81ea\u4f55\u607a\u660e\u7b49\uff09<\/th><\/tr><\/thead><tbody><tr><td><strong>Backbone\uff08\u9aa8\u5e72\u7f51\u7edc\uff09<\/strong><\/td><td>\u76ee\u6807\u68c0\u6d4b\u6a21\u578b\u4e2d\u7684<strong>\u7279\u5f81\u63d0\u53d6\u57fa\u7840\u7f51\u7edc<\/strong>\uff0c\u901a\u5e38\u662f\u6210\u719f\u7684\u5206\u7c7b\u7f51\u7edc\uff08\u5982VGG, ResNet\uff09\u6539\u9020\u800c\u6765\u3002<\/td><td>\u63a5\u6536\u8f93\u5165\u56fe\u50cf\uff0c\u8f93\u51fa\u4f9b\u540e\u7eed\u7f51\u7edc\uff08Neck\u3001Head\uff09\u4f7f\u7528\u7684<strong>\u7279\u5f81\u56fe<\/strong>\uff0c\u5305\u542b\u4e86\u8fb9\u7f18\u3001\u7eb9\u7406\u3001\u5f62\u72b6\u7b49\u4fe1\u606f\u3002<\/td><td>\u4f5c\u7528\u6ca1\u6709\u6539\u53d8\uff0c\u5b83\u4ecd\u7136\u662f\u7279\u5f81\u63d0\u53d6\u7684\u6838\u5fc3\u3002\u4f46\u7814\u7a76\u6307\u51fa\uff0c\u5176\u53c2\u6570<strong>\u4e0d\u4e00\u5b9a\u9700\u8981ImageNet\u9884\u8bad\u7ec3<\/strong>\uff0c\u968f\u673a\u521d\u59cb\u5316\u540e\u5145\u5206\u8bad\u7ec3\u4e5f\u80fd\u8fbe\u5230\u5f88\u597d\u6548\u679c\u3002<\/td><\/tr><tr><td><strong>ImageNet Pre-training<\/strong><\/td><td>\u4e00\u79cd<strong>\u8fc1\u79fb\u5b66\u4e60<\/strong>\u7b56\u7565\uff1a\u5728ImageNet\u5927\u578b\u5206\u7c7b\u6570\u636e\u96c6\u4e0a\u9884\u8bad\u7ec3Backbone\uff0c\u5c06\u5176\u5b66\u5230\u7684\u53c2\u6570\u4f5c\u4e3a\u76ee\u6807\u4efb\u52a1\u521d\u59cb\u6743\u91cd\u3002<\/td><td><strong>\u666e\u904d\u8ba4\u4e3a\u5fc5\u8981<\/strong>\uff1a1. &nbsp;\u63d0\u4f9b\u826f\u597d\u521d\u59cb\u6743\u91cd\uff0c\u52a0\u901f\u6536\u655b\uff1b2. &nbsp;\u63d0\u5347\u6a21\u578b\u5728\u76ee\u6807\u4efb\u52a1\uff08\u5c24\u5176\u662f\u6570\u636e\u5c11\u65f6\uff09\u7684\u6cdb\u5316\u80fd\u529b\u548c\u6700\u7ec8\u7cbe\u5ea6\u3002<\/td><td><strong>\u5e76\u975e\u7edd\u5bf9\u5fc5\u8981<\/strong>\uff1a\u5728\u8db3\u591f\u6570\u636e\uff08\u5982COCO\uff09\u548c\u8ba1\u7b97\u8d44\u6e90\u4e0b\uff0cBackbone<strong>\u968f\u673a\u521d\u59cb\u5316<\/strong>\u5e76<strong>\u5145\u5206\u8bad\u7ec3<\/strong>\uff0c\u6700\u7ec8\u7cbe\u5ea6\u53ef\u5ab2\u7f8eImageNet\u9884\u8bad\u7ec3\u6a21\u578b\u3002<\/td><\/tr><tr><td><strong>\u300aRethinking ImageNet Pre-training\u300b<\/strong><\/td><td>\u4f55\u607a\u660e\u7b49\u4eba\u4e8e2018\u5e74\u53d1\u8868\u7684<strong>\u91cd\u78c5\u8bba\u6587<\/strong>\uff0c\u5bf9ImageNet\u9884\u8bad\u7ec3\u7684\u5fc5\u8981\u6027\u63d0\u51fa\u4e86\u6311\u6218\u3002<\/td><td>-<\/td><td>\u6307\u51faImageNet\u9884\u8bad\u7ec3\u7684\u4e3b\u8981\u4f18\u52bf\u662f<strong>\u52a0\u901f\u8bad\u7ec3\u521d\u671f\u6536\u655b<\/strong>\uff0c\u4f46<strong>\u4e0d\u4e00\u5b9a\u80fd\u63d0\u9ad8\u6700\u7ec8\u7cbe\u5ea6<\/strong>\u6216\u63d0\u4f9b\u6b63\u5219\u5316\u9632\u6b62\u8fc7\u62df\u5408\u3002<\/td><\/tr><tr><td><strong>\u968f\u673a\u521d\u59cb\u5316 (Random Initialization)<\/strong><\/td><td>\u6240\u6709\u7f51\u7edc\u53c2\u6570\uff08\u5305\u62ecBackbone\uff09\u4f7f\u7528\u968f\u673a\u503c\u521d\u59cb\u5316\uff0c<strong>\u4e0d\u52a0\u8f7d\u4efb\u4f55\u9884\u8bad\u7ec3\u6743\u91cd<\/strong>\u3002<\/td><td>\u4f20\u7edf\u8ba4\u4e3a\u8fd9\u4f1a\u5bfc\u81f4\u6536\u655b\u6162\u3001\u6027\u80fd\u5dee\uff0c\u5c24\u5176Backbone\u6df1\u65f6\u96be\u4ee5\u8bad\u7ec3\u3002<\/td><td>\u8bba\u6587\u8868\u660e\uff0c\u914d\u5408<strong>\u5408\u9002\u7684\u8bad\u7ec3\u6280\u5de7<\/strong>\uff08\u5982Group Normalization, SyncBN\uff09\u548c<strong>\u66f4\u957f\u7684\u8bad\u7ec3\u65f6\u95f4<\/strong>\uff0c\u968f\u673a\u521d\u59cb\u5316\u4e5f\u80fd\u8fbe\u5230\u5f88\u9ad8\u6027\u80fd\u3002<\/td><\/tr><tr><td><strong>\u201c\u8bad\u7ec3\u8db3\u591f\u4e45\u201d<\/strong><\/td><td>\u6307\u968f\u673a\u521d\u59cb\u5316\u6a21\u578b\u9700\u8981<strong>\u66f4\u591a\u8fed\u4ee3\u6b21\u6570<\/strong>\u548c<strong>\u8ba1\u7b97\u8d44\u6e90<\/strong>\u8fdb\u884c\u8bad\u7ec3\u3002<\/td><td>-<\/td><td>\u8fd9\u662f\u4e0d\u7528ImageNet\u9884\u8bad\u7ec3\u7684\u201c\u4ee3\u4ef7\u201d\uff1a\u9700\u8981\u4ed8\u51fa\u66f4\u591a\u8bad\u7ec3\u65f6\u95f4\u548c\u8ba1\u7b97\u6210\u672c\u6765\u5b66\u4e60\u7279\u5f81\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83e\udde0&nbsp;<strong>\u6df1\u5165\u7406\u89e3Backbone<\/strong>Backbone\u7684\u4f5c\u7528\u662f\u4ece\u539f\u59cb\u56fe\u50cf\u4e2d<strong>\u9010\u5c42\u63d0\u53d6\u4ece\u4f4e\u7ea7\u5230\u9ad8\u7ea7\u7684\u7279\u5f81<\/strong>\uff08\u5982\u8fb9\u7f18\u2192\u7eb9\u7406\u2192\u90e8\u4ef6\u2192\u7269\u4f53\uff09\u3002\u5e38\u89c1Backbone\u5982<strong>VGG<\/strong>\u3001<strong>ResNet<\/strong>\u3001<strong>MobileNet<\/strong>\u7b49\uff0c\u5b83\u4eec\u5728\u8bbe\u8ba1\u4e0a\u5404\u6709\u7279\u70b9\uff0c\u4f8b\u5982ResNet\u901a\u8fc7\u6b8b\u5dee\u8fde\u63a5\u7f13\u89e3\u4e86\u6df1\u5c42\u7f51\u7edc\u7684\u68af\u5ea6\u6d88\u5931\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\ud83d\udd0d&nbsp;<strong>ImageNet\u9884\u8bad\u7ec3\u7684\u4f20\u7edf\u4f18\u52bf\u4e0e\u4e89\u8bae<\/strong>ImageNet\u9884\u8bad\u7ec3\u7684\u6838\u5fc3\u601d\u60f3\u662f<strong>\u8fc1\u79fb\u5b66\u4e60<\/strong>\uff1a\u5e0c\u671bBackbone\u5728ImageNet\u4e0a\u5b66\u5230\u7684\u901a\u7528\u89c6\u89c9\u8868\u5f81\uff08\u5982\u8bc6\u522b\u8fb9\u7f18\u3001\u7eb9\u7406\u3001\u5e38\u89c1\u7269\u4f53\uff09\u80fd\u6709\u52a9\u4e8e\u65b0\u7684\u89c6\u89c9\u4efb\u52a1\u3002\u8fd9\u5728<strong>\u76ee\u6807\u6570\u636e\u96c6\u8f83\u5c0f<\/strong>\u65f6\u5c24\u4e3a\u91cd\u8981\uff0c\u80fd\u964d\u4f4e\u8fc7\u62df\u5408\u98ce\u9669\u3002 \u7136\u800c\uff0c\u4f55\u607a\u660e\u7b49\u4eba\u7684\u7814\u7a76\u6307\u51fa\uff0cImageNet\u9884\u8bad\u7ec3\u7684\u4e3b\u8981\u4f18\u52bf\u5728\u4e8e<strong>\u5927\u5e45\u7f29\u77ed\u6a21\u578b\u8bad\u7ec3\u521d\u671f\u7684\u6536\u655b\u65f6\u95f4<\/strong>\uff0c\u56e0\u4e3a\u6a21\u578b\u65e0\u9700\u4ece\u96f6\u5f00\u59cb\u5b66\u4e60\u4f4e\u7ea7\u7279\u5f81\u3002\u4f46\u5bf9\u4e8e<strong>\u6700\u7ec8\u7cbe\u5ea6<\/strong>\uff0c\u53ea\u8981\u8bad\u7ec3\u8fed\u4ee3\u8db3\u591f\uff0c\u968f\u673a\u521d\u59cb\u5316\u4e5f\u80fd\u8fbe\u5230\u540c\u6837\u6c34\u5e73\u3002\u6b64\u5916\uff0c\u5bf9\u4e8e<strong>\u5b9a\u4f4d\u7cbe\u5ea6\u8981\u6c42\u6781\u9ad8<\/strong>\u7684\u4efb\u52a1\uff08\u5982\u5173\u952e\u70b9\u68c0\u6d4b\uff09\uff0cImageNet\u9884\u8bad\u7ec3\u7684\u5e2e\u52a9\u53ef\u80fd\u66f4\u6709\u9650\u3002<\/p>\n\n\n\n<p>\u2696\ufe0f&nbsp;<strong>\u4e3a\u4f55\u9884\u8bad\u7ec3\u4ecd\u662f\u4e3b\u6d41<\/strong>\u5c3d\u7ba1\u201c<strong>\u4ece\u5934\u8bad\u7ec3<\/strong>\u201d\uff08Train from Scratch\uff09\u5728\u7406\u8bba\u4e0a\u662f\u53ef\u884c\u7684\uff0c\u4f46\u5728\u5b9e\u8df5\u4e2d\uff0cImageNet\u9884\u8bad\u7ec3\u4f9d\u7136\u662f<strong>\u66f4\u5b9e\u7528\u3001\u66f4\u7ecf\u6d4e<\/strong>\u7684\u9009\u62e9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8ba1\u7b97\u6210\u672c\u4e0e\u65f6\u95f4<\/strong>\uff1a\u4ece\u5934\u8bad\u7ec3\u4e00\u4e2aBackbone\u9700\u8981\u5de8\u5927\u7684\u8ba1\u7b97\u8d44\u6e90\u548c\u65f6\u95f4\u3002\u5bf9\u5927\u591a\u6570\u7814\u7a76\u8005\u3001\u5f00\u53d1\u8005\u548c\u4f01\u4e1a\u800c\u8a00\uff0c\u76f4\u63a5\u4f7f\u7528\u9884\u8bad\u7ec3\u6a21\u578b\u80fd<strong>\u663e\u8457\u964d\u4f4e\u5f00\u53d1\u95e8\u69db\u548c\u6210\u672c<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u6570\u636e\u4f9d\u8d56<\/strong>\uff1a\u5982\u679c\u76ee\u6807\u4efb\u52a1\u7684\u6570\u636e\u96c6\u975e\u5e38\u5c0f\uff0c\u9884\u8bad\u7ec3\u6a21\u578b\u63d0\u4f9b\u7684\u826f\u597d\u8d77\u70b9\u4ecd\u7136\u662f\u5b9d\u8d35\u7684\u3002<\/li>\n\n\n\n<li><strong>\u5b9e\u8df5\u60ef\u6027<\/strong>\uff1a\u9884\u8bad\u7ec3\u6a21\u578b\u63d0\u4f9b\u4e86\u7a33\u5b9a\u53ef\u9760\u7684\u57fa\u7ebf\uff0c\u4fbf\u4e8e\u5feb\u901f\u8fed\u4ee3\u548c\u5b9e\u9a8c\u3002<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udca1&nbsp;<strong>\u7ed9\u4f60\u7684\u542f\u793a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7406\u89e3\u6982\u5ff5<\/strong>\uff1a\u8981\u660e\u767dBackbone\u662f\u7279\u5f81\u63d0\u53d6\u5668\uff0cImageNet\u9884\u8bad\u7ec3\u662f\u4e00\u79cd\u4e3a\u5176\u63d0\u4f9b\u521d\u59cb\u6743\u91cd\u7684\u7b56\u7565\u3002<\/li>\n\n\n\n<li><strong>\u77e5\u5176\u6240\u4ee5\u7136<\/strong>\uff1a\u4f55\u607a\u660e\u7684\u5de5\u4f5c\u63ed\u793a\u4e86\u9884\u8bad\u7ec3\u7684\u771f\u6b63\u4ef7\u503c\u4e3b\u8981\u662f<strong>\u52a0\u901f\u6536\u655b<\/strong>\uff0c\u800c\u975e\u4e0d\u53ef\u66ff\u4ee3\u3002<\/li>\n\n\n\n<li><strong>\u5b9e\u8df5\u9009\u62e9<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u82e5\u4f60<strong>\u8ba1\u7b97\u8d44\u6e90\u5145\u8db3\u3001\u4e0d\u4ecb\u610f\u8bad\u7ec3\u65f6\u95f4<\/strong>\uff0c\u4e14\u8ffd\u6c42<strong>\u6781\u81f4\u6027\u80fd<\/strong>\uff08\u6216\u5728\u67d0\u4e9b\u7279\u5b9a\u9886\u57df\uff09\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u6df1\u5165\u7814\u7a76\u201c\u4ece\u5934\u8bad\u7ec3\u201d\u3002<\/li>\n\n\n\n<li>\u5bf9\u4e8e<strong>\u5927\u591a\u6570\u5e38\u89c1\u4efb\u52a1\u548c\u5b9e\u9645\u5e94\u7528<\/strong>\uff0c\u4eceImageNet\u9884\u8bad\u7ec3\u7684Backbone\u5f00\u59cb\u8fdb\u884c<strong>\u5fae\u8c03\uff08Fine-tuning\uff09<\/strong>\uff0c\u4f9d\u7136\u662f<strong>\u9ad8\u6548\u3001\u53ef\u9760\u4e14\u4e3b\u6d41<\/strong>\u7684\u505a\u6cd5\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684Backbone\u6a21\u578b\u3002Backbone\uff08\u9aa8\u5e72\u7f51\u7edc\uff09\u662f\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u7684\u6838\u5fc3\u7279\u5f81\u63d0\u53d6\u90e8\u5206\uff0c\u5b83\u7684\u9009\u62e9\u76f4\u63a5\u5f71\u54cd\u6a21\u578b\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u6211\u7528\u4e00\u4e2a\u8868\u683c\u5e2e\u4f60\u5feb\u901f\u68b3\u7406\u8fd9\u4e9b\u5e38\u89c1\u7684Backbone\u7f51\u7edc\uff0c\u65b9\u4fbf\u4f60\u5bf9\u6bd4\u548c\u67e5\u9605\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6a21\u578b\u540d\u79f0<\/th><th>\u6838\u5fc3\u521b\u65b0\/\u7279\u70b9<\/th><th>\u5e38\u89c1\u53d8\u4f53<\/th><th>\u5178\u578b\u5e94\u7528\u573a\u666f<\/th><\/tr><\/thead><tbody><tr><td><strong>VGG<\/strong><\/td><td><strong>\u7ed3\u6784\u7b80\u6d01\u7edf\u4e00<\/strong>\uff0c\u5168\u90e8\u4f7f\u7528<strong>\u5806\u53e0\u76843x3\u5c0f\u5377\u79ef\u6838<\/strong>\u6765\u589e\u52a0\u6df1\u5ea6\uff0c\u8bc1\u660e\u4e86<strong>\u7f51\u7edc\u6df1\u5ea6<\/strong>\u5bf9\u6027\u80fd\u7684\u91cd\u8981\u6027\u3002<\/td><td>VGG-16, VGG-19<\/td><td>\u56fe\u50cf\u5206\u7c7b\u3001\u76ee\u6807\u68c0\u6d4b\uff08\u5982Faster R-CNN\u7684Backbone\uff09\u3001\u98ce\u683c\u8fc1\u79fb<\/td><\/tr><tr><td><strong>ResNet<\/strong><\/td><td>\u5f15\u5165<strong>\u6b8b\u5dee\u8fde\u63a5\uff08\u8df3\u8dc3\u8fde\u63a5\uff09<\/strong>\uff0c\u89e3\u51b3\u4e86\u6781\u6df1\u7f51\u7edc\u7684<strong>\u68af\u5ea6\u6d88\u5931\u548c\u9000\u5316\u95ee\u9898<\/strong>\uff0c\u4f7f\u5f97\u8bad\u7ec3\u6210\u767e\u4e0a\u5343\u5c42\u7684\u7f51\u7edc\u6210\u4e3a\u53ef\u80fd\u3002<\/td><td>ResNet-18,&nbsp;<strong>ResNet-50<\/strong>,&nbsp;<strong>ResNet-101<\/strong><\/td><td>\u56fe\u50cf\u5206\u7c7b\u3001\u76ee\u6807\u68c0\u6d4b\u3001\u8bed\u4e49\u5206\u5272\u7b49\u51e0\u4e4e\u6240\u6709\u89c6\u89c9\u4efb\u52a1\u7684\u57fa\u7840Backbone<\/td><\/tr><tr><td><strong>ResNeXT<\/strong><\/td><td>\u5728ResNet\u57fa\u7840\u4e0a\u5f15\u5165**\u201c\u57fa\u6570\u201d\uff08Cardinality\uff09<strong>\u6982\u5ff5\uff0c\u91c7\u7528<\/strong>\u5206\u7ec4\u5377\u79ef**\uff0c<strong>\u5728\u4e0d\u663e\u8457\u589e\u52a0\u53c2\u6570\u91cf\u7684\u60c5\u51b5\u4e0b\u63d0\u5347\u6a21\u578b\u8868\u8fbe\u80fd\u529b<\/strong>\u3002<\/td><td>ResNeXt-50, ResNeXt-101<\/td><td>\u56fe\u50cf\u5206\u7c7b\u7b49\u9700\u8981\u9ad8\u7cbe\u5ea6\u7684\u4efb\u52a1\uff0c\u5e38\u7528\u4e8e\u5237\u699c<\/td><\/tr><tr><td><strong>ResNet+DCN<\/strong><\/td><td>\u5728ResNet\u4e2d\u5f15\u5165<strong>\u53ef\u53d8\u5f62\u5377\u79ef\uff08DCN\uff09<\/strong>\uff0c\u4f7f\u5377\u79ef\u6838\u80fd<strong>\u81ea\u9002\u5e94\u5730\u5b66\u4e60\u91c7\u6837\u4f4d\u7f6e<\/strong>\uff0c\u66f4\u597d\u5730\u5904\u7406<strong>\u51e0\u4f55\u5f62\u53d8<\/strong>\u7684\u5bf9\u8c61\u3002<\/td><td>ResNet-50-DCN, ResNet-101-DCN<\/td><td>\u76ee\u6807\u68c0\u6d4b\u3001\u5b9e\u4f8b\u5206\u5272\uff08\u7279\u522b\u662f\u5904\u7406\u975e\u521a\u6027\u7269\u4f53\uff09\uff0c<strong>\u201c\u6da8\u70b9\u795e\u5668\u201d<\/strong><\/td><\/tr><tr><td><strong>DarkNet<\/strong><\/td><td><strong>\u7ed3\u6784\u7b80\u6d01<\/strong>\uff0c\u4e13\u6ce8\u4e8e<strong>\u6548\u7387\u4e0e\u901f\u5ea6\u7684\u5e73\u8861<\/strong>\u3002DarkNet-53\u501f\u9274\u4e86ResNet\u7684<strong>\u6b8b\u5dee\u8fde\u63a5<\/strong>\u601d\u60f3\u3002<\/td><td><strong>Darknet-53<\/strong>\uff08\u7528\u4e8eYOLOv3\uff09, Darknet-19<\/td><td><strong>YOLO\u7cfb\u5217<\/strong>\u76ee\u6807\u68c0\u6d4b\u7b97\u6cd5\u7684\u9ed8\u8ba4Backbone<\/td><\/tr><tr><td><strong>CSPNet<\/strong><\/td><td>\u901a\u8fc7<strong>\u8de8\u9636\u6bb5\u5c40\u90e8\u7f51\u7edc<\/strong>\u7ed3\u6784\uff0c<strong>\u4f18\u5316\u68af\u5ea6\u6d41\u52a8<\/strong>\uff0c<strong>\u51cf\u5c11\u8ba1\u7b97\u91cf<\/strong>\u7684\u540c\u65f6<strong>\u63d0\u5347\u5b66\u4e60\u80fd\u529b<\/strong>\u3002<\/td><td>CSPResNet, CSPDarknet<\/td><td>\u76ee\u6807\u68c0\u6d4b\uff08\u5982YOLOv4\u53ca\u5176\u53d8\u4f53\uff09<\/td><\/tr><tr><td><strong>MobileNet<\/strong><\/td><td>\u4e13\u6ce8\u4e8e<strong>\u79fb\u52a8\u7aef\u548c\u5d4c\u5165\u5f0f\u8bbe\u5907<\/strong>\u7684<strong>\u8f7b\u91cf\u7ea7\u7f51\u7edc<\/strong>\uff0c\u4f7f\u7528<strong>\u6df1\u5ea6\u53ef\u5206\u79bb\u5377\u79ef<\/strong>\u5927\u5e45<strong>\u51cf\u5c11\u8ba1\u7b97\u91cf\u548c\u53c2\u6570\u91cf<\/strong>\u3002<\/td><td>MobileNet v1\/v2\/v3<\/td><td>\u624b\u673a\u3001\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e0a\u7684\u5b9e\u65f6\u56fe\u50cf\u5206\u7c7b\u3001\u76ee\u6807\u68c0\u6d4b\u3001\u4eba\u8138\u8bc6\u522b\u7b49<\/td><\/tr><tr><td><strong>ShuffleNet<\/strong><\/td><td>\u4e13\u4e3a<strong>\u6781\u4f4e\u8ba1\u7b97\u80fd\u529b\u8bbe\u5907<\/strong>\u8bbe\u8ba1\uff0c\u4f7f\u7528<strong>\u901a\u9053\u6df7\u6d17<\/strong>\u548c<strong>\u5206\u7ec4\u5377\u79ef<\/strong>\uff0c\u5728\u4fdd\u6301\u7cbe\u5ea6\u7684\u540c\u65f6<strong>\u5927\u5e45\u52a0\u901f<\/strong>\u3002<\/td><td>ShuffleNet v1\/v2<\/td><td>\u79fb\u52a8\u7aef\u5b9e\u65f6\u89c6\u89c9\u5e94\u7528\uff08\u5bf9\u7b97\u529b\u3001\u529f\u8017\u8981\u6c42\u82db\u523b\u7684\u573a\u666f\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83e\udde0&nbsp;<strong>\u5982\u4f55\u9009\u62e9Backbone\uff1f<\/strong><\/p>\n\n\n\n<p>\u9009\u62e9Backbone\u5c31\u50cf<strong>\u7ed9\u4efb\u52a1\u6311\u9009\u5408\u9002\u7684\u201c\u53d1\u52a8\u673a\u201d<\/strong>\uff0c\u6ca1\u6709\u7edd\u5bf9\u7684\u6700\u597d\uff0c\u53ea\u6709\u6700\u5408\u9002\u3002\u4f60\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8003\u8651\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4efb\u52a1\u9700\u6c42\u4e0e\u6027\u80fd\u74f6\u9888<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8ffd\u6c42<strong>\u9ad8\u7cbe\u5ea6<\/strong>\uff08\u5982\u5b66\u672f\u7814\u7a76\u3001\u5237\u699c\uff09\uff1a\u4f18\u5148\u8003\u8651\u00a0<strong>ResNet101<\/strong>\u3001<strong>ResNeXt<\/strong>\u3001<strong>ResNet-DCN<\/strong>\u3002<\/li>\n\n\n\n<li>\u8ffd\u6c42<strong>\u901f\u5ea6\u4e0e\u7cbe\u5ea6\u5e73\u8861<\/strong>\uff08\u5982\u4e00\u822c\u76ee\u6807\u68c0\u6d4b\uff09\uff1a<strong>ResNet50<\/strong>\u3001<strong>CSPResNet<\/strong>\u00a0\u662f\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/li>\n\n\n\n<li>\u8ffd\u6c42<strong>\u6781\u81f4\u901f\u5ea6<\/strong>\uff08\u5982\u5b9e\u65f6\u89c6\u9891\u5904\u7406\u3001\u5d4c\u5165\u5f0f\u8bbe\u5907\uff09\uff1a<strong>MobileNet<\/strong>\u3001<strong>ShuffleNet<\/strong>\u00a0\u7b49\u8f7b\u91cf\u7ea7\u7f51\u7edc\u662f\u9996\u9009\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u786c\u4ef6\u8d44\u6e90<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u8ba1\u7b97\u8d44\u6e90\u5145\u8db3<\/strong>\uff08\u670d\u52a1\u5668\u3001\u9ad8\u7aefGPU\uff09\uff1a\u53ef\u4ee5\u9009\u7528\u66f4\u6df1\u3001\u66f4\u590d\u6742\u7684\u6a21\u578b\uff0c\u5982 ResNet101\u3001ResNeXt\u3002<\/li>\n\n\n\n<li><strong>\u8ba1\u7b97\u8d44\u6e90\u6709\u9650<\/strong>\uff08\u79fb\u52a8\u7aef\u3001\u8fb9\u7f18\u8bbe\u5907\uff09\uff1a\u9009\u62e9\u8f7b\u91cf\u7ea7\u7f51\u7edc\uff0c\u5982 MobileNet\u3001ShuffleNet\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u9879\u76ee\u9636\u6bb5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u5feb\u901f\u539f\u578b\u9a8c\u8bc1<\/strong>\uff1a\u4ece\u00a0<strong>ResNet50<\/strong>\u00a0\u6216\u00a0<strong>VGG16<\/strong>\u00a0\u5f00\u59cb\uff0c\u56e0\u4e3a\u5b83\u4eec\u7ed3\u6784\u7ecf\u5178\uff0c\u9884\u8bad\u7ec3\u6a21\u578b\u4e30\u5bcc\uff0c\u5bb9\u6613\u590d\u73b0\u548c\u8c03\u8bd5\u3002<\/li>\n\n\n\n<li><strong>\u6027\u80fd\u4f18\u5316\u4e0e\u90e8\u7f72<\/strong>\uff1a\u8003\u8651\u00a0<strong>CSPNet<\/strong>\uff08\u51cf\u5c11\u8ba1\u7b97\u91cf\uff09\u3001<strong>MobileNet\/ShuffleNet<\/strong>\uff08\u79fb\u52a8\u7aef\u90e8\u7f72\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u9886\u57df\u7279\u6027<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4efb\u52a1\u4e2d\u6d89\u53ca\u5927\u91cf<strong>\u975e\u521a\u6027\u7269\u4f53<\/strong>\u6216<strong>\u590d\u6742\u51e0\u4f55\u53d8\u5f62<\/strong>\u65f6\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u00a0<strong>DCN<\/strong>\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u00a0<strong>YOLO<\/strong>\u00a0\u7cfb\u5217\u505a\u76ee\u6807\u68c0\u6d4b\u65f6\uff0c\u53ef\u4ee5\u4f18\u5148\u4e86\u89e3\u5176\u914d\u5957\u7684\u00a0<strong>Darknet<\/strong>\u00a0\u6216\u00a0<strong>CSPDarknet<\/strong>\u00a0Backbone\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\ud83d\udca1&nbsp;<strong>\u7b80\u5355\u603b\u7ed3\u4e00\u4e0b<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>VGG<\/strong>\uff1a<strong>\u7ed3\u6784\u89c4\u6574\u6613\u61c2<\/strong>\uff0c\u662f\u7406\u89e3CNN\u7684\u7ecf\u5178\u6559\u6750\u3002<\/li>\n\n\n\n<li><strong>ResNet<\/strong>\uff1a<strong>\u6df1\u5ea6\u5b66\u4e60\u4e2d\u7684\u201c\u5e38\u9752\u6811\u201d<\/strong>\uff0c\u901a\u8fc7\u6b8b\u5dee\u8fde\u63a5\u89e3\u51b3\u4e86\u6df1\u5ea6\u7f51\u7edc\u7684\u8bad\u7ec3\u96be\u9898\uff0c\u5e94\u7528\u6781\u5176\u5e7f\u6cdb\u3002<\/li>\n\n\n\n<li><strong>ResNeXt<\/strong>\uff1aResNet\u7684\u5347\u7ea7\u7248\uff0c\u901a\u8fc7<strong>\u5206\u7ec4\u5377\u79ef<\/strong>\u63d0\u5347\u6a21\u578b\u80fd\u529b\uff0c\u5e38\u7528\u6765\u51b2\u51fb\u66f4\u9ad8\u7cbe\u5ea6\u3002<\/li>\n\n\n\n<li><strong>ResNet+DCN<\/strong>\uff1a<strong>\u5904\u7406\u5f62\u53d8\u76ee\u6807\u7684\u201c\u5229\u5668\u201d<\/strong>\uff0c\u4e3a\u5377\u79ef\u64cd\u4f5c\u589e\u52a0\u53ef\u5b66\u4e60\u7684\u81ea\u7531\u5ea6\u3002<\/li>\n\n\n\n<li><strong>DarkNet<\/strong>\uff1a<strong>YOLO\u7cfb\u5217\u7684\u201c\u4e13\u5c5e\u53d1\u52a8\u673a\u201d<\/strong>\uff0c\u4e3a\u76ee\u6807\u68c0\u6d4b\u7684\u5b9e\u65f6\u6027\u800c\u4f18\u5316\u3002<\/li>\n\n\n\n<li><strong>CSPNet<\/strong>\uff1a<strong>\u201c\u51cf\u8d1f\u201d\u53c8\u201c\u589e\u6548\u201d<\/strong>\uff0c\u901a\u8fc7\u4f18\u5316\u7ed3\u6784\u51cf\u5c11\u8ba1\u7b97\u91cf\u5e76\u63d0\u5347\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>MobileNet\/ShuffleNet<\/strong>\uff1a<strong>\u4e13\u4e3a\u79fb\u52a8\u7aef\u800c\u751f<\/strong>\uff0c\u662f\u8f7b\u91cf\u5316\u548c\u9ad8\u6548\u8ba1\u7b97\u7684\u4ee3\u8868\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">2.Neck\uff1a\u66f4\u597d\u5730\u5229\u7528\u7f51\u7edc\u6240\u63d0\u53d6\u7684\u7279\u5f81\u4fe1\u606f<\/h1>\n\n\n\n<p>\u4e0a\u9762\u5df2\u7ecf\u76ee\u6807\u68c0\u6d4b\u6a21\u578b\u4e2d\u7684backbone\u90e8\u5206\uff0c\u5176\u4f5c\u7528\u5f52\u6839\u7ed3\u5e95\u5c31\u662f\u4e00\u53e5\u8bdd\uff1a\u63d0\u53d6\u56fe\u50cf\u4e2d\u6709\u7528\u7684\u4fe1\u606f\u3002\u5f53\u7136\uff0c\u4ec0\u4e48\u662f\u6709\u7528\u7684\u4fe1\u606f\u662f\u4e00\u53e5\u5f88\u7b3c\u7edf\u7684\u8bdd\uff0c\u603b\u4e4b\u662f\u8fd9\u4e48\u4e2a\u610f\u601d\u3002\u7136\u800c\uff0c<strong>\u7531\u4e8ebackbone\u7f51\u7edc\u6bd5\u7adf\u662f\u4ece\u56fe\u50cf\u5206\u7c7b\uff08image classification\uff09\u4efb\u52a1\u8fc1\u79fb\u8fc7\u6765\u7684<\/strong>\uff0c\u5176\u63d0\u53d6\u7279\u5f81\u7684\u6a21\u5f0f\u53ef\u80fd\u4e0d\u592a\u9002\u5408\u4e0edetection\u3002\u56e0\u6b64\uff0c\u5728\u6211\u4eec\u6700\u7ec8\u4ece\u8fd9\u4e9b\u7279\u5f81\u4e2d\u5f97\u5230\u56fe\u50cf\u4e2d\u82e5\u5e72\u76ee\u6807\u7684\u7c7b\u522b\u4fe1\u606f\uff08classification\uff09\u548c\u4f4d\u7f6e\uff08location\uff09\u4fe1\u606f\u4e4b\u524d\uff0c\u6709<strong>\u5fc5\u8981\u5bf9\u5b83\u4eec\u505a\u4e00\u4e9b\u5904\u7406\u3002<\/strong><\/p>\n\n\n\n<p>\u8fd9\u4e00\u90e8\u5206\uff0c\u56e0\u4e3a\u662f\u5728backbone\u4e4b\u540e\uff0cdetection head\u4e4b\u524d\uff0c\u56e0\u6b64\uff0c\u88ab\u79f0\u4e3a\u201cNeck\u201d\u3002<\/p>\n\n\n\n<p>\u76f8\u8f83\u4e8ebackbone\u5e38\u4f7f\u7528ImageNet Pretrained model\uff0c<strong>neck\u90e8\u5206\u53cd\u5012\u6ca1\u6709\u4ec0\u4e48\u8bf4\u9053<\/strong>\u3002\u65e2\u7136\u5b83\u7684\u4f5c\u7528\u662f\u5c06backbone\u7684\u4fe1\u606f\u597d\u597d\u5730\u6574\u5408\u4e00\u4e0b\uff0c\u56e0\u6b64\uff0c\u7814\u7a76\u8005\u4eec\u81ea\u7531\u53d1\u6325\u7684\u7a7a\u95f4\u4e5f\u5c31\u4f1a\u5927\u5f97\u591a\u4e86\uff0c\u5f88\u591a\u6a21\u5757\u88ab\u63d0\u51fa\u4e86\u51fa\u6765\u3002\u8fd9\u91cc\u6211\u4eec\u4ecb\u7ecd\u51e0\u4e2a\u5e38\u89c1\u7684\u3002<\/p>\n\n\n\n<p>\u6700\u6709\u540d\u7684\uff0c\u83ab\u8fc7\u4e8e<strong>FPN\uff08Feature Pyramid Network\uff09\u4e86\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"602\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061138776-1024x602.jpg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6781 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061138776-1024x602.jpg 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061138776-300x176.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061138776-768x452.jpg 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061138776.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"602\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061138776-1024x602.jpg\" alt=\"\" class=\"wp-image-6781\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061138776-1024x602.jpg 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061138776-300x176.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061138776-768x452.jpg 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061138776.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure>\n\n\n\n<p>\u5728SSD\u4e4b\u524d\uff0c\u4e0d\u8bba\u662fFaster R-CNN\u8fd8\u662fYOLO\uff0c\u4ed6\u4eec\u90fd\u53ea\u662f\u5728backbone\u8f93\u51fa\u7684\u6700\u540e\u4e00\u5c42\u5f88\u7c97\u7cd9\u7684\u7279\u5f81\u56fe\uff08feature map\uff09\u4e0a\u53bb\u505a\u68c0\u6d4b\u7684\u3002\u5728CNN\u4e2d\uff0c<strong>\u6709\u4e00\u4e2a\u5f88\u5173\u952e\u7684\u6982\u5ff5\u53eb\u505a\u201c\u611f\u53d7\u91ce\u201d\uff08receptive field\uff09\uff0c\u5927\u62b5\u7684\u610f\u601d\u5c31\u662f\u8fd9\u4e00\u5f20\u7279\u5f81\u56fe\u7684pixel\u80fd\u5305\u542b\u539f\u59cb\u56fe\u50cf\u4e2d\u7684\u5c11\u4e2a\u50cf\u7d20<\/strong>\u3002<\/p>\n\n\n\n<p>\u76f4\u89c2\u4e0a\u6765\u770b\uff0cbackbone\u6700\u540e\u8f93\u51fa\u7684\u5f88\u7c97\u7cd9\u7684\u7279\u5f81\u56fe\u2014\u2014\u901a\u5e38\u90fd\u662fstride=32\uff0c\u5373\u7ecf\u8fc7\u4e8632\u500d\u964d\u91c7\u6837\u2014\u2014\u5177\u6709\u5f88\u5927\u7684\u611f\u53d7\u91ce\uff0c\u8fd9\u5bf9\u4e8e\u5927\u7269\u4f53\u6765\u8bf4\u662f\u5f88\u53cb\u597d\u7684\uff0c\u4f46\u5bf9\u4e8e\u5c0f\u7269\u4f53\u800c\u8a00\uff0c\u8fc7\u5927\u7684\u611f\u53d7\u91ce\u4e14\u4e0d\u8bf4\u5bb9\u6613\u201c\u5931\u7126\u201d\uff0c\u7ecf\u8fc7\u591a\u6b21\u964d\u91c7\u6837\uff0c\u5c0f\u7269\u4f53\u7684\u4fe1\u606f\u4e5f\u5f88\u5bb9\u6613\u88ab\u4e22\u5931\u6389\u4e86\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e48\u4e2a\u95ee\u9898\uff0cSSD\u5728\u4e09\u4e2a\u4e0d\u540c\u5927\u5c0f\u7684\u7279\u5f81\u56fe\u4e0a\u8fdb\u884c\u9884\u6d4b\uff0c\u5373\u4e0a\u56fe\u4e2d\u7684\uff08c\uff09\uff0c\u4f46CNN\u968f\u7740\u7f51\u7edc\u6df1\u5ea6\u7684\u589e\u52a0\uff0c\u6bcf\u4e00\u5c42\u7684\u7279\u5f81\u56fe\u6240\u643a\u5e26\u7684\u4fe1\u606f\u91cf\u548c\u4fe1\u606f\u6027\u8d28\u4e5f\u4e0d\u4e00\u6837\u2014\u2014<strong>\u6d45\u5c42\u5305\u542b\u7684\u7ec6\u8282\u4fe1\u606f\u3001\u8f6e\u5ed3\u4fe1\u606f\u3001\u4f4d\u7f6e\u4fe1\u606f\u7b49\u66f4\u591a\uff0c\u6df1\u5c42\u5305\u542b\u7684\u8bed\u4e49\u4fe1\u606f\u66f4\u591a<\/strong>\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0cFPN\u7684\u5de5\u4f5c\u5c31\u662f\u5728\u68c0\u6d4b\u524d\uff0c\u5148\u5c06\u591a\u4e2a\u5c3a\u5ea6\u7684\u7279\u5f81\u56fe\u8fdb\u884c\u4e00\u6b21bottom-up\u7684\u878d\u5408\uff0c\u4e5f\u5c31\u662f\u4e0a\u56fe\u4e2d\u7684\uff08d\uff09\uff0c\u8fd9\u88ab\u8bc1\u660e\u662f\u6781\u5176\u6709\u6548\u7684\u7279\u5f81\u878d\u5408\u65b9\u5f0f\uff0c\u51e0\u4e4e\u6210\u4e3a\u4e86\u540e\u6765\u76ee\u6807\u68c0\u6d4b\u7684\u6807\u51c6\u6a21\u5f0f\u4e4b\u4e00\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u767d\u8bdd\u4e00\u4e0b\uff1a\u6211\u4eec\u5f97\u5f04\u660e\u767dSSD\u3001FPN\u548cSPP\u8fd9\u4e9b\u76ee\u6807\u68c0\u6d4b\u4e2d\u7684\u5173\u952e\u6280\u672f\u662f\u5982\u4f55\u89e3\u51b3\u591a\u5c3a\u5ea6\u68c0\u6d4b\u95ee\u9898\u7684\u3002\u8fd9\u5bf9\u521d\u5b66\u8005\u6765\u8bf4\u786e\u5b9e\u662f\u4e2a\u5173\u952e\u6982\u5ff5\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u7b80\u5355\u6765\u8bf4\uff0cSSD\u3001FPN\u548cSPP\u90fd\u662f\u4e3a\u4e86\u8ba9\u6a21\u578b\u80fd\u66f4\u597d<strong>\u5730\u201c\u770b\u89c1\u201d\u5e76\u201c\u8bc6\u522b\u201d\u56fe\u50cf\u4e2d\u4e0d\u540c\u5927\u5c0f\u7684\u7269\u4f53\u3002<\/strong><\/p>\n\n\n\n<p>\u4e3a\u4e86\u8ba9\u4f60\u80fd\u5feb\u901f\u4e86\u89e3\u5b83\u4eec\u7684\u6838\u5fc3\u601d\u60f3\u548c\u7279\u70b9\uff0c\u6211\u51c6\u5907\u4e86\u4e00\u4e2a\u8868\u683c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6280\u672f\u540d\u79f0<\/th><th>\u6838\u5fc3\u601d\u60f3<\/th><th>\u4e3b\u8981\u4f18\u52bf<\/th><th>\u5178\u578b\u5e94\u7528<\/th><\/tr><\/thead><tbody><tr><td><strong>SSD<\/strong><\/td><td><strong>\u591a\u5c3a\u5ea6\u9884\u6d4b<\/strong>\uff1a\u76f4\u63a5\u5728<strong>Backbone\u4e0d\u540c\u5c42\u6b21<\/strong>\u7684\u7279\u5f81\u56fe\u4e0a\u72ec\u7acb\u8fdb\u884c\u9884\u6d4b\u3002<\/td><td>\u7ed3\u6784\u76f8\u5bf9\u7b80\u5355\uff0c<strong>\u4e00\u6b21\u524d\u5411\u4f20\u64ad\u5373\u53ef\u5b8c\u6210\u68c0\u6d4b<\/strong>\uff0c\u901f\u5ea6\u8f83\u5feb\u3002<\/td><td>SSD300, SSD512, MobileNet-SSD<\/td><\/tr><tr><td><strong>FPN<\/strong><\/td><td><strong>\u7279\u5f81\u91d1\u5b57\u5854\u878d\u5408<\/strong>\uff1a\u901a\u8fc7<strong>\u81ea\u4e0a\u800c\u4e0b\u548c\u6a2a\u5411\u8fde\u63a5<\/strong>\uff0c\u5c06\u6df1\u5c42\u8bed\u4e49\u4fe1\u606f\u4e0e\u6d45\u5c42\u7ec6\u8282\u4fe1\u606f\u878d\u5408\uff0c\u5f62\u6210\u4e30\u5bcc\u7684\u7279\u5f81\u91d1\u5b57\u5854\u3002<\/td><td>\u663e\u8457<strong>\u63d0\u5347\u5c0f\u76ee\u6807\u68c0\u6d4b\u6027\u80fd<\/strong>\uff0c\u7279\u5f81\u8868\u8fbe\u66f4\u4e30\u5bcc\uff0c\u5df2\u6210\u4e3a\u73b0\u4ee3\u68c0\u6d4b\u7cfb\u7edf\u7684\u6807\u51c6\u7ec4\u4ef6\u3002<\/td><td>Mask R-CNN, Faster R-CNN with FPN, RetinaNet<\/td><\/tr><tr><td><strong>SPP<\/strong><\/td><td><strong>\u7a7a\u95f4\u91d1\u5b57\u5854\u6c60\u5316<\/strong>\uff1a\u5bf9<strong>\u5355\u4e00\u7279\u5f81\u56fe<\/strong>\u8fdb\u884c<strong>\u591a\u79cd\u4e0d\u540c\u5c3a\u5ea6\u7684\u6c60\u5316<\/strong>\uff0c\u518d\u62fc\u63a5\u6210\u56fa\u5b9a\u957f\u5ea6\u7684\u5411\u91cf\u3002<\/td><td>\u4f7f\u7f51\u7edc<strong>\u80fd\u5904\u7406\u4efb\u610f\u5927\u5c0f\u7684\u8f93\u5165\u56fe\u50cf<\/strong>\uff0c\u5e76<strong>\u878d\u5408\u4e0d\u540c\u5c3a\u5ea6\u7684\u7279\u5f81<\/strong>\uff0c\u63d0\u5347\u5bf9\u7269\u4f53\u5c3a\u5ea6\u53d8\u5316\u7684\u9c81\u68d2\u6027\u3002<\/td><td>SPP-Net, YOLOv3-SPP, YOLOv4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83e\udde0 \u6df1\u5165\u7406\u89e3\u201c\u611f\u53d7\u91ce\u201d\u4e0e\u591a\u5c3a\u5ea6\u68c0\u6d4b\u7684\u6311\u6218<\/p>\n<\/blockquote>\n\n\n\n<p>\u201c\u611f\u53d7\u91ce\u201d\u975e\u5e38\u5173\u952e\u3002<strong>\u611f\u53d7\u91ce<\/strong>&nbsp;\u6307\u7684\u662f\u7279\u5f81\u56fe\u4e0a\u7684\u4e00\u4e2a\u70b9\uff0c\u5bf9\u5e94\u539f\u59cb\u8f93\u5165\u56fe\u50cf\u4e0a\u7684\u533a\u57df\u5927\u5c0f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6df1\u5c42\u7279\u5f81\u56fe<\/strong>\uff08\u5982<code>stride=32<\/code>\uff09\uff1a\u7ecf\u8fc7\u591a\u6b21\u4e0b\u91c7\u6837\uff0c<strong>\u611f\u53d7\u91ce\u5f88\u5927<\/strong>\uff0c\u6709\u5229\u4e8e\u6355\u6349\u56fe\u50cf\u7684<strong>\u9ad8\u7ea7\u8bed\u4e49\u4fe1\u606f<\/strong>\uff08\u6bd4\u5982\u201c\u8fd9\u662f\u4e00\u8f86\u8f66\u201d\uff09\uff0c\u4f46<strong>\u7a7a\u95f4\u4f4d\u7f6e\u6bd4\u8f83\u7c97\u7cd9<\/strong>\uff0c<strong>\u5c0f\u7269\u4f53\u7684\u7ec6\u8282\u4fe1\u606f\u53ef\u80fd\u5df2\u5728\u591a\u6b21\u4e0b\u91c7\u6837\u4e2d\u4e22\u5931<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u6d45\u5c42\u7279\u5f81\u56fe<\/strong>\uff08\u5982<code>stride=4\u62168<\/code>\uff09\uff1a<strong>\u611f\u53d7\u91ce\u8f83\u5c0f<\/strong>\uff0c\u4fdd\u7559\u4e86\u4e30\u5bcc\u7684<strong>\u7ec6\u8282\u3001\u8fb9\u7f18\u548c\u4f4d\u7f6e\u4fe1\u606f<\/strong>\uff0c\u6709\u5229\u4e8e\u7cbe\u786e\u5b9a\u4f4d\u548c\u5c0f\u7269\u4f53\u68c0\u6d4b\uff0c\u4f46<strong>\u8bed\u4e49\u4fe1\u606f\u8f83\u5f31<\/strong>\uff0c\u96be\u4ee5\u5224\u65ad\u201c\u662f\u4ec0\u4e48\u201d\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u65e9\u671f\u7684\u68c0\u6d4b\u6a21\u578b\uff08\u5982\u63d0\u5230\u7684Faster R-CNN\u548cYOLOv1\uff09<\/strong>&nbsp;\u5927\u591a\u53ea\u5728Backbone\u8f93\u51fa\u7684<strong>\u6700\u540e\u4e00\u5c42<\/strong>\uff08\u5373\u6700\u6df1\u3001\u611f\u53d7\u91ce\u6700\u5927\uff09\u7684\u7279\u5f81\u56fe\u4e0a\u8fdb\u884c\u9884\u6d4b\u3002\u8fd9\u5bf9\u4e8e\u5927\u76ee\u6807\u6765\u8bf4\u6ca1\u95ee\u9898\uff0c\u4f46\u5bf9\u4e8e\u5c0f\u76ee\u6807\uff0c\u56e0\u4e3a\u7ec6\u8282\u4fe1\u606f\u5df2\u7ecf\u4e22\u5931\uff0c\u68c0\u6d4b\u6548\u679c\u5c31\u4e0d\u592a\u7406\u60f3\u3002<\/p>\n\n\n\n<p>SSD\u3001FPN\u3001SPP\u8fd9\u4e9b\u6280\u672f\uff0c\u90fd\u662f\u4e3a\u4e86\u66f4\u597d\u5730\u5229\u7528\u4e0d\u540c\u5c42\u6b21\u7684\u7279\u5f81\u4fe1\u606f\uff0c\u6765\u89e3\u51b3\u591a\u5c3a\u5ea6\u76ee\u6807\uff08\u5c24\u5176\u662f\u5c0f\u76ee\u6807\uff09\u68c0\u6d4b\u7684\u96be\u9898\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<ol class=\"wp-block-list\">\n<li>SSD\u7684\u591a\u5c3a\u5ea6\u9884\u6d4b<\/li>\n<\/ol>\n<\/blockquote>\n\n\n\n<p>SSD\u7684\u521b\u65b0\u5728\u4e8e\u5b83<strong>\u76f4\u63a5\u5728Backbone\u7f51\u7edc\u7684\u4e0d\u540c\u6df1\u5ea6\u62bd\u53d6\u4e86\u591a\u4e2a\u5c3a\u5ea6\u7684\u7279\u5f81\u56fe<\/strong>\uff08\u4f8b\u5982\u5c3a\u5bf8\u4e3a38x38, 19x19, 10x10, 5x5, 3x3, 1x1\uff09\uff0c\u5e76\u5728<strong>\u6bcf\u4e00\u5c42<\/strong>\u90fd\u72ec\u7acb\u5730\u8fdb\u884c\u76ee\u6807\u68c0\u6d4b\uff08\u5373\u9884\u6d4b\u7c7b\u522b\u548c\u8fb9\u754c\u6846\u504f\u79fb\uff09\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6d45\u5c42\u7279\u5f81\u56fe<\/strong>\uff08\u598238x38\uff09\uff1a<strong>\u611f\u53d7\u91ce\u5c0f<\/strong>\uff0c\u8d1f\u8d23\u68c0\u6d4b<strong>\u5c0f\u76ee\u6807<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u6df1\u5c42\u7279\u5f81\u56fe<\/strong>\uff08\u598219x19, 10x10\u7b49\uff09\uff1a<strong>\u611f\u53d7\u91ce\u5927<\/strong>\uff0c\u8d1f\u8d23\u68c0\u6d4b<strong>\u4e2d\u3001\u5927\u76ee\u6807<\/strong>\u3002<\/li>\n\n\n\n<li><strong>PriorBox (Default Box)<\/strong>\uff1a\u5728\u6bcf\u4e00\u5c42\u7279\u5f81\u56fe\u7684\u6bcf\u4e2a\u70b9\u4e0a\uff0cSSD\u4f1a\u9884\u8bbe\u4e00\u7cfb\u5217\u4e0d\u540c\u5927\u5c0f\u548c\u957f\u5bbd\u6bd4\u7684\u5019\u9009\u6846\uff08PriorBox\uff09\uff0c\u7f51\u7edc\u5b66\u4e60\u7684\u662f\u5982\u4f55\u8c03\u6574\u8fd9\u4e9b\u5019\u9009\u6846\u4ee5\u5339\u914d\u771f\u5b9e\u7269\u4f53\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>SSD\u7684\u4f18\u52bf<\/strong>\u662f\u901f\u5ea6\u5feb\u3001\u7ed3\u6784\u76f8\u5bf9\u7b80\u5355\u3002\u4f46\u5176\u6bcf\u4e2a\u7279\u5f81\u5c42\u7684\u4fe1\u606f\u662f\u201c\u72ec\u7acb\u201d\u4f7f\u7528\u7684\uff0c<strong>\u6ca1\u6709\u8fdb\u884c\u4e0d\u540c\u5c42\u7ea7\u95f4\u7684\u7279\u5f81\u878d\u5408<\/strong>\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<ol start=\"2\" class=\"wp-block-list\">\n<li>FPN\u7684\u7279\u5f81\u91d1\u5b57\u5854\u878d\u5408<\/li>\n<\/ol>\n<\/blockquote>\n\n\n\n<p>FPN\u89e3\u51b3\u4e86<strong>SSD\u4e2d\u4e0d\u540c\u5c42\u7ea7\u7279<\/strong>\u5f81\u201c\u5404\u81ea\u4e3a\u6218\u201d\u7684\u95ee\u9898\u3002\u5b83\u7684\u6838\u5fc3\u662f<strong>\u6784\u5efa\u4e00\u4e2a\u5177\u6709\u5f3a\u8bed\u4e49\u4fe1\u606f\u7684\u7279\u5f81\u91d1\u5b57\u5854<\/strong>\uff0c\u5176\u4e2d\u6bcf\u4e00\u5c42\u90fd\u878d\u5408\u4e86\u6df1\u5c42\u548c\u6d45\u5c42\u7684\u7279\u5f81\u3002<\/p>\n\n\n\n<p>FPN\u7684\u5de5\u4f5c\u6d41\u7a0b\u901a\u5e38\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u81ea\u4e0b\u800c\u4e0a\u8def\u5f84<\/strong>\uff1a\u5c31\u662f\u666e\u901a\u7684Backbone\uff08\u5982ResNet\uff09\u524d\u5411\u4f20\u64ad\uff0c\u9010\u6b65\u63d0\u53d6\u7279\u5f81\uff0c\u5f97\u5230\u4e0d\u540c\u5c3a\u5ea6\u7684\u7279\u5f81\u5c42\uff08C2, C3, C4, C5\uff09\u3002<\/li>\n\n\n\n<li><strong>\u81ea\u4e0a\u800c\u4e0b\u8def\u5f84<\/strong>\uff1a\u4ece<strong>\u6700\u6df1\u7684\u7279\u5f81\u5c42\uff08C5\uff09\u5f00\u59cb\uff0c\u8fdb\u884c\u4e0a\u91c7\u6837<\/strong>\uff0c\u4f7f\u5b83\u7684\u5c3a\u5bf8\u53d8\u5927\u3002<\/li>\n\n\n\n<li><strong>\u6a2a\u5411\u8fde\u63a5<\/strong>\uff1a\u5c06<strong>\u4e0a\u91c7\u6837\u540e\u7684\u6df1\u5c42\u7279\u5f81<\/strong>\u4e0e<strong>\u76f8\u540c\u5c3a\u5bf8\u7684\u6d45\u5c42\u7279\u5f81<\/strong>\uff08\u901a\u8fc71x1\u5377\u79ef\u8c03\u6574\u901a\u9053\u6570\u540e\uff09\u8fdb\u884c\u878d\u5408\uff08\u5982\u76f8\u52a0\uff09\u3002\u8fd9\u6837\uff0c\u6d45\u5c42\u7279\u5f81\u5c31\u83b7\u5f97\u4e86\u6765\u81ea\u6df1\u5c42\u7684\u4e30\u5bcc\u8bed\u4e49\u4fe1\u606f\u3002<\/li>\n\n\n\n<li>\u878d\u5408\u540e\u7684\u6bcf\u4e00\u5c42\u7279\u5f81\uff08P2, P3, P4, P5\uff09\u90fd\u53ef\u4ee5\u7528\u4e8e\u6700\u7ec8\u7684\u76ee\u6807\u68c0\u6d4b\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>FPN\u7684\u4f18\u52bf<\/strong>\u662f\u5b83\u521b\u9020\u51fa\u7684\u6bcf\u4e00\u5c42\u7279\u5f81\u56fe\u90fd<strong>\u65e2\u6709\u9ad8\u5206\u8fa8\u7387\uff08\u6765\u81ea\u6d45\u5c42\uff09\uff0c\u53c8\u6709\u5f3a\u8bed\u4e49\uff08\u6765\u81ea\u6df1\u5c42\uff09<\/strong>\uff0c\u7279\u522b\u6709\u5229\u4e8e<strong>\u5c0f\u76ee\u6807\u68c0\u6d4b<\/strong>\u3002FPN\u5df2\u6210\u4e3a\u8bb8\u591a\u73b0\u4ee3\u68c0\u6d4b\u6a21\u578b\u7684\u6807\u51c6\u7ec4\u4ef6\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<ol start=\"3\" class=\"wp-block-list\">\n<li>SPP\u7684\u7a7a\u95f4\u91d1\u5b57\u5854\u6c60\u5316<\/li>\n<\/ol>\n<\/blockquote>\n\n\n\n<p>SPP\u6a21\u5757\u901a\u5e38\u88ab\u63d2\u5165\u5230Backbone\u548c\u68c0\u6d4b\u5934\u4e4b\u95f4\u3002\u5b83\u7684\u4e3b\u8981\u4f5c\u7528\u662f<strong>\u6d88\u9664\u8f93\u5165\u56fe\u50cf\u5c3a\u5bf8\u5fc5\u987b\u56fa\u5b9a\u7684\u9650\u5236<\/strong>\uff0c\u5e76<strong>\u878d\u5408\u4e0d\u540c\u5c3a\u5ea6\u7684\u7279\u5f81\u4fe1\u606f<\/strong>\u3002<\/p>\n\n\n\n<p>SPP\u5bf9<strong>\u5355\u4e2a<\/strong>\u7279\u5f81\u56fe\u8fdb\u884c\u5e76\u884c\u5904\u7406\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<strong>\u591a\u4e2a\u4e0d\u540c\u5c3a\u5ea6\u7684\u6c60\u5316\u7a97\u53e3<\/strong>\uff08\u4f8b\u59821x1, 5x5, 9x9, 13x13\uff09\u5bf9\u8f93\u5165\u7279\u5f81\u56fe\u8fdb\u884c\u6700\u5927\u6c60\u5316\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u5c06\u6240\u6709\u8fd9\u4e9b\u4e0d\u540c\u5c3a\u5ea6\u7684\u6c60\u5316\u7ed3\u679c<strong>\u62fc\u63a5<\/strong>\u6210\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u5411\u91cf\uff0c\u518d\u9001\u7ed9\u540e\u7eed\u7684\u5168\u8fde\u63a5\u5c42\u6216\u68c0\u6d4b\u5934\u3002https:\/\/wxa.wxs.qq.com\/tmpl\/oc\/base_tmpl.html<\/li>\n<\/ul>\n\n\n\n<p><strong>SPP\u7684\u4f18\u52bf<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u89e3\u51b3\u8f93\u5165\u5c3a\u5bf8\u9650\u5236<\/strong>\uff1a\u65e0\u8bba\u8f93\u5165\u56fe\u50cf\u5c3a\u5bf8\u5982\u4f55\uff0cSPP\u90fd\u80fd\u8f93\u51fa\u56fa\u5b9a\u957f\u5ea6\u7684\u5411\u91cf\u3002<\/li>\n\n\n\n<li><strong>\u591a\u5c3a\u5ea6\u7279\u5f81\u878d\u5408<\/strong>\uff1a\u4e0d\u540c\u5927\u5c0f\u7684\u6c60\u5316\u7a97\u53e3\u63d0\u53d6\u4e86\u4e0d\u540c\u5c3a\u5ea6\u7684\u7279\u5f81\uff0c\u589e\u52a0\u4e86\u6a21\u578b\u7684\u9c81\u68d2\u6027\u3002<\/li>\n\n\n\n<li><strong>\u6781\u5927\u589e\u52a0\u611f\u53d7\u91ce<\/strong>\uff1a\u5927\u7684\u6c60\u5316\u6838\uff08\u598213x13\uff09\u80fd\u663e\u8457\u589e\u5927\u611f\u53d7\u91ce\uff0c\u6709\u52a9\u4e8e\u6355\u83b7\u5168\u5c40\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5728YOLOv3\u548cYOLOv4\u4e2d\uff0cSPP\u6a21\u5757\u88ab\u6210\u529f\u5e94\u7528\uff0c\u901a\u8fc7\u878d\u5408\u591a\u91cd\u611f\u53d7\u91ce\u7279\u5f81\uff0c\u63d0\u5347\u4e86\u68c0\u6d4b\u7cbe\u5ea6\uff0c\u5c24\u5176\u662f\u5bf9\u4e0d\u540c\u5c3a\u5ea6\u76ee\u6807\u7684\u9002\u5e94\u6027\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83d\udca1 \u5982\u4f55\u9009\u62e9\u4e0e\u603b\u7ed3<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SSD<\/strong>\uff1a\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b80\u5355\u76f4\u63a5\u7684\u591a\u5c3a\u5ea6\u68c0\u6d4b\u6846\u67b6\uff0c<strong>\u901f\u5ea6\u4e0a\u6709\u4f18\u52bf<\/strong>\uff0c\u662f\u7406\u89e3\u591a\u5c3a\u5ea6\u9884\u6d4b\u7684\u57fa\u7840\u3002<\/li>\n\n\n\n<li><strong>FPN<\/strong>\uff1a\u901a\u8fc7<strong>\u7279\u5f81\u878d\u5408<\/strong>\u6781\u5927\u5730\u4f18\u5316\u4e86\u7279\u5f81\u91d1\u5b57\u5854\u7684\u8d28\u91cf\uff0c<strong>\u5c24\u5176\u63d0\u5347\u4e86\u5c0f\u76ee\u6807\u7684\u68c0\u6d4b\u6027\u80fd<\/strong>\uff0c\u662f\u73b0\u4ee3\u68c0\u6d4b\u67b6\u6784\u7684\u57fa\u77f3\u3002<\/li>\n\n\n\n<li><strong>SPP<\/strong>\uff1a\u4e13\u6ce8\u4e8e<strong>\u89e3\u51b3\u8f93\u5165\u5c3a\u5bf8\u9650\u5236<\/strong>\u548c<strong>\u878d\u5408\u591a\u5c3a\u5ea6\u4e0a\u4e0b\u6587\u4fe1\u606f<\/strong>\uff0c\u80fd\u6709\u6548\u63d0\u5347\u6a21\u578b\u7684<strong>\u9c81\u68d2\u6027\u548c\u7cbe\u5ea6<\/strong>\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u6280\u672f\u5e38\u88ab\u7ed3\u5408\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u6a21\u578b\u53ef\u80fd\u4f7f\u7528FPN\u6765\u6784\u5efa\u7279\u5f81\u91d1\u5b57\u5854\uff0c\u5e76\u5728\u5176\u8f93\u51fa\u4e0a\u5e94\u7528SPP\u6a21\u5757\u8fdb\u4e00\u6b65\u63d0\u53d6\u7279\u5f81\u3002<\/p>\n\n\n\n<p>SPP\u6a21\u5757\uff0c\u8fd9\u662f\u5f88\u5e38\u7528\u7684\u4e00\u4e2aNeck\u7ed3\u6784\uff0c\u4e0b\u56fe\u4fbf\u662fSPP\u7684\u7ed3\u6784\u793a\u610f\u56fe\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"634\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061148949-1024x634.jpg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6782 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061148949-1024x634.jpg 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061148949-300x186.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061148949-768x476.jpg 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061148949.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"634\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061148949-1024x634.jpg\" alt=\"\" class=\"wp-image-6782\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061148949-1024x634.jpg 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061148949-300x186.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061148949-768x476.jpg 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061148949.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure>\n\n\n\n<p>\u4e0b\u9762\u6765\u770b\u770bYOLOv3\u4e2d\u4e00\u4e2a\u975e\u5e38\u5de7\u5999\u4e14\u9ad8\u6548\u7684\u6a21\u5757\u2014\u2014<strong>SPP\u6a21\u5757<\/strong>\uff08\u7a7a\u95f4\u91d1\u5b57\u5854\u6c60\u5316\uff09\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83e\udde0 \u6838\u5fc3\u601d\u60f3\uff1a\u50cf\u7528\u201c\u4e0d\u540c\u7f51\u773c\u7684\u6e14\u7f51\u201d\u635e\u4fe1\u606f<\/p>\n<\/blockquote>\n\n\n\n<p>\u60f3\u8c61\u4e00\u4e0b\uff0cBackbone\u7f51\u7edc\uff08\u4e3b\u5e72\u7f51\u7edc\uff09\u5c31\u50cf\u4e00\u53f0\u62bd\u6c34\u673a\uff0c\u628a\u4e00\u5f20\u56fe\u7247\u201c\u62bd\u201d\u4e0a\u6765\uff0c\u6700\u540e\u4ea7\u751f\u4e86\u4e00\u6c60\u5b50\u6c34\uff08\u5373<code>stride=32\u7684\u7279\u5f81\u56fe<\/code>\uff09\uff0c\u8fd9\u6c60\u6c34\u91cc\u6df7\u5408\u4e86\u5404\u79cd\u4fe1\u606f\uff08\u7269\u4f53\u7684\u8f6e\u5ed3\u3001\u989c\u8272\u3001\u7eb9\u7406\u7b49\uff09\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u9700\u8981\u5206\u6790\u8fd9\u6c60\u6c34\u91cc\u5230\u5e95\u6709\u4ec0\u4e48\u4e1c\u897f\uff08\u662f\u9c7c\uff1f\u662f\u6c34\u8349\uff1f\u8fd8\u662f\u77f3\u5934\uff1f\uff09\u3002\u4f46\u662f\uff0c\u8fd9\u4e9b\u4e1c\u897f\u5927\u5c0f\u4e0d\u4e00\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5c0f\u9c7c<\/strong>\uff08\u5c0f\u7269\u4f53\uff09\u9700\u8981\u5f88\u5bc6\u7684\u7f51\u624d\u80fd\u635e\u8d77\u6765\u3002<\/li>\n\n\n\n<li><strong>\u5927\u9c7c<\/strong>\uff08\u5927\u7269\u4f53\uff09\u9700\u8981\u5f88\u5927\u7684\u7f51\u624d\u80fd\u4e00\u6b21\u6027\u635e\u8d77\u6765\u3002<\/li>\n<\/ul>\n\n\n\n<p>SPP\u6a21\u5757\u505a\u7684\u5c31\u662f\u8fd9\u4ef6\u4e8b\uff1a\u5b83<strong>\u540c\u65f6\u7528\u56db\u5f20\u4e0d\u540c\u7f51\u773c\u7684\u6e14\u7f51\uff081x1, 5x5, 9x9, 13x13\u7684maxpool\uff09\u53bb\u635e\u8fd9\u540c\u4e00\u6c60\u6c34<\/strong>\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1x1\u7684\u7f51<\/strong>\uff1a\u7f51\u773c\u6781\u7ec6\uff0c\u80fd\u635e\u8d77\u6c34\u91cc\u6700\u5fae\u5c0f\u7684\u4fe1\u606f\u788e\u7247\uff08<strong>\u6355\u6349\u975e\u5e38\u7cbe\u7ec6\u7684\u7ec6\u8282<\/strong>\uff09\u3002<\/li>\n\n\n\n<li><strong>13x13\u7684\u7f51<\/strong>\uff1a\u7f51\u773c\u5de8\u5927\uff0c\u4e00\u6b21\u80fd\u635e\u8d77\u4e00\u5927\u7247\u533a\u57df\uff0c\u80fd\u770b\u6e05\u5927\u9c7c\u7684\u5168\u8c8c\uff08<strong>\u6355\u6349\u5168\u5c40\u7684\u3001\u6574\u4f53\u7684\u4fe1\u606f<\/strong>\uff09\u3002<\/li>\n\n\n\n<li><strong>5x5\u548c9x9\u7684\u7f51<\/strong>\uff1a\u7f51\u773c\u9002\u4e2d\uff0c\u8d1f\u8d23\u4e2d\u7b49\u5927\u5c0f\u7684\u4fe1\u606f\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6700\u540e\uff0c\u6211\u4eec\u628a<strong>\u8fd9\u56db\u5f20\u7f51\u635e\u5230\u7684\u4e1c\u897f\u5168\u90e8\u5806\u5728\u4e00\u8d77<\/strong>\uff08\u5373<code>cat<\/code>\u62fc\u63a5\u64cd\u4f5c\uff09\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u5f97\u5230\u4e86\u4e00\u4e2a<strong>\u65e2\u5305\u542b\u7ec6\u8282\uff0c\u53c8\u5305\u542b\u6574\u4f53<\/strong>\u7684\u3001\u4fe1\u606f\u6781\u5176\u4e30\u5bcc\u7684\u201c\u6218\u5229\u54c1\u96c6\u5408\u201d\uff08\u5373<strong>\u878d\u5408\u540e\u7684\u65b0\u7279\u5f81\u56fe<\/strong>\uff09\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u8fc7\u7a0b\u5c31\u662fSPP\u6a21\u5757\u7684\u6838\u5fc3\uff1a<strong>\u5229\u7528\u4e0d\u540c\u5927\u5c0f\u7684\u6c60\u5316\u6838\uff0c\u4ece\u540c\u4e00\u4e2a\u7279\u5f81\u56fe\u4e2d\u63d0\u53d6\u4e0d\u540c\u5c3a\u5ea6\u7684\u4fe1\u606f\uff0c\u7136\u540e\u878d\u5408\u5728\u4e00\u8d77\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83d\udd0d \u8bb2\u8bb2\u56fe\u7247<\/p>\n<\/blockquote>\n\n\n\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u518d\u770b\u4f60\u63d0\u4f9b\u7684\u56fe\u7247\uff0c\u5c31\u975e\u5e38\u5bb9\u6613\u7406\u89e3\u4e86\uff1a<img decoding=\"async\" class=\"lazyload\"alt=\"SPP\u7ed3\u6784\u56fe\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/0l8e8dYXFXY5LEwjMHhSS3mh4nOd1JP1wLolPHO5qTiaSDQcDY6RAic8spHcOpkibBNV83KWhApchq4QTDoobib6TQ\/640?wx_fmt=jpeg&amp;from=appmsg&amp;watermark=1&amp;tp=wxpic&amp;wxfrom=5&amp;wx_lazy=1#imgIndex=8\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"><noscript><img decoding=\"async\" alt=\"SPP\u7ed3\u6784\u56fe\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/0l8e8dYXFXY5LEwjMHhSS3mh4nOd1JP1wLolPHO5qTiaSDQcDY6RAic8spHcOpkibBNV83KWhApchq4QTDoobib6TQ\/640?wx_fmt=jpeg&amp;from=appmsg&amp;watermark=1&amp;tp=wxpic&amp;wxfrom=5&amp;wx_lazy=1#imgIndex=8\"><\/noscript><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6700\u4e0b\u65b9\u7684\u56db\u4e2a\u65b9\u5757<\/strong>\uff1a\u4ee3\u8868<strong>\u56db\u5f20\u4e0d\u540c\u7684\u201c\u6e14\u7f51\u201d<\/strong>\uff08\u5373\u56db\u79cd\u4e0d\u540c\u5c3a\u5bf8\u7684\u6700\u5927\u6c60\u5316\u64cd\u4f5c\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5411\u4e0a\u7684\u84dd\u8272\u7bad\u5934<\/strong>\uff1a\u4ee3\u8868<strong>\u540c\u65f6\u7528\u8fd9\u56db\u5f20\u7f51\u53bb\u201c\u635e\u201d\u540c\u4e00\u6c60\u6c34<\/strong>\uff08\u5373\u5bf9\u540c\u4e00\u4e2a\u8f93\u5165\u7279\u5f81\u56fe\u8fdb\u884c\u5e76\u884c\u5904\u7406\uff09\u3002<\/li>\n\n\n\n<li><strong>\u4e2d\u95f4\u7684\u201ccat\u201d<\/strong>\uff1a\u4ee3\u8868\u628a\u56db\u5f20\u7f51\u635e\u4e0a\u6765\u7684\u4e1c\u897f<strong>\u5168\u90e8\u5012\u5728\u4e00\u8d77\uff0c\u62fc\u63a5\u8d77\u6765<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u6700\u4e0a\u65b9\u7684\u65b9\u5757<\/strong>\uff1a\u4ee3\u8868\u6700\u7ec8\u5f62\u6210\u7684<strong>\u4fe1\u606f\u8d85\u7ea7\u4e30\u5bcc\u7684\u65b0\u7279\u5f81\u56fe<\/strong>\uff0c\u5b83\u5c06\u88ab\u9001\u5165\u540e\u9762\u7684\u7f51\u7edc\uff08\u5982FPN\uff09\u7ee7\u7eed\u5904\u7406\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u2696\ufe0f \u4e3a\u4ec0\u4e48\u5b83\u201c\u6027\u4ef7\u6bd4\u201d\u6781\u9ad8\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u6587\u7ae0\u8bf4\u5b83\u201c\u8ba1\u7b97\u91cf\u589e\u52a0\u51e0\u4e4e\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u201d\u548c\u201c\u9ad8\u6027\u4ef7\u6bd4\u201d\uff0c\u662f\u56e0\u4e3a\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u53c2\u6570\u4e3a\u96f6<\/strong>\uff1aMaxpool\uff08\u6700\u5927\u6c60\u5316\uff09\u662f\u4e00\u79cd<strong>\u56fa\u5b9a\u64cd\u4f5c<\/strong>\uff0c<strong>\u6ca1\u6709\u4efb\u4f55\u9700\u8981\u5b66\u4e60\u7684\u6743\u91cd\u53c2\u6570<\/strong>\u3002\u5b83\u53ea\u662f\u5728\u4e00\u4e2a\u533a\u57df\u5185\u53d6\u6700\u5927\u503c\u3002\u589e\u52a0\u5b83\uff0c\u4e0d\u4f1a\u589e\u52a0\u6a21\u578b\u7684\u53c2\u6570\u6570\u91cf\u3002<\/li>\n\n\n\n<li><strong>\u8ba1\u7b97\u91cf\u6781\u5c0f<\/strong>\uff1a\u76f8\u6bd4\u5377\u79ef\u7b49\u590d\u6742\u8fd0\u7b97\uff0c\u6c60\u5316\u64cd\u4f5c\u7684\u8ba1\u7b97\u5f00\u9500\u975e\u5e38\u5c0f\u3002<\/li>\n\n\n\n<li><strong>\u6548\u679c\u663e\u8457<\/strong>\uff1a\u8fd9\u4e2a\u7b80\u5355\u7684\u64cd\u4f5c\u5374\u6781\u5927\u5730<strong>\u4e30\u5bcc\u4e86\u7279\u5f81\u7684\u201c\u611f\u53d7\u91ce\u201d<\/strong>\u3002\u8ba9\u7f51\u7edc\u540c\u65f6\u62e5\u6709\u4e86\u201c\u663e\u5fae\u955c\u201d\uff08\u770b\u7ec6\u8282\uff09\u548c\u201c\u671b\u8fdc\u955c\u201d\uff08\u770b\u5168\u5c40\uff09\u7684\u80fd\u529b\uff0c\u56e0\u6b64\u80fd\u66f4\u597d\u5730\u68c0\u6d4b\u51fa\u4e0d\u540c\u5927\u5c0f\u7684\u7269\u4f53\uff0c\u4ece\u800c\u663e\u8457\u63d0\u5347\u6a21\u578b\u6027\u80fd\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u7528\u6253\u6e38\u620f\u7684\u6bd4\u55bb\u5c31\u662f\uff1a\u4f60\u51e0\u4e4e\u6ca1\u82b1\u4efb\u4f55\u91d1\u5e01\uff0c\u5c31\u7ed9\u4f60\u7684\u82f1\u96c4\u88c5\u5907\u4e86\u4e00\u4e2a\u795e\u5668\uff0c\u8ba9\u4ed6\u7684\u653b\u51fb\u540c\u65f6\u5e26\u6709\u201c\u7834\u7532\u3001\u6e85\u5c04\u3001\u5438\u8840\u3001\u66b4\u51fb\u201d\u56db\u79cd\u6548\u679c\uff0c\u6218\u6597\u529b\u77ac\u95f4\u98d9\u5347\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83d\uddfa\ufe0f \u5b83\u5728YOLOv3\u4e2d\u7684\u4f4d\u7f6e<\/p>\n<\/blockquote>\n\n\n\n<p>\u6587\u4e2d\u63d0\u5230\u5b83\u88ab\u6dfb\u52a0\u5728&nbsp;<strong><code>stride=32\u7684\u7279\u5f81\u56fe\u4e4b\u540e\uff0cFPN\u4e4b\u524d<\/code><\/strong>\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>stride=32\u7684\u7279\u5f81\u56fe<\/code><\/strong>\uff1a\u8fd9\u662fBackbone\u7f51\u7edc\u6700\u540e\u8f93\u51fa\u7684\u3001\u6700\u201c\u6df1\u201d\u7684\u4e00\u5c42\u7279\u5f81\u56fe\u3002\u5b83\u7ecf\u8fc7\u4e8632\u500d\u7684\u4e0b\u91c7\u6837\uff0c\u975e\u5e38\u201c\u7c97\u7cd9\u201d\uff0c\u4f46<strong>\u611f\u53d7\u91ce\u6700\u5927\uff0c\u5305\u542b\u7684\u8bed\u4e49\u4fe1\u606f\u6700\u4e30\u5bcc<\/strong>\uff08\u77e5\u9053\u201c\u6709\u4ec0\u4e48\u201d\uff09\uff0c\u4f46<strong>\u7ec6\u8282\u4e22\u5931\u4e25\u91cd<\/strong>\uff08\u4e0d\u77e5\u9053\u201c\u5177\u4f53\u5728\u54ea\u201d\uff09\u3002<\/li>\n\n\n\n<li><strong>SPP\u6a21\u5757\u7684\u4f5c\u7528<\/strong>\uff1a\u5c31\u662f\u5728\u8fd9\u5f20\u5305\u542b\u4e30\u5bcc\u8bed\u4e49\u4fe1\u606f\u7684\u7279\u5f81\u56fe\u4e0a\uff0c\u8fdb\u884c<strong>\u591a\u5c3a\u5ea6\u7279\u5f81\u63d0\u53d6\u548c\u878d\u5408<\/strong>\uff0c\u8ba9\u5b83\u65e2\u4fdd\u7559\u4e30\u5bcc\u7684\u8bed\u4e49\u4fe1\u606f\uff0c\u53c8\u878d\u5408\u4e86\u591a\u5c3a\u5ea6\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002<\/li>\n\n\n\n<li><strong>\u7136\u540e\u9001\u7ed9FPN<\/strong>\uff1aFPN\u8d1f\u8d23\u5c06\u8fd9\u4efd<strong>\u5df2\u7ecf\u7531SPP\u589e\u5f3a\u8fc7\u7684\u3001\u6df1\u5c42\u7684\u8bed\u4e49\u4fe1\u606f<\/strong>\uff0c<strong>\u4f20\u9012\u5e76\u878d\u5408\u5230\u6d45\u5c42\u7684\u7279\u5f81\u56fe<\/strong>\uff08\u5305\u542b\u7cbe\u786e\u5b9a\u4f4d\u4fe1\u606f\uff09\u4e2d\u53bb\uff0c\u6700\u7ec8\u5b9e\u73b0\u7cbe\u51c6\u7684\u68c0\u6d4b\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83d\udc8e \u603b\u7ed3<\/p>\n<\/blockquote>\n\n\n\n<p>\u6240\u4ee5\uff0cSPP\u6a21\u5757\u5c31\u662f\u4e00\u4e2a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u601d\u60f3\u7b80\u5355<\/strong>\uff1a\u7528\u591a\u5f20\u4e0d\u540c\u7f51\u773c\u7684\u7f51\u635e\u9c7c\uff0c\u7136\u540e\u5168\u5012\u5728\u4e00\u8d77\u3002<\/li>\n\n\n\n<li><strong>\u6548\u679c\u62d4\u7fa4<\/strong>\uff1a\u6781\u5927\u63d0\u5347\u6a21\u578b\u5bf9\u4e0d\u540c\u5927\u5c0f\u76ee\u6807\u7684\u68c0\u6d4b\u80fd\u529b\u3002<\/li>\n\n\n\n<li><strong>\u51e0\u4e4e\u514d\u8d39<\/strong>\uff1a\u4e0d\u589e\u52a0\u53c2\u6570\uff0c\u8ba1\u7b97\u5f00\u9500\u6781\u5c0f\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6b63\u56e0\u4e3a\u8fd9\u79cd\u201c\u82b1\u5c0f\u94b1\u529e\u5927\u4e8b\u201d\u7684\u7279\u6027\uff0c\u5b83\u4eceYOLOv3\u5f00\u59cb\uff0c\u540e\u7eed\u7684YOLOv4\u3001PP-YOLO\u7b49\u4f18\u79c0\u6a21\u578b\u90fd\u7ee7\u627f\u4e86\u8fd9\u4e00\u8bbe\u8ba1\u3002\u5e0c\u671b\u8fd9\u4e2a\u89e3\u91ca\u80fd\u5e2e\u4f60\u5b8c\u5168\u7406\u89e3\u5b83\uff01<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u6709\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6a21\u5757\u540d\u79f0<\/th><th>\u6838\u5fc3\u601d\u60f3<\/th><th>\u4e3b\u8981\u7279\u70b9\u4e0e\u4f18\u52bf<\/th><th>\u5178\u578b\u5e94\u7528\u573a\u666f<\/th><\/tr><\/thead><tbody><tr><td><strong>RFB<\/strong><\/td><td><strong>\u6a21\u62df\u4eba\u7c7b\u89c6\u89c9\u611f\u53d7\u91ce<\/strong>\uff0c\u901a\u8fc7<strong>\u591a\u5206\u652f+\u7a7a\u6d1e\u5377\u79ef<\/strong>\u589e\u5927\u548c\u591a\u6837\u5316\u611f\u53d7\u91ce\u3002<\/td><td>\u7ed3\u6784\u8f7b\u91cf\uff0c\u80fd<strong>\u6709\u6548\u63d0\u5347\u8f7b\u91cf\u7ea7\u6a21\u578b\u7684\u7279\u5f81\u8868\u793a\u80fd\u529b<\/strong>\uff0c\u5728\u901f\u5ea6\u548c\u7cbe\u5ea6\u95f4\u53d6\u5f97\u826f\u597d\u5e73\u8861\u3002<\/td><td>RFBNet (\u57fa\u4e8eSSD\u7684\u6539\u8fdb)<\/td><\/tr><tr><td><strong>ASPP<\/strong><\/td><td><strong>\u6355\u6349\u591a\u5c3a\u5ea6\u4e0a\u4e0b\u6587\u4fe1\u606f<\/strong>\uff0c\u901a\u8fc7<strong>\u5e76\u884c\u4f7f\u7528\u4e0d\u540c\u81a8\u80c0\u7387\u7684\u7a7a\u6d1e\u5377\u79ef<\/strong>\u6765\u5e94\u5bf9\u7269\u4f53\u5c3a\u5ea6\u4e0d\u4e00\u7684\u95ee\u9898\u3002<\/td><td>\u80fd\u6709\u6548\u5904\u7406<strong>\u540c\u4e00\u56fe\u50cf\u4e2d\u4e0d\u540c\u5927\u5c0f\u7269\u4f53<\/strong>\u7684\u5206\u5272\u95ee\u9898\uff0c<strong>\u589e\u5927\u611f\u53d7\u91ce\u7684\u540c\u65f6\u4fdd\u6301\u5206\u8fa8\u7387<\/strong>\u3002<\/td><td>DeepLab\u7cfb\u5217 (\u8bed\u4e49\u5206\u5272)<\/td><\/tr><tr><td><strong>SAM<\/strong><\/td><td><strong>\u6ce8\u610f\u529b\u673a\u5236<\/strong>\uff0c\u901a\u8fc7<strong>\u901a\u9053\u6ce8\u610f\u529b\u548c\u7a7a\u95f4\u6ce8\u610f\u529b<\/strong>\u4e24\u4e2a\u72ec\u7acb\u7ef4\u5ea6\uff0c\u8ba9\u6a21\u578b\u5173\u6ce8\u91cd\u8981\u7279\u5f81\u3002<\/td><td><strong>\u8f7b\u91cf\u4e14\u901a\u7528<\/strong>\uff0c\u53ef<strong>\u5373\u63d2\u5373\u7528<\/strong>\u5230\u4efb\u4f55CNN\u67b6\u6784\u4e2d\uff0c\u805a\u7126\u5173\u952e\u4fe1\u606f\uff0c\u6291\u5236\u65e0\u5173\u4fe1\u606f\u3002<\/td><td>\u5404\u79cdCNN backbone\u7684\u589e\u5f3a\u6a21\u5757 (\u5982ResNet+SAM)<\/td><\/tr><tr><td><strong>PAN<\/strong><\/td><td><strong>\u589e\u5f3a\u7279\u5f81\u91d1\u5b57\u5854\u7684\u4fe1\u606f\u6d41<\/strong>\uff0c\u5728FPN\u81ea\u9876\u5411\u4e0b\u7684\u57fa\u7840\u4e0a\uff0c<strong>\u589e\u52a0\u81ea\u5e95\u5411\u4e0a\u7684\u4e8c\u6b21\u878d\u5408\u8def\u5f84<\/strong>\u3002<\/td><td><strong>\u52a0\u5f3a\u5e95\u5c42\u5b9a\u4f4d\u4fe1\u606f\u7684\u4f20\u64ad<\/strong>\uff0c<strong>\u7f29\u77ed\u4e86\u4f4e\u5c42\u7279\u5f81\u4e0e\u9876\u5c42\u7279\u5f81\u4e4b\u95f4\u7684\u4fe1\u606f\u8def\u5f84<\/strong>\uff0c\u66f4\u597d\u5730\u878d\u5408\u5b9a\u4f4d\u548c\u8bed\u4e49\u4fe1\u606f\u3002<\/td><td>YOLOv4, YOLOv5\u7b49\u76ee\u6807\u68c0\u6d4b\u6a21\u578b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">3.Detection head\uff1a\u8d1f\u8d23\u68c0\u6d4b\u4e0e\u5b9a\u4f4d\u3002<\/h1>\n\n\n\n<p>\u4e00\u5f20\u56fe\u50cf\uff0c\u5728\u7ecf\u8fc7\u4e86backbone\u548cneck\u4e24\u90e8\u5206\u7684\u5904\u7406\u540e\uff0c<strong>\u5c31\u53ef\u4ee5\u51c6\u5907\u8fdb\u884c\u6700\u7ec8\u7684\u68c0\u6d4b\u4e86<\/strong>\u3002<\/p>\n\n\n\n<p>\u4e5f\u8bb8\u6709\u4eba\u4f1a\u597d\u5947\uff0c\u7ecf\u8fc7\u4e24\u90e8\u5206\u7684\u5904\u7406\u540e\uff0c\u7f51\u7edc\u8f93\u51fa\u7684\u4e1c\u897f\u957f\u4ec0\u4e48\u6837\u5b50\u5462\uff0c\u8fd9\u91cc\uff0c\u7b14\u8005\u5c55\u793a\u4e09\u5f20\u7ecf\u7531ShuffleNet\u548cPAN\u5904\u7406\u540e\u5f97\u5230\u7684\u4e09\u4e2a\u5c3a\u5ea6\u7684\u7279\u5f81\u70ed\u529b\u56fe\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"416\" height=\"416\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061203335.jpg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6783 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061203335.jpg 416w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061203335-300x300.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061203335-150x150.jpg 150w\" sizes=\"auto, (max-width: 416px) 100vw, 416px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"416\" height=\"416\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061203335.jpg\" alt=\"\" class=\"wp-image-6783\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061203335.jpg 416w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061203335-300x300.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061203335-150x150.jpg 150w\" sizes=\"auto, (max-width: 416px) 100vw, 416px\" \/><\/noscript><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"416\" height=\"416\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061209796.jpg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6784 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061209796.jpg 416w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061209796-300x300.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061209796-150x150.jpg 150w\" sizes=\"auto, (max-width: 416px) 100vw, 416px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"416\" height=\"416\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061209796.jpg\" alt=\"\" class=\"wp-image-6784\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061209796.jpg 416w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061209796-300x300.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061209796-150x150.jpg 150w\" sizes=\"auto, (max-width: 416px) 100vw, 416px\" \/><\/noscript><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"416\" height=\"416\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061215922.jpg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6785 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061215922.jpg 416w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061215922-300x300.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061215922-150x150.jpg 150w\" sizes=\"auto, (max-width: 416px) 100vw, 416px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"416\" height=\"416\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061215922.jpg\" alt=\"\" class=\"wp-image-6785\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061215922.jpg 416w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061215922-300x300.jpg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2025\/09\/20250929061215922-150x150.jpg 150w\" sizes=\"auto, (max-width: 416px) 100vw, 416px\" \/><\/noscript><\/figure>\n\n\n\n<p>\u7136\u540e\u662f\u539f\u56fe\uff1a<\/p>\n\n\n\n<p><img decoding=\"async\" class=\"lazyload\"data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/0l8e8dYXFXY5LEwjMHhSS3mh4nOd1JP1TUAyibKwo19Hqjom35OFceLcmOTR8YEGCiaPJMztPSULGG8YM5zvK7zQ\/640?wx_fmt=jpeg&amp;from=appmsg&amp;watermark=1&amp;tp=wxpic&amp;wxfrom=5&amp;wx_lazy=1#imgIndex=12\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\u6458\u53d6\u81eaVOC2007\u6570\u636e\u96c6\"><noscript><img decoding=\"async\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/0l8e8dYXFXY5LEwjMHhSS3mh4nOd1JP1TUAyibKwo19Hqjom35OFceLcmOTR8YEGCiaPJMztPSULGG8YM5zvK7zQ\/640?wx_fmt=jpeg&amp;from=appmsg&amp;watermark=1&amp;tp=wxpic&amp;wxfrom=5&amp;wx_lazy=1#imgIndex=12\" alt=\"\u6458\u53d6\u81eaVOC2007\u6570\u636e\u96c6\"><\/noscript><\/p>\n\n\n\n<p>\u4e0b\u9762\u89e3\u91ca\u8fd9\u4e09\u5f20\u70ed\u529b\u56fe\u662f\u5982\u4f55\u5f97\u5230\u7684\uff0c\u4ee5\u53ca\u5b83\u4eec\u4ee3\u8868\u4e86\u4ec0\u4e48\u3002<\/p>\n\n\n\n<p>\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u5178\u578b\u7684<strong>\u591a\u5c3a\u5ea6\u76ee\u6807\u68c0\u6d4b\u6a21\u578b\uff08\u5982YOLO\u7cfb\u5217\uff09\u7684\u7279\u5f81\u53ef\u89c6\u5316\u7ed3\u679c<\/strong>\u3002\u6574\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u5206\u89e3\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<ol class=\"wp-block-list\">\n<li>\u9aa8\u5e72\u7f51\u7edc (Backbone) \u8fdb\u884c\u7279\u5f81\u63d0\u53d6<\/li>\n<\/ol>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6a21\u578b<\/strong>\uff1a<strong>ShuffleNet<\/strong>\uff08\u4e00\u4e2a\u9ad8\u6548\u7684\u8f7b\u91cf\u7ea7\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff0c\u5e38\u7528\u4e8e\u79fb\u52a8\u7aef\u6216\u9700\u8981\u5b9e\u65f6\u6027\u7684\u573a\u666f\uff09\u3002<\/li>\n\n\n\n<li><strong>\u8f93\u5165<\/strong>\uff1a\u60a8\u7684<strong>\u539f\u56fe<\/strong>\uff08\u7b2c4\u5f20\u56fe\uff0c\u5ba4\u5185\u805a\u9910\u573a\u666f\uff09\u3002<\/li>\n\n\n\n<li><strong>\u8fc7\u7a0b<\/strong>\uff1a\u539f\u56fe\u88ab\u8f93\u5165\u5230ShuffleNet\u4e2d\uff0c\u7f51\u7edc\u50cf\u4e00\u5957\u5c42\u5c42\u9012\u8fdb\u7684\u8fc7\u6ee4\u5668\uff0c\u7531\u6d45\u5165\u6df1\u5730\u63d0\u53d6\u56fe\u50cf\u7279\u5f81\u3002<\/li>\n\n\n\n<li><strong>\u8f93\u51fa<\/strong>\uff1a\u5728\u7f51\u7edc\u7684\u4e0d\u540c\u6df1\u5ea6\uff0c\u4f1a\u81ea\u7136\u5730\u4ea7\u51fa\u4e0d\u540c\u5c3a\u5ea6\u7684\u7279\u5f81\u56fe\u3002\u901a\u5e38\uff0c\u6211\u4eec\u4f1a\u53d6\u5176\u4e2d\u7684\u4e09\u4e2a\u6216\u56db\u4e2a\u5173\u952e\u5c42\u4f5c\u4e3a\u8f93\u51fa\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u6d45\u5c42\u7279\u5f81<\/strong>\u00a0(<code>stride=8<\/code>): \u5206\u8fa8\u7387\u9ad8\uff0c\u5305\u542b\u4e30\u5bcc\u7684<strong>\u7ec6\u8282\u4fe1\u606f<\/strong>\uff08\u5982\u8fb9\u7f18\u3001\u7eb9\u7406\u3001\u89d2\u70b9\uff09\uff0c\u4f46<strong>\u8bed\u4e49\u6027\u4f4e<\/strong>\uff08\u4e0d\u77e5\u9053\u662f\u4ec0\u4e48\u4e1c\u897f\uff09\u3002<\/li>\n\n\n\n<li><strong>\u4e2d\u5c42\u7279\u5f81<\/strong>\u00a0(<code>stride=16<\/code>): \u517c\u987e\u4e86<strong>\u7ec6\u8282\u548c\u8bed\u4e49\u4fe1\u606f<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u6df1\u5c42\u7279\u5f81<\/strong>\u00a0(<code>stride=32<\/code>): \u5206\u8fa8\u7387\u4f4e\uff0c<strong>\u7ec6\u8282\u5927\u91cf\u4e22\u5931<\/strong>\uff0c\u4f46<strong>\u8bed\u4e49\u4fe1\u606f\u975e\u5e38\u4e30\u5bcc<\/strong>\uff08\u80fd\u7406\u89e3\u56fe\u50cf\u4e2d\u6709\u201c\u4eba\u201d\u3001\u201c\u74f6\u5b50\u201d\u3001\u201c\u676f\u5b50\u201d\u7b49\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e09\u5f20\u70ed\u529b\u56fe\uff0c\u6b63\u662f\u5bf9\u5e94\u4e86\u8fd9\u4e09\u4e2a\u5c3a\u5ea6\u7684\u7279\u5f81\u56fe\u7ecf\u8fc7\u540e\u7eed\u5904\u7406\u540e\u7684\u53ef\u89c6\u5316\u7ed3\u679c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u9888\u90e8\u7f51\u7edc (Neck) \u8fdb\u884c\u7279\u5f81\u878d\u5408<\/li>\n<\/ol>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6a21\u578b<\/strong>\uff1a<strong>PAN (Path Aggregation Network)<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u8f93\u5165<\/strong>\uff1aShuffleNet\u9aa8\u5e72\u7f51\u7edc\u8f93\u51fa\u7684\u00a0<code>stride=8, 16, 32<\/code>\u00a0\u7684\u7279\u5f81\u56fe\u3002<\/li>\n\n\n\n<li><strong>\u8fc7\u7a0b<\/strong>\uff1aPAN\u7684\u7ed3\u6784\u975e\u5e38\u5de7\u5999\uff0c\u5b83\u8fdb\u884c\u4e86<strong>\u53cc\u5411\u7684\u7279\u5f81\u878d\u5408<\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li><strong>\u81ea\u9876\u5411\u4e0b (Top-down)<\/strong>\uff1a\u5c06\u6df1\u5c42\u7684\u9ad8\u8bed\u4e49\u7279\u5f81\uff08<code>stride=32<\/code>\uff09\u8fdb\u884c\u4e0a\u91c7\u6837\uff0c\u7136\u540e\u4e0e\u4e2d\u5c42\u7684\u7279\u5f81\uff08<code>stride=16<\/code>\uff09\u8fdb\u884c\u878d\u5408\u3002\u8fd9\u6837\uff0c\u4e2d\u5c42\u7279\u5f81\u5c31\u83b7\u5f97\u4e86\u66f4\u5f3a\u7684\u8bed\u4e49\u4fe1\u606f\u3002<\/li>\n\n\n\n<li><strong>\u81ea\u5e95\u5411\u4e0a (Bottom-up)<\/strong>\uff1a\u5c06\u878d\u5408\u540e\u7684\u4e2d\u5c42\u7279\u5f81\u518d\u8fdb\u884c\u4e0b\u91c7\u6837\uff0c\u4e0e\u66f4\u6d45\u5c42\u7684\u7279\u5f81\uff08<code>stride=8<\/code>\uff09\u8fdb\u884c\u878d\u5408\u3002\u8fd9\u6837\uff0c\u6d45\u5c42\u7684\u9ad8\u5206\u8fa8\u7387\u7279\u5f81\u4e5f\u83b7\u5f97\u4e86\u826f\u597d\u7684\u8bed\u4e49\u4fe1\u606f\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><strong>\u76ee\u7684<\/strong>\uff1a\u7ecf\u8fc7PAN\u5904\u7406\u540e\uff0c<strong>\u6bcf\u4e00\u4e2a\u5c3a\u5ea6\u7684\u7279\u5f81\u56fe\u90fd\u540c\u65f6\u5305\u542b\u4e86\u9ad8\u5206\u8fa8\u7387\u7684\u7ec6\u8282\u4fe1\u606f\u548c\u5f3a\u8bed\u4e49\u4fe1\u606f<\/strong>\u3002\u8fd9\u4f7f\u5f97\u6a21\u578b\u65e0\u8bba\u5728\u54ea\u4e2a\u5c3a\u5ea6\u4e0a\u8fdb\u884c\u9884\u6d4b\uff0c\u90fd\u80fd\u65e2\u201c\u770b\u5f97\u6e05\u201d\uff08\u5b9a\u4f4d\u51c6\uff09\uff0c\u53c8\u201c\u8ba4\u5f97\u61c2\u201d\uff08\u5206\u7c7b\u5bf9\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u8fd9\u4e09\u5f20\u70ed\u529b\u56fe\uff0c\u5c31\u662fPAN\u6a21\u5757\u5904\u7406\u5e76\u8f93\u51fa\u5230\u68c0\u6d4b\u5934\uff08Head\uff09\u4e4b\u524d\u7684\u3001\u4e09\u4e2a\u4e0d\u540c\u5c3a\u5ea6\u7684\u6700\u7ec8\u7279\u5f81\u56fe\u7684\u53ef\u89c6\u5316\u7ed3\u679c\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u70ed\u529b\u56fe\u7684\u542b\u4e49<\/li>\n<\/ol>\n<\/blockquote>\n\n\n\n<p>\u70ed\u529b\u56fe\u4e0a\u7684\u989c\u8272\u4ee3\u8868\u4e86\u8be5\u4f4d\u7f6e<strong>\u7279\u5f81\u6fc0\u6d3b\u7684\u5f3a\u5f31<\/strong>\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u84dd\u8272\/\u7d2b\u8272<\/strong>\uff1a\u8868\u793a<strong>\u4f4e\u6fc0\u6d3b<\/strong>\uff0c\u8be5\u533a\u57df\u7684\u7279\u5f81\u5bf9\u5f53\u524d\u4efb\u52a1\u7684\u54cd\u5e94\u8f83\u5f31\u3002\u901a\u5e38\u5bf9\u5e94\u7684\u662f\u56fe\u50cf\u4e2d\u4e0d\u90a3\u4e48\u91cd\u8981\u7684<strong>\u80cc\u666f\u533a\u57df<\/strong>\uff0c\u5982\u5899\u58c1\u3001\u7a97\u5e18\u3001\u684c\u9762\u7a7a\u767d\u5904\u3002<\/li>\n\n\n\n<li><strong>\u7eff\u8272\/\u9ec4\u8272\/\u7ea2\u8272<\/strong>\uff1a\u8868\u793a<strong>\u9ad8\u6fc0\u6d3b<\/strong>\uff0c\u8be5\u533a\u57df\u7684\u7279\u5f81\u88ab\u5f3a\u70c8\u6fc0\u6d3b\u3002\u901a\u5e38\u5bf9\u5e94\u7684\u662f\u56fe\u50cf\u4e2d\u7684<strong>\u5173\u952e\u76ee\u6807<\/strong>\u6216<strong>\u663e\u8457\u533a\u57df<\/strong>\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u7ed3\u5408\u56fe\u7247\u5206\u6790\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>stride=32<\/code>\u00a0\u7684\u70ed\u529b\u56fe (\u7b2c3\u5f20\u56fe)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5206\u8fa8\u7387\u6700\u4f4e\uff0c\u6700\u7c97\u7cd9\u3002<\/li>\n\n\n\n<li>\u9ec4\u8272\u5757\u96c6\u4e2d\u5728\u4e2d\u4e0b\u90e8\uff0c\u8fd9\u975e\u5e38\u7b26\u5408\u60a8\u7684\u539f\u56fe\uff1a<strong>\u4eba\u7fa4\u548c\u9910\u684c<\/strong>\u6b63\u597d\u4f4d\u4e8e\u753b\u9762\u4e2d\u4e0b\u90e8\u3002\u8fd9\u8868\u660e\u6700\u6df1\u5c42\u7684\u7279\u5f81\u5df2\u7ecf\u51c6\u786e\u5730\u201c\u7406\u89e3\u201d\u4e86\u56fe\u50cf\u4e2d\u6700\u91cd\u8981\u7684\u7269\u4f53\u5927\u81f4\u5206\u5e03\u5728\u4ec0\u4e48\u533a\u57df\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong><code>stride=16<\/code>\u00a0\u7684\u70ed\u529b\u56fe (\u7b2c1, 2\u5f20\u56fe)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5206\u8fa8\u7387\u4e2d\u7b49\u3002<\/li>\n\n\n\n<li>\u9ad8\u6fc0\u6d3b\u533a\u57df\uff08\u7eff\u8272\/\u9ec4\u8272\uff09\u53d8\u5f97\u66f4\u52a0\u5206\u6563\u548c\u6e05\u6670\uff0c\u5df2\u7ecf\u5f00\u59cb\u4ece\u201c\u4e00\u5927\u7247\u201d\u533a\u57df\u4e2d\u5206\u79bb\u51fa<strong>\u591a\u4e2a\u72ec\u7acb\u7684\u6fc0\u6d3b\u70b9<\/strong>\u3002\u8fd9\u5bf9\u5e94\u4e86\u7f51\u7edc\u6b63\u5728\u8bc6\u522b\u51fa<strong>\u591a\u4e2a\u72ec\u7acb\u7684\u7269\u4f53<\/strong>\uff0c\u5982\u4e0d\u540c\u7684\u4eba\u3001\u9910\u76d8\u3001\u74f6\u5b50\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong><code>stride=8<\/code>\u00a0\u7684\u70ed\u529b\u56fe (\u60a8\u6587\u5b57\u4e2d\u63d0\u53ca\uff0c\u4f46\u672a\u63d0\u4f9b\u56fe)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5206\u8fa8\u7387\u6700\u9ad8\uff0c\u6700\u7cbe\u7ec6\u3002<\/li>\n\n\n\n<li>\u9ad8\u6fc0\u6d3b\u533a\u57df\u4f1a\u8fdb\u4e00\u6b65\u7ec6\u5316\uff0c\u751a\u81f3\u53ef\u80fd\u52fe\u52d2\u51fa<strong>\u7269\u4f53\u7684\u8f6e\u5ed3<\/strong>\u3002\u4f8b\u5982\uff0c\u4eba\u7269\u7684\u8fb9\u754c\u3001\u74f6\u5b50\u7684\u5f62\u72b6\u7b49\u4f1a\u53d8\u5f97\u66f4\u52a0\u6e05\u6670\uff0c\u4e3a\u6700\u7ec8\u7684<strong>\u8fb9\u754c\u6846\u7cbe\u51c6\u5b9a\u4f4d<\/strong>\u63d0\u4f9b\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u603b\u7ed3<\/p>\n<\/blockquote>\n\n\n\n<p>\u4e09\u5f20\u70ed\u529b\u56fe\uff0c\u662f\u4e00\u4e2a&nbsp;<strong>\u201cShuffleNet (\u9aa8\u5e72) + PAN (\u9888\u90e8)\u201d<\/strong>&nbsp;\u7ed3\u6784\u7684\u76ee\u6807\u68c0\u6d4b\u6a21\u578b\u7684\u5de5\u4f5c\u539f\u7406\u53ef\u89c6\u5316\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>ShuffleNet<\/strong>\u00a0\u4ece\u539f\u56fe\u4e2d\u63d0\u53d6\u4e86\u4e09\u79cd\u4e0d\u540c\u62bd\u8c61\u7a0b\u5ea6\u7684\u7279\u5f81\uff08\u6d45\u3001\u4e2d\u3001\u6df1\uff09\u3002<\/li>\n\n\n\n<li><strong>PAN<\/strong>\u00a0\u901a\u8fc7\u590d\u6742\u7684\u4e0a\u4e0b\u878d\u5408\u8def\u5f84\uff0c\u8ba9\u8fd9\u4e09\u79cd\u7279\u5f81\u4e92\u76f8\u589e\u5f3a\uff0c\u6700\u7ec8\u4f7f\u5f97\u6bcf\u4e2a\u5c3a\u5ea6\u7684\u7279\u5f81\u90fd\u201c\u53c8\u6e05\u6670\u53c8\u61c2\u8bed\u4e49\u201d\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e9b\u878d\u5408\u540e\u7684\u7279\u5f81\u88ab\u9001\u5230\u68c0\u6d4b\u5934\uff08Head\uff09\u53bb<strong>\u9884\u6d4b\u7269\u4f53\u7684\u5177\u4f53\u4f4d\u7f6e\uff08\u8fb9\u754c\u6846\uff09\u548c\u7c7b\u522b<\/strong>\u3002<\/li>\n\n\n\n<li>\u70ed\u529b\u56fe\u7684\u989c\u8272\u663e\u793a\u4e86\u7f51\u7edc<strong>\u5173\u6ce8\u7684\u7126\u70b9<\/strong>\uff0c\u6696\u8272\u533a\u57df\u5c31\u662f\u5b83\u8ba4\u4e3a\u201c\u6709\u91cd\u8981\u7269\u4f53\u201d\u7684\u5730\u65b9\u3002\u4ece\u00a0<code>stride=32<\/code>\u00a0\u5230\u00a0<code>stride=8<\/code>\uff0c\u7f51\u7edc\u7684\u5173\u6ce8\u70b9\u4ece<strong>\u7c97\u7c92\u5ea6\u7684\u7269\u4f53\u533a\u57df<\/strong>\u9010\u6b65\u7ec6\u5316\u5230<strong>\u7ec6\u7c92\u5ea6\u7684\u7269\u4f53\u8f6e\u5ed3\u548c\u4f4d\u7f6e<\/strong>\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u4f18\u7f8e\u4e14\u9ad8\u6548\u7684\u8fc7\u7a0b\uff0c\u4e5f\u662f\u73b0\u4ee3\u76ee\u6807\u68c0\u6d4b\u6280\u672f\u7684\u6838\u5fc3\u601d\u60f3\u4e4b\u4e00\u3002<\/p>\n\n\n\n<p>\u968f\u540e\uff0c\u5728\u8fd9\u6837\u7684\u7279\u5f81\u56fe\u4e0a\uff0c\u901a\u8fc7\u6dfb\u52a0\u51e0\u5c42\u5377\u79ef\u5373\u53ef\u8fdb\u884c\u8bc6\u522b\u548c\u5b9a\u4f4d\u3002<strong>Detection head\u5e76\u4e0d\u50cf\u524d\u4e24\u90e8\u5206\u90a3\u6837\uff0c\u6709\u90a3\u4e48\u591a\u7684\u8bf4\u9053\u548c\u81ea\u7531\u53d1\u6325\u7684\u7a7a\u95f4<\/strong>\uff0c\u8fd9\u4e00\u90e8\u5206\u901a\u5e38\u5c31\u662f<strong>\u666e\u901a\u7684\u5377\u79ef<\/strong>\uff0c\u5982\u4e0b\u56fe\u7684RetinaNet\uff1a<img decoding=\"async\" class=\"lazyload\"alt=\"RetinaNet\u7684\u7f51\u7edc\u7ed3\u6784\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/0l8e8dYXFXY5LEwjMHhSS3mh4nOd1JP1XjMsx1MQgic9d6SQxMUviaT514Tico8V1twBXGCVGYQLxgNFZ1npFUv3w\/640?wx_fmt=jpeg&amp;from=appmsg&amp;watermark=1&amp;tp=wxpic&amp;wxfrom=5&amp;wx_lazy=1#imgIndex=13\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"><noscript><img decoding=\"async\" alt=\"RetinaNet\u7684\u7f51\u7edc\u7ed3\u6784\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/0l8e8dYXFXY5LEwjMHhSS3mh4nOd1JP1XjMsx1MQgic9d6SQxMUviaT514Tico8V1twBXGCVGYQLxgNFZ1npFUv3w\/640?wx_fmt=jpeg&amp;from=appmsg&amp;watermark=1&amp;tp=wxpic&amp;wxfrom=5&amp;wx_lazy=1#imgIndex=13\"><\/noscript><\/p>\n\n\n\n<p>\u8fd9\u5f20\u56fe\u975e\u5e38\u7ecf\u5178\uff0c\u5b83\u6e05\u6670\u5730\u5c55\u793a\u4e86 RetinaNet \u8fd9\u4e2a\u5355\u9636\u6bb5\u76ee\u6807\u68c0\u6d4b\u5668\uff08One-Stage Detector\uff09 \u7684\u6838\u5fc3\u67b6\u6784\u3002<\/p>\n\n\n\n<p>RetinaNet\u7684\u6838\u5fc3\u8d21\u732e\u9664\u4e86\u8fd9\u4e2a\u7ed3\u6784\uff0c\u66f4\u91cd\u8981\u7684\u662f\u63d0\u51fa\u4e86 Focal Loss\uff0c\u89e3\u51b3\u4e86\u5355\u9636\u6bb5\u68c0\u6d4b\u5668\u4e2d\u6b63\u8d1f\u6837\u672c\u6781\u4e0d\u5e73\u8861\u7684\u95ee\u9898\uff0c\u4ece\u800c\u5728\u4fdd\u6301\u9ad8\u901f\u7684\u540c\u65f6\u8fbe\u5230\u4e86\u5ab2\u7f8e\u4e24\u9636\u6bb5\u6a21\u578b\u7684\u7cbe\u5ea6\u3002<\/p>\n\n\n\n<p>\u4e3b\u8981\u5173\u6ce8\u7684&nbsp;<strong>\u201c\u4e09\u6761\u5e76\u884c\u7684\u5206\u652f\u201d<\/strong>&nbsp;\u8fd9\u4e2a\u63cf\u8ff0\u9700\u8981\u7a0d\u5fae\u4fee\u6b63\u4e00\u4e0b\uff0c\u4ee5\u4fbf\u66f4\u51c6\u786e\u5730\u7406\u89e3\u3002\u66f4\u51c6\u786e\u7684\u63cf\u8ff0\u662f\uff1a<strong>RetinaNet \u4e3a FPN \u8f93\u51fa\u7684\u6bcf\u4e00\u4e2a\u5c3a\u5ea6\u7684\u7279\u5f81\u56fe\uff0c\u90fd\u914d\u5907\u4e86\u4e24\u4e2a\u72ec\u7acb\u7684\u3001\u7ed3\u6784\u76f8\u540c\u7684\u5e76\u884c\u5b50\u7f51\u7edc\uff08\u5206\u652f\uff09<\/strong>\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u6211\u4eec\u6765\u5206\u90e8\u5206\u8be6\u7ec6\u89e3\u8bfb\u56fe\u4e2d\u7684\u56db\u4e2a\u6a21\u5757&nbsp;<code>(a), (b), (c), (d)<\/code>\uff1a<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83e\udde9 \u56fe (a): Backbone\uff08\u9aa8\u5e72\u7f51\u7edc\uff09 - \u7279\u5f81\u63d0\u53d6\u5668<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u662f\u4ec0\u4e48<\/strong>\uff1a\u901a\u5e38\u662f\u00a0<strong>ResNet<\/strong>\u3002\u5b83\u7684\u4efb\u52a1\u662f\u5145\u5f53\u201c\u7279\u5f81\u63d0\u53d6\u5668\u201d\u3002<\/li>\n\n\n\n<li><strong>\u505a\u4ec0\u4e48<\/strong>\uff1a\u63a5\u6536\u8f93\u5165\u56fe\u50cf\uff0c\u5e76\u9010\u5c42\u5377\u79ef\u3001\u4e0b\u91c7\u6837\uff0c\u63d0\u53d6\u51fa\u4ece\u4f4e\u5230\u9ad8\u4e0d\u540c\u5c42\u6b21\u7684\u7279\u5f81\u3002<\/li>\n\n\n\n<li><strong>\u8f93\u51fa\u4ec0\u4e48<\/strong>\uff1a\u5b83\u4f1a\u8f93\u51fa<strong>\u591a\u4e2a\u4e0d\u540c\u5c3a\u5ea6<\/strong>\u7684\u7279\u5f81\u56fe\uff08\u901a\u5e38\u53d6\u81ea\u4e0d\u540c\u6df1\u5ea6\u7684\u5c42\uff0c\u5982\u56fe\u4e2d\u53ef\u80fd\u6807\u6ce8\u7684 C3, C4, C5\uff09\u3002\u8fd9\u4e9b\u7279\u5f81\u56fe\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u6d45\u5c42<\/strong>\uff08\u5982C3\uff09\uff1a\u5206\u8fa8\u7387\u9ad8\uff0c\u5305\u542b\u4e30\u5bcc\u7684<strong>\u7ec6\u8282\u4fe1\u606f<\/strong>\uff08\u5982\u8fb9\u7f18\u3001\u89d2\u843d\uff09\uff0c\u5229\u4e8e<strong>\u5c0f\u7269\u4f53\u68c0\u6d4b\u548c\u7cbe\u786e\u5b9a\u4f4d<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u6df1\u5c42<\/strong>\uff08\u5982C5\uff09\uff1a\u5206\u8fa8\u7387\u4f4e\uff0c<strong>\u611f\u53d7\u91ce\u5927<\/strong>\uff0c\u5305\u542b\u4e30\u5bcc\u7684<strong>\u8bed\u4e49\u4fe1\u606f<\/strong>\uff08\u80fd\u5224\u65ad\u51fa\u201c\u8fd9\u662f\u4e00\u4e2a\u4eba\u201d\u3001\u201c\u8fd9\u662f\u4e00\u4e2a\u676f\u5b50\u201d\uff09\uff0c\u4f46\u7ec6\u8282\u4e22\u5931\u4e25\u91cd\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83e\udde9 \u56fe (b): FPN\uff08\u7279\u5f81\u91d1\u5b57\u5854\u7f51\u7edc\uff09 - \u7279\u5f81\u878d\u5408\u4e0e\u591a\u5c3a\u5ea6\u5904\u7406<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u662f\u4ec0\u4e48<\/strong>\uff1a<strong>Feature Pyramid Network<\/strong>\uff0c\u662f\u76ee\u6807\u68c0\u6d4b\u9886\u57df\u7684\u91cc\u7a0b\u7891\u5f0f\u6a21\u5757\u3002<\/li>\n\n\n\n<li><strong>\u505a\u4ec0\u4e48<\/strong>\uff1a\u89e3\u51b3\u76ee\u6807<strong>\u5c3a\u5ea6\u4e0d\u4e00<\/strong>\u7684\u96be\u9898\u3002\u5b83\u63a5\u6536Backbone\u8f93\u51fa\u7684\u591a\u5c3a\u5ea6\u7279\u5f81\uff0c\u5e76\u901a\u8fc7<strong>\u81ea\u4e0a\u800c\u4e0b\uff08Top-Down\uff09\u7684\u4e0a\u91c7\u6837\u8def\u5f84\u548c\u6a2a\u5411\u8fde\u63a5\uff08Lateral Connection\uff09<\/strong>\uff0c\u5c06\u6df1\u5c42\u7684\u5f3a\u8bed\u4e49\u4fe1\u606f\u4e0e\u6d45\u5c42\u7684\u9ad8\u5206\u8fa8\u7387\u7ec6\u8282\u4fe1\u606f\u8fdb\u884c\u878d\u5408\u3002<\/li>\n\n\n\n<li><strong>\u8f93\u51fa\u4ec0\u4e48<\/strong>\uff1a\u8f93\u51fa\u4e00\u5957\u65b0\u7684\u3001<strong>\u591a\u5c3a\u5ea6\u7684\u7279\u5f81\u91d1\u5b57\u5854<\/strong>\uff08\u5982\u56fe\u4e2d\u6807\u6ce8\u7684 P3, P4, P5, P6, P7\uff09\u3002<strong>\u8fd9\u4e2a\u91d1\u5b57\u5854\u7684\u6bcf\u4e00\u5c42\u90fd\u5177\u6709\u5f3a\u8bed\u4e49\u4fe1\u606f\uff0c\u4f46\u5206\u8fa8\u7387\uff08\u5c3a\u5ea6\uff09\u4e0d\u540c<\/strong>\u3002\n<ul class=\"wp-block-list\">\n<li><strong>P3\/P4<\/strong>\uff08\u8f83\u9ad8\u5206\u8fa8\u7387\uff09\uff1a\u66f4\u9002\u5408\u68c0\u6d4b<strong>\u4e2d\u5c0f\u7269\u4f53<\/strong>\u3002<\/li>\n\n\n\n<li><strong>P5\/P6\/P7<\/strong>\uff08\u8f83\u4f4e\u5206\u8fa8\u7387\uff09\uff1a\u66f4\u9002\u5408\u68c0\u6d4b<strong>\u4e2d\u5927\u7269\u4f53<\/strong>\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u91cd\u8981\u6027<\/strong>\uff1aFPN \u4f7f\u5f97\u6a21\u578b\u53ea\u9700\u8981\u4e00\u5957\u68c0\u6d4b\u5934\uff0c\u5c31\u80fd\u9ad8\u6548\u5730\u5904\u7406\u6240\u6709\u5c3a\u5ea6\u7684\u7269\u4f53\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83e\udde9 \u56fe (c) &amp; (d): Detection Head\uff08\u68c0\u6d4b\u5934\uff09 - \u6838\u5fc3\u9884\u6d4b\u90e8\u5206<\/p>\n<\/blockquote>\n\n\n\n<p>Detection Head \u4e0d\u662f\u4e00\u4e2a\uff0c\u800c\u662f<strong>\u4e00\u5957\u5171\u4eab\u7684\u3001\u8f7b\u91cf\u7ea7\u7684\u5b50\u7f51\u7edc<\/strong>\uff0c\u5b83\u4f1a\u88ab<strong>\u5e94\u7528\u5230 FPN \u8f93\u51fa\u7684\u6bcf\u4e00\u4e2a\u5c42\u7ea7\uff08P3-P7\uff09\u4e0a<\/strong>\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e&nbsp;<strong>\u6bcf\u4e2a\u5c42\u7ea7<\/strong>&nbsp;\u7684\u7279\u5f81\u56fe\uff0c\u68c0\u6d4b\u5934\u90fd\u4f1a\u6267\u884c\u4ee5\u4e0b<strong>\u4e24\u6761\u5e76\u884c\u7684\u5206\u652f<\/strong>\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<ol class=\"wp-block-list\">\n<li>\u56fe (c): Classification Subnet\uff08\u5206\u7c7b\u5b50\u7f51\u7edc\uff09<\/li>\n<\/ol>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4efb\u52a1<\/strong>\uff1a\u9884\u6d4b<strong>\u6bcf\u4e2a\u951a\u70b9\uff08Anchor\uff09\u4f4d\u7f6e<\/strong>\u4e0a\u662f\u5426\u5b58\u5728\u7269\u4f53\uff0c\u4ee5\u53ca\u8fd9\u4e2a\u7269\u4f53\u5c5e\u4e8e<strong>\u54ea\u4e2a\u7c7b\u522b<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u7ed3\u6784<\/strong>\uff1a\u5982\u56fe\u6240\u8bf4\uff0c\u7531\u00a0<strong>4 \u5c42\u666e\u901a\u7684 3x3 \u5377\u79ef\u5c42<\/strong>\u5806\u53e0\u800c\u6210\uff0c\u6bcf\u5c42\u90fd\u914d\u6709 ReLU \u6fc0\u6d3b\u51fd\u6570\u3002<strong>\u6700\u540e\u518d\u7528\u4e00\u4e2a 3x3 \u5377\u79ef\uff08\u5176\u8f93\u51fa\u901a\u9053\u6570\u4e3a\u00a0<code>num_anchors * num_classes<\/code>\uff09<\/strong>\u00a0\u8f93\u51fa\u6700\u7ec8\u7684\u5206\u7c7b\u9884\u6d4b\u3002<\/li>\n\n\n\n<li><strong>\u8f93\u51fa<\/strong>\uff1a\u5bf9\u4e8e\u7279\u5f81\u56fe\u4e0a\u7684\u6bcf\u4e00\u4e2a\u70b9\uff08\u5bf9\u5e94\u539f\u56fe\u7684\u4e00\u7247\u533a\u57df\uff09\uff0c\u5b83\u4f1a\u8f93\u51fa\u00a0<code>K * A<\/code>\u00a0\u4e2a\u503c\uff08K\u662f\u7c7b\u522b\u6570\uff0cA\u662f\u951a\u6846\u6570\u91cf\uff09\uff0c\u901a\u5e38\u7ecf\u8fc7 Sigmoid \u6fc0\u6d3b\u540e\u8868\u793a\u6bcf\u4e2a\u951a\u6846\u5185\u662f\u5404\u7c7b\u522b\u7684\u6982\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u56fe (d): Box Regression Subnet\uff08\u8fb9\u754c\u6846\u56de\u5f52\u5b50\u7f51\u7edc\uff09<\/li>\n<\/ol>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4efb\u52a1<\/strong>\uff1a\u9884\u6d4b<strong>\u6bcf\u4e2a\u951a\u70b9\uff08Anchor\uff09\u4f4d\u7f6e<\/strong>\u4e0a\uff0c\u5176\u951a\u6846\uff08Anchor Box\uff09\u9700\u8981\u5982\u4f55<strong>\u5fae\u8c03\uff08\u504f\u79fb\uff09<\/strong>\uff0c\u624d\u80fd\u66f4\u7cbe\u786e\u5730\u5339\u914d\u5230\u771f\u5b9e\u7269\u4f53\u7684\u8fb9\u754c\u6846\u3002<\/li>\n\n\n\n<li><strong>\u7ed3\u6784<\/strong>\uff1a<strong>\u4e0e\u5206\u7c7b\u5b50\u7f51\u7edc\u5b8c\u5168\u4e00\u6837<\/strong>\uff01\u4e5f\u662f\u7531\u00a0<strong>4 \u5c42\u666e\u901a\u7684 3x3 \u5377\u79ef\u5c42<\/strong>\u5806\u53e0\u800c\u6210\u3002<strong>\u6700\u540e\u7528\u4e00\u4e2a 3x3 \u5377\u79ef\uff08\u5176\u8f93\u51fa\u901a\u9053\u6570\u4e3a\u00a0<code>num_anchors * 4<\/code>\uff09<\/strong>\u00a0\u8f93\u51fa\u6700\u7ec8\u7684\u56de\u5f52\u9884\u6d4b\u3002<code>4<\/code>\u00a0\u4ee3\u8868\u8fb9\u754c\u6846\u7684\u56db\u4e2a\u504f\u79fb\u91cf\uff08\u901a\u5e38\u662f\u00a0<code>[dx, dy, dw, dh]<\/code>\uff09\u3002<\/li>\n\n\n\n<li><strong>\u8f93\u51fa<\/strong>\uff1a\u5bf9\u4e8e\u7279\u5f81\u56fe\u4e0a\u7684\u6bcf\u4e00\u4e2a\u70b9\uff0c\u5b83\u4f1a\u8f93\u51fa\u00a0<code>A * 4<\/code>\u00a0\u4e2a\u503c\uff0c\u8868\u793a\u6bcf\u4e2a\u951a\u6846\u9700\u8981\u8c03\u6574\u7684\u504f\u79fb\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83d\udd01 \u6574\u4f53\u5de5\u4f5c\u6d41\u7a0b\u603b\u7ed3<\/p>\n<\/blockquote>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8f93\u5165<\/strong>\uff1a\u4e00\u5f20\u56fe\u7247\u8f93\u5165\u00a0<strong>Backbone (a)<\/strong>\uff0c\u5f97\u5230\u591a\u5c42\u7279\u5f81\u3002<\/li>\n\n\n\n<li><strong>\u878d\u5408<\/strong>\uff1a\u8fd9\u4e9b\u7279\u5f81\u9001\u5165\u00a0<strong>FPN (b)<\/strong>\uff0c\u751f\u6210\u878d\u5408\u4e86\u8bed\u4e49\u548c\u7ec6\u8282\u7684\u591a\u5c3a\u5ea6\u7279\u5f81\u91d1\u5b57\u5854\u00a0<code>[P3, P4, P5, P6, P7]<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u9884\u6d4b<\/strong>\uff1a<strong>\u5bf9\u4e8e\u91d1\u5b57\u5854\u7684\u6bcf\u4e00\u5c42\uff08\u5982P3\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5c06\u5176\u5206\u522b\u8f93\u5165<strong>\u5206\u7c7b\u5b50\u7f51 (c)<\/strong>\u00a0\u548c<strong>\u56de\u5f52\u5b50\u7f51 (d)<\/strong>\u3002<\/li>\n\n\n\n<li>\u4e24\u4e2a\u5b50\u7f51\u5171\u4eab\u76f8\u540c\u7684\u8f93\u5165\uff0c\u4f46<strong>\u5404\u81ea\u8fdb\u884c\u524d\u5411\u4f20\u64ad\uff0c\u4e92\u4e0d\u5e72\u6270\uff08\u5e76\u884c\uff09<\/strong>\uff0c\u5206\u522b\u8f93\u51fa\u8be5\u7c7b\u522b\u7684\u5206\u7c7b\u7ed3\u679c\u548c\u8fb9\u754c\u6846\u7684\u504f\u79fb\u91cf\u9884\u6d4b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6c47\u603b<\/strong>\uff1a\u5c06\u6240\u6709\u5c42\u7ea7\u7684\u6240\u6709\u9884\u6d4b\u7ed3\u679c\u6c47\u603b\u8d77\u6765\uff0c\u7ecf\u8fc7\u540e\u5904\u7406\uff08\u5982\u975e\u6781\u5927\u503c\u6291\u5236 NMS\uff09\uff0c\u5f97\u5230\u6700\u7ec8\u7684\u68c0\u6d4b\u7ed3\u679c\uff08\u7c7b\u522b + \u8fb9\u754c\u6846\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83d\udca1 \u6838\u5fc3\u8981\u70b9<\/p>\n<\/blockquote>\n\n\n\n<ul 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