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ROI\u6536\u96c6\u5668\uff0c\u901a\u8fc7\u5efa\u7acbROI\u8f66\u9053\u7279\u5f81\u4e0e\u6574\u4e2a\u7279\u5f81\u56fe\u4e4b\u95f4\u7684\u5173\u7cfb\u6765\u6355\u83b7\u66f4\u591a\u7684\u5168\u5c40\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002\u6b64\u5916\uff0c\u8fd8\u5b9a\u4e49\u4e86\u8f66\u9053\u7ebf\u7684\u4ea4\u5e76\u6bd4 IoU\uff0c\u5e76\u63d0\u51fa Line IoU (LIoU) \u635f\u5931\uff0c\u5c06\u8f66\u9053\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u5355\u5143\u8fdb\u884c\u56de\u5f52\uff0c\u4e0e\u6807\u51c6\u635f\u5931\uff08\u5373 smooth-l1 \u635f\u5931\uff09\u76f8\u6bd4\uff0c\u663e\u7740\u63d0\u9ad8\u4e86\u6027\u80fd\u3002<\/p>\n<p><img data-dominant-color=\"f3ece6\" data-has-transparency=\"false\" style=\"--dominant-color: #f3ece6;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-19254\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/666f93c2493db0f98dc96982df5ec4f2eb0dfc-1.png\" width=\"1080\" height=\"339\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/666f93c2493db0f98dc96982df5ec4f2eb0dfc-1.png 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/666f93c2493db0f98dc96982df5ec4f2eb0dfc-1-300x94.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/666f93c2493db0f98dc96982df5ec4f2eb0dfc-1-1024x321.png 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/666f93c2493db0f98dc96982df5ec4f2eb0dfc-1-150x47.png 150w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/666f93c2493db0f98dc96982df5ec4f2eb0dfc-1-768x241.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<p>\u56fe 2. CLRNet \u6982\u8ff0<\/p>\n<p>\u5982\u4e0a\u56fe\u8868\u793a\u4e86\u672c\u6587\u4ecb\u7ecd\u7684CLRNet\u7b97\u6cd5\u8fdb\u884c\u8f66\u9053\u7ebfIoU\u5904\u7406\u7684\u6574\u4e2a\u524d\u7aef\u7f51\u7edc\u3002\u5176\u4e2d\uff0c\u56fe(a)\u7f51\u7edc\u4ece FPN \u7ed3\u6784\u751f\u6210\u7279\u5f81\u56fe\u3002\u968f\u540e\uff0c\u6bcf\u4e2a\u8f66\u9053\u5148\u9a8c\u5c06\u4ece\u9ad8\u7ea7\u7279\u5f81\u7ec6\u5316\u4e3a\u4f4e\u7ea7\u7279\u5f81\u3002\u56fe(b)\u8868\u793a\u6bcf\u4e2a\u5934\u5c06\u5229\u7528\u66f4\u591a\u4e0a\u4e0b\u6587\u4fe1\u606f\u4e3a\u8f66\u9053\u83b7\u53d6\u5148\u9a8c\u7279\u5f81\u3002\u56fe(c)\u5219\u8868\u793a\u8f66\u9053\u5148\u9a8c\u7684\u5206\u7c7b\u548c\u56de\u5f52\u3002\u800c\u672c\u6587\u6240\u63d0\u51fa\u7684 Line IoU \u635f\u5931\u6709\u52a9\u4e8e\u8fdb\u4e00\u6b65\u63d0\u9ad8\u56de\u5f52\u6027\u80fd\u3002<\/p>\n<p>\u5982\u4e0b\u5c06\u66f4\u52a0\u8be6\u7ec6\u8bf4\u660e\u672c\u6587\u4ecb\u7ecd\u7684\u7b97\u6cd5\u5de5\u4f5c\u8fc7\u7a0b\u3002<\/p>\n<p><strong>1\u3001\u8f66\u9053\u7f51\u7edc\u8868\u793a<\/strong><\/p>\n<p>\u4f17\u6240\u5468\u77e5\uff0c\u5b9e\u9645\u9053\u8def\u4e2d\u7684\u8f66\u9053\u53c8\u7ec6\u53c8\u957f\uff0c\u8fd9\u79cd\u7279\u5f81\u8868\u793a\u662f\u5177\u6709\u5f88\u5f3a\u7684\u5f62\u72b6\u5148\u9a8c\u4fe1\u606f\u7684\uff0c\u56e0\u6b64\u9884\u5b9a\u4e49\u7684\u8f66\u9053\u5148\u9a8c\u53ef\u4ee5\u5e2e\u52a9\u7f51\u7edc\u66f4\u597d\u5730\u5b9a\u4f4d\u8f66\u9053\u3002\u5728\u5e38\u89c4\u7684\u76ee\u6807\u68c0\u6d4b\u4e2d\uff0c\u76ee\u6807\u7531\u77e9\u5f62\u6846\u8868\u793a\u3002\u7136\u800c\uff0c\u65e0\u8bba\u4f55\u79cd\u77e9\u5f62\u6846\u5374\u5e76\u4e0d\u9002\u5408\u8868\u793a\u957f\u7ebf\u3002\u8fd9\u91cc\u4f7f\u7528\u7b49\u8ddd\u7684\u4e8c\u7ef4\u70b9\u4f5c\u4e3a\u8f66\u9053\u8868\u793a\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u8f66\u9053\u8868\u793a\u4e3a\u70b9\u5e8f\u5217\uff0c\u5373 P = {(x1, y1), \u00b7\u00b7\u00b7,(xN , yN )}\u3002\u70b9\u7684 y \u5750\u6807\u5728\u56fe\u50cf\u5782\u76f4\u65b9\u5411\u4e0a\u5747\u5300\u91c7\u6837\uff0c\u5373<img decoding=\"async\" title=\"\u56fe\u7247\" src=\"https:\/\/s8.51cto.com\/oss\/202403\/08\/462741779fae4ba46ac202c49b72c71cc901cb.png\" alt=\"\u56fe\u7247\" data-type=\"inline\" \/>\uff0c\u5176\u4e2d H \u662f\u56fe\u50cf\u9ad8\u5ea6\u3002\u56e0\u6b64\uff0cx\u5750\u6807\u4e0e\u76f8\u5e94\u7684<img decoding=\"async\" title=\"\u56fe\u7247\" src=\"https:\/\/s9.51cto.com\/oss\/202403\/08\/966297699f77f795d65699d430bc179431c76a.png\" alt=\"\u56fe\u7247\" data-type=\"inline\" \/>\u76f8\u5173\u8054\uff0c\u8fd9\u91cc\u5c06\u8fd9\u79cd\u8868\u793a\u79f0\u4e3a Lane \u4f18\u5148\u3002\u6bcf\u4e2a\u8f66\u9053\u5148\u9a8c\u5c06\u7531\u7f51\u7edc\u9884\u6d4b\uff0c\u5e76\u7531\u56db\u4e2a\u90e8\u5206\u7ec4\u6210\uff1a<\/p>\n<p>(1)\u00a0\u524d\u666f\u548c\u80cc\u666f\u6982\u7387\u3002<\/p>\n<p>(2) \u8f66\u9053\u957f\u5ea6\u4f18\u5148\u3002<\/p>\n<p>(3) \u8f66\u9053\u7ebf\u7684\u8d77\u70b9\u4e0e\u5148\u9a8c\u8f66\u9053\u7684 x \u8f74\u4e4b\u95f4\u7684\u89d2\u5ea6\uff08\u79f0\u4e3a x\u3001y \u548c \u03b8\uff09\u3002<\/p>\n<p>(4) N \u4e2a\u504f\u79fb\u91cf\uff0c\u5373\u9884\u6d4b\u4e0e\u5176\u771f\u5b9e\u503c\u4e4b\u95f4\u7684\u6c34\u5e73\u8ddd\u79bb\u3002<\/p>\n<p><strong>2\u3001\u8de8\u5c42\u7ec6\u5316\u52a8\u673a<\/strong><\/p>\n<p>\u5728\u795e\u7ecf\u7f51\u7edc\u4e2d\uff0c\u6df1\u5c42\u7684\u9ad8\u7ea7\u7279\u5f81\u5bf9\u5177\u6709\u66f4\u591a\u8bed\u4e49\u7279\u5f81\u7684\u9053\u8def\u76ee\u6807\u8868\u73b0\u51fa\u66f4\u5f3a\u70c8\u7684\u53cd\u9988\uff0c\u800c\u6d45\u5c42\u7684\u4f4e\u7ea7\u7279\u5f81\u5219\u5177\u6709\u66f4\u591a\u7684\u5c40\u90e8\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002\u7b97\u6cd5\u5141\u8bb8\u8f66\u9053\u5bf9\u8c61\u8bbf\u95ee\u9ad8\u7ea7\u7279\u5f81\u53ef\u4ee5\u5e2e\u52a9\u5229\u7528\u66f4\u6709\u7528\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4f8b\u5982\u533a\u5206\u8f66\u9053\u7ebf\u6216\u5730\u6807\u3002\u540c\u65f6\uff0c\u7cbe\u7ec6\u7684\u7ec6\u8282\u7279\u5f81\u6709\u52a9\u4e8e\u4ee5\u9ad8\u5b9a\u4f4d\u7cbe\u5ea6\u68c0\u6d4b\u8f66\u9053\u3002\u5728\u5bf9\u8c61\u68c0\u6d4b\u4e2d\uff0c\u5b83\u6784\u5efa\u7279\u5f81\u91d1\u5b57\u5854\u4ee5\u5229\u7528ConvNet\u7279\u5f81\u5c42\u6b21\u7ed3\u6784\u7684\u91d1\u5b57\u5854\u5f62\u72b6\uff0c\u5e76\u5c06\u4e0d\u540c\u5c3a\u5ea6\u7684\u5bf9\u8c61\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u91d1\u5b57\u5854\u7ea7\u522b\u3002\u7136\u800c\uff0c\u5f88\u96be\u76f4\u63a5\u5c06\u4e00\u6761\u8f66\u9053\u4ec5\u5206\u914d\u7ed9\u4e00\u4e2a\u7ea7\u522b\uff0c\u56e0\u4e3a\u9ad8\u7ea7\u548c\u4f4e\u7ea7\u529f\u80fd\u5bf9\u4e8e\u8f66\u9053\u90fd\u81f3\u5173\u91cd\u8981\u3002\u53d7 Cascade RCNN\u7684\u542f\u53d1\uff0c\u53ef\u4ee5\u5c06\u8f66\u9053\u5bf9\u8c61\u5206\u914d\u7ed9\u6240\u6709\u7ea7\u522b\uff0c\u5e76\u6309\u987a\u5e8f\u6765\u68c0\u6d4b\u5404\u4e2a\u8f66\u9053\u3002<\/p>\n<p>\u7279\u522b\u662f\uff0c\u53ef\u4ee5\u68c0\u6d4b\u5177\u6709\u9ad8\u7ea7\u7279\u5f81\u7684\u8f66\u9053\uff0c\u4ee5\u7c97\u7565\u5730\u5b9a\u4f4d\u8f66\u9053\u3002\u6839\u636e\u68c0\u6d4b\u5230\u7684\u5df2\u77e5\u8f66\u9053\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u66f4\u8be6\u7ec6\u7684\u7279\u5f81\u6765\u7ec6\u5316\u5b83\u4eec\u3002<\/p>\n<p><strong>3\u3001\u7ec6\u5316\u7ed3\u6784<\/strong><\/p>\n<p>\u6574\u4e2a\u7b97\u6cd5\u7684\u76ee\u6807\u662f\u5229\u7528 ConvNet \u7684\u91d1\u5b57\u5854\u7279\u5f81\u5c42\u6b21\u7ed3\u6784\uff08\u5177\u6709\u4ece\u4f4e\u7ea7\u5230\u9ad8\u7ea7\u7684\u8bed\u4e49\uff09\uff0c\u5e76\u6784\u5efa\u4e00\u4e2a\u59cb\u7ec8\u5177\u6709\u9ad8\u7ea7\u8bed\u4e49\u7684\u7279\u5f81\u91d1\u5b57\u5854\u3002\u4ee5\u6b8b\u5dee\u7f51\u7edcResNet\u4f5c\u4e3a\u4e3b\u5e72\uff0c\u4f7f\u7528{L0, L1, L2}\u8868\u793a FPN \u751f\u6210\u7684\u7279\u5f81\u7ea7\u522b\u3002<\/p>\n<p>\u5982\u56fe2\u6240\u793a\uff0c\u8de8\u5c42\u7ec6\u5316\u662f\u4ece\u6700\u9ad8\u7ea7\u522bL0\u5f00\u59cb\u7684\uff0c\u4e14\u9010\u6e10\u63a5\u8fd1L2\u3002\u901a\u8fc7\u4f7f\u7528{R0,R1,R2}\u6765\u8868\u793a\u76f8\u5e94\u7684\u7ec6\u5316\u3002\u7136\u540e\u53ef\u4ee5\u7ee7\u7eed\u6784\u5efa\u4e00\u7cfb\u5217\u7684\u7ec6\u5316\u7ed3\u6784\uff1a<\/p>\n<p><img decoding=\"async\" title=\"\u56fe\u7247\" src=\"https:\/\/s4.51cto.com\/oss\/202403\/08\/847a5ac7676452c4e47882ca19e8dce053ad3f.png\" alt=\"\u56fe\u7247\" data-type=\"inline\" \/><\/p>\n<p>\u5176\u4e2d t = 1, \u00b7 \u00b7 \u00b7 , T, T \u662f\u7ec6\u5316\u7684\u603b\u6570\u3002<\/p>\n<p>\u6574\u4e2a\u65b9\u6cd5\u4ece\u5177\u6709\u9ad8\u8bed\u4e49\u7684\u6700\u9ad8\u5c42\u6267\u884c\u68c0\u6d4b\uff0cPt\u662f\u8f66\u9053\u5148\u9a8c\u7684\u53c2\u6570\uff08\u8d77\u70b9\u5750\u6807x\u3001y\u548c\u89d2\u5ea6\u03b8\uff09\uff0c\u5b83\u662f\u53d7\u542f\u53d1\u4e14\u53ef\u81ea\u5b66\u4e60\u7684\u3002\u5bf9\u4e8e\u7b2c\u4e00\u5c42L0\uff0cP0\u5747\u5300\u5206\u5e03\u5728\u56fe\u50cf\u5e73\u9762\u4e0a\uff0c\u7ec6\u5316Rt\u4ee5Pt\u4f5c\u4e3a\u8f93\u5165\u4ee5\u83b7\u5f97ROI\u8f66\u9053\u7279\u5f81\uff0c\u7136\u540e\u6267\u884c\u4e24\u4e2aFC\u5c42\u4ee5\u83b7\u5f97\u7ec6\u5316\u53c2\u6570Pt\u3002\u9010\u6b65\u7ec6\u5316\u8f66\u9053\u5148\u9a8c\u4fe1\u606f\u548c\u7279\u5f81\u4fe1\u606f\u63d0\u53d6\u5bf9\u4e8e\u8de8\u5c42\u7ec6\u5316\u662f\u975e\u5e38\u91cd\u8981\u3002\u6ce8\u610f\uff0c\u6b64\u65b9\u6cd5\u4e0d\u9650\u4e8e FPN \u7ed3\u6784\uff0c\u4ec5\u4f7f\u7528 ResNet\u6216\u91c7\u7528 PAFPN\u4e5f\u662f\u5408\u9002\u7684\u3002<\/p>\n<p><strong>4\u3001ROI \u6536\u96c6<\/strong><\/p>\n<p>\u5728\u4e3a\u6bcf\u4e2a\u7279\u5f81\u56fe\u5206\u914d\u8f66\u9053\u5148\u9a8c\u4fe1\u606f\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 ROI Align\u6a21\u5757\u83b7\u5f97\u8f66\u9053\u5148\u9a8c\u7684\u7279\u5f81\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u7279\u5f81\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\u4ecd\u7136\u4e0d\u591f\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u8f66\u9053\u5b9e\u4f8b\u53ef\u80fd\u4f1a\u88ab\u5360\u7528\u6216\u5728\u6781\u7aef\u7167\u660e\u6761\u4ef6\u4e0b\u4f1a\u53d8\u5f97\u6a21\u7cca\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u6ca1\u6709\u5c40\u90e8\u89c6\u89c9\u5b9e\u65f6\u8ddf\u8e2a\u6570\u636e\u6765\u8868\u660e\u8f66\u9053\u7684\u5b58\u5728\u6027\u3002\u4e3a\u4e86\u786e\u5b9a\u4e00\u4e2a\u50cf\u7d20\u662f\u5426\u5c5e\u4e8e\u8f66\u9053\uff0c\u9700\u8981\u67e5\u770b\u9644\u8fd1\u7684\u7279\u5f81\u3002\u6700\u8fd1\u7684\u4e00\u4e9b\u7814\u7a76\u4e5f\u8868\u660e\uff0c\u5982\u679c\u5145\u5206\u5229\u7528\u8fdc\u7a0b\u4f9d\u8d56\u5173\u7cfb\uff0c\u6027\u80fd\u53ef\u4ee5\u5f97\u5230\u63d0\u9ad8\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u6536\u96c6\u66f4\u591a\u6709\u7528\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\u6765\u66f4\u597d\u5730\u5b66\u4e60\u8f66\u9053\u7279\u5f81\u3002<\/p>\n<p>\u4e3a\u6b64\uff0c\u5148\u6cbf\u8f66\u9053\u8fdb\u884c\u5377\u79ef\u8ba1\u7b97\uff0c\u8fd9\u6837\uff0c\u8f66\u9053\u5148\u9a8c\u4e2d\u7684\u6bcf\u4e2a\u50cf\u7d20\u90fd\u53ef\u4ee5\u6536\u96c6\u9644\u8fd1\u50cf\u7d20\u7684\u4fe1\u606f\uff0c\u5e76\u4e14\u53ef\u4ee5\u6839\u636e\u8be5\u4fe1\u606f\u5bf9\u5360\u7528\u7684\u90e8\u5206\u8fdb\u884c\u5f3a\u5316\u3002\u6b64\u5916\uff0c\u8fd8\u901a\u8fc7\u5efa\u7acb\u4e86\u8f66\u9053\u5148\u9a8c\u7279\u5f81\u548c\u6574\u4e2a\u7279\u5f81\u56fe\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u5229\u7528\u66f4\u591a\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\u6765\u5b66\u4e60\u66f4\u597d\u7684\u7279\u5f81\u8868\u793a\u3002<\/p>\n<p>\u6574\u4e2aROI\u641c\u96c6\u6a21\u5757\u7ed3\u6784\u91cd\u91cf\u8f7b\u4e14\u6613\u4e8e\u5b9e\u65bd\u3002\u56e0\u4e3a\uff0c\u5b83\u4ee5\u7279\u5f81\u56fe\u548c\u8f66\u9053\u5148\u9a8c\u4f5c\u4e3a\u8f93\u5165\uff0c\u6bcf\u4e2a\u8f66\u9053\u5148\u9a8c\u6709 N \u4e2a\u70b9\u3002\u4e0e\u8fb9\u754c\u6846\u7684 ROI Align \u4e0d\u540c\uff0c\u5bf9\u4e8e\u6bcf\u4e2a\u8f66\u9053\u5148\u9a8c\u4fe1\u606f\u641c\u96c6\uff0c\u9700\u8981\u5148\u6309\u7167 ROI Align\u5f97\u5230\u8f66\u9053\u5148\u9a8c\u7684 ROI \u7279\u5f81\u00a0(Xp \u2208 R<sup>C\u00d7Np<\/sup>\u00a0)\u3002\u4ece\u8f66\u9053\u5148\u9a8c\u4e2d\u5747\u5300\u91c7\u6837 Np\u00a0\u70b9\uff0c\u5e76\u4f7f\u7528\u53cc\u7ebf\u6027\u63d2\u503c\u6765\u8ba1\u7b97\u8fd9\u4e9b\u4f4d\u7f6e\u5904\u8f93\u5165\u7279\u5f81\u7684\u7cbe\u786e\u503c\u3002\u5bf9\u4e8eL1\u3001L2\u7684ROI\u7279\u5f81\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fde\u63a5\u524d\u51e0\u5c42\u7684 ROI \u7279\u5f81\u6765\u589e\u5f3a\u7279\u5f81\u8868\u793a\u3002\u901a\u8fc7\u5bf9\u63d0\u53d6\u7684 ROI \u7279\u5f81\u8fdb\u884c\u5377\u79ef\u53ef\u4ee5\u6536\u96c6\u6bcf\u4e2a\u8f66\u9053\u50cf\u7d20\u7684\u9644\u8fd1\u7279\u5f81\u3002\u4e3a\u4e86\u8282\u7701\u5185\u5b58\uff0c\u8fd9\u91cc\u4f7f\u7528\u5168\u8fde\u63a5\u6765\u8fdb\u4e00\u6b65\u63d0\u53d6\u8f66\u9053\u5148\u9a8c\u7279\u5f81\uff08Xp\u00a0\u2208 R<sup>C\u00d71<\/sup>\uff09\uff0c\u5176\u4e2d\uff0c\u7279\u5f81\u56fe\u7684\u5927\u5c0f\u8c03\u6574\u4e3a\u00a0X<sub>f<\/sub>\u00a0\u2208 R<sup>C\u00d7H\u00d7W<\/sup>\u00a0\uff0c\u53ef\u4ee5\u7ee7\u7eed\u5c55\u5e73\u4e3a\u00a0\u00a0X<sub>f<\/sub>\u00a0\u2208R<sup>C\u00d7HW<\/sup>\u00a0\u3002<\/p>\n<p>\u4e3a\u4e86\u6536\u96c6\u8f66\u9053\u5177\u6709\u5148\u9a8c\u7279\u5f81\u7684\u5168\u5c40\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u9700\u8981\u9996\u5148\u8ba1\u7b97 ROI \u8f66\u9053\u5148\u9a8c\u7279\u5f81 (Xp) \u548c\u5168\u5c40\u7279\u5f81\u56fe (Xf) \u4e4b\u95f4\u7684\u6ce8\u610f\u529b\u77e9\u9635 W\uff0c\u5176\u5199\u4e3a\uff1a<\/p>\n<p><img data-dominant-color=\"f2f2f2\" data-has-transparency=\"false\" style=\"--dominant-color: #f2f2f2;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-19255\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/05b847030f039aeaa91880ac55d917555b9d14-1.png\" width=\"178\" height=\"77\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/05b847030f039aeaa91880ac55d917555b9d14-1.png 178w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/05b847030f039aeaa91880ac55d917555b9d14-1-150x65.png 150w\" sizes=\"auto, (max-width: 178px) 100vw, 178px\" \/><\/p>\n<p>\u5176\u4e2d f \u662f\u5f52\u4e00\u5316\u51fd\u6570 soft max\u3002\u805a\u5408\u540e\u7684\u7279\u5f81\u53ef\u5199\u4e3a\uff1a<\/p>\n<p><img data-dominant-color=\"eaeaea\" data-has-transparency=\"false\" style=\"--dominant-color: #eaeaea;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-19256\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/f83374e6220adc920d700321fd2d8573d885f3-1.png\" width=\"116\" height=\"37\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" \/><\/p>\n<p>\u8f93\u51fa G \u53cd\u6620\u4e86 Xf\u00a0\u5bf9 Xp\u00a0\u7684\u53e0\u52a0\u503c\uff0c\u5b83\u662f\u4ece Xf \u7684\u6240\u6709\u4f4d\u7f6e\u4e2d\u9009\u62e9\u7684\u3002\u6700\u540e\uff0c\u5c06\u8f93\u51fa\u6dfb\u52a0\u5230\u539f\u59cb\u8f93\u5165 Xp\u00a0\u4e0a\u3002<\/p>\n<p>\u4e3a\u4e86\u8fdb\u4e00\u6b65\u6f14\u793a ROIGather \u5728\u7f51\u7edc\u4e2d\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u5728\u56fe3 \u4e2d\u53ef\u89c6\u5316\u4e86\u6ce8\u610f\u529b\u56fe\u7684ROIGather \u5206\u6790\u3002\u5b83\u663e\u793a\u4e86\u8f66\u9053\u5148\u9a8c\u7684 ROI \u7279\u5f81\u548c\u6574\u4e2a\u7279\u5f81\u56fe\u4e4b\u95f4\u7684\u6ce8\u610f\u529b\u3002\u6a59\u8272\u7ebf\u662f\u4e4b\u524d\u5bf9\u5e94\u7684\u8f66\u9053\uff0c\u7ea2\u8272\u533a\u57df\u5bf9\u5e94\u4e8e\u6ce8\u610f\u529b\u6743\u91cd\u7684\u9ad8\u5206\u3002<\/p>\n<p><img data-dominant-color=\"417c91\" data-has-transparency=\"false\" style=\"--dominant-color: #417c91;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-19257\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/187162a90bfaf33f9f1621b48c541f6a9a2d84-1.png\" width=\"662\" height=\"192\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/187162a90bfaf33f9f1621b48c541f6a9a2d84-1.png 662w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/187162a90bfaf33f9f1621b48c541f6a9a2d84-1-300x87.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/187162a90bfaf33f9f1621b48c541f6a9a2d84-1-150x44.png 150w\" sizes=\"auto, (max-width: 662px) 100vw, 662px\" \/><\/p>\n<p>\u56fe 3. ROIGather \u4e2d\u6ce8\u610f\u529b\u6743\u91cd\u7684\u56fe\u793a<\/p>\n<p>\u5982\u4e0a\u56fe\u663e\u793a\u4e86\u8f66\u9053\u5148\u9a8c\uff08\u6a59\u8272\u7ebf\uff09\u7684 ROI \u7279\u5f81\u4e0e\u6574\u4e2a\u7279\u5f81\u56fe\u4e4b\u95f4\u7684\u6ce8\u610f\u529b\u6743\u91cd\u3002\u989c\u8272\u8d8a\u4eae\uff0c\u6743\u91cd\u503c\u8d8a\u5927\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u6240\u63d0\u51fa\u7684 ROIGather \u53ef\u4ee5\u6709\u6548\u5730\u6536\u96c6\u5177\u6709\u4e30\u5bcc\u8bed\u4e49\u4fe1\u606f\u7684\u5168\u5c40\u4e0a\u4e0b\u6587\uff0c\u5373\u4f7f\u5728\u906e\u6321\u4e0b\u4e5f\u80fd\u6355\u83b7\u524d\u666f\u8f66\u9053\u7684\u7279\u5f81\u3002<\/p>\n<p><strong>5\u3001\u8f66\u9053\u7ebf\u4ea4\u5e76\u6bd4IoU \u635f\u5931<\/strong><\/p>\n<p>\u5982\u4e0a\u6240\u8ff0\uff0c\u8f66\u9053\u5148\u9a8c\u7531\u9700\u8981\u4e0e\u5176\u57fa\u672c\u4e8b\u5b9e\u56de\u5f52\u7684\u79bb\u6563\u70b9\u7ec4\u6210\u3002\u5e38\u7528\u7684\u8ddd\u79bb\u635f\u5931\uff08\u5982 smooth-l1\uff09\u53ef\u7528\u4e8e\u5bf9\u8fd9\u4e9b\u70b9\u8fdb\u884c\u56de\u5f52\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u635f\u5931\u5c06\u70b9\u4f5c\u4e3a\u5355\u72ec\u7684\u53d8\u91cf\uff0c\u8fd9\u662f\u4e00\u4e2a\u8fc7\u4e8e\u7b80\u5355\u5316\u7684\u5047\u8bbe\uff0c\u5bfc\u81f4\u56de\u5f52\u4e0d\u592a\u51c6\u786e\u3002<\/p>\n<p>\u4e0e\u8ddd\u79bb\u635f\u5931\u76f8\u53cd\uff0c\u5e76\u96c6\u4ea4\u96c6\uff08IoU\uff09\u53ef\u4ee5\u5c06\u8f66\u9053\u5148\u9a8c\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u5355\u5143\u8fdb\u884c\u56de\u5f52\uff0c\u5e76\u4e14\u5b83\u662f\u9488\u5bf9\u8bc4\u4f30\u6307\u6807\u91cf\u8eab\u5b9a\u5236\u7684\u3002\u8fd9\u91cc\u63a8\u5bfc\u51fa\u4e00\u79cd\u7b80\u5355\u6709\u6548\u7684\u7b97\u6cd5\u6765\u8ba1\u7b97\u7ebf IoU (LIoU) \u635f\u5931\u3002<\/p>\n<p>\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u7ebf\u4ea4\u5e76\u6bd4 IoU\u53ef\u4ee5\u901a\u8fc7\u6839\u636e\u91c7\u6837\u7684 xi \u4f4d\u7f6e\u5bf9\u6269\u5c55\u6bb5\u7684 IoU \u8fdb\u884c\u79ef\u5206\u6765\u8ba1\u7b97\u3002<\/p>\n<p><img data-dominant-color=\"cccdca\" data-has-transparency=\"false\" style=\"--dominant-color: #cccdca;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-19258\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/49d78598477c684d3803140a3f7c6e59715017-1.png\" width=\"593\" height=\"297\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/49d78598477c684d3803140a3f7c6e59715017-1.png 593w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/49d78598477c684d3803140a3f7c6e59715017-1-300x150.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/49d78598477c684d3803140a3f7c6e59715017-1-150x75.png 150w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><\/p>\n<p>\u56fe 4. \u7ebf IoU \u56fe\u793a<\/p>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\u7684\u516c\u5f0f\u4e2d\u663e\u793a\uff0c\u4ece\u7ebf\u6bb5\u4ea4\u5e76\u6bd4 IoU \u7684\u5b9a\u4e49\u5f00\u59cb\u5f15\u5165\u7ebf IoU \u635f\u5931\uff0c\u5373\u4e24\u6761\u7ebf\u6bb5\u4e4b\u95f4\u76f8\u4e92\u4f5c\u7528\u4e0e\u5e76\u96c6\u7684\u6bd4\u7387\u3002\u5bf9\u4e8e\u5982\u56fe 4 \u6240\u793a\u7684\u9884\u6d4b\u8f66\u9053\u4e2d\u7684\u6bcf\u4e2a\u70b9\uff0c\u9996\u5148\u5c06\u5176\uff08x<sup>p<\/sup><sub>i<\/sub>\u00a0\uff09\u4ee5\u534a\u5f84 e \u5ef6\u4f38\u4e3a\u7ebf\u6bb5\u3002\u7136\u540e\uff0c\u53ef\u4ee5\u8ba1\u7b97\u5ef6\u957f\u7ebf\u6bb5\u4e0e\u5176groundtruth\u4e4b\u95f4\u7684IoU\uff0c\u5199\u4e3a\uff1a<\/p>\n<p><img data-dominant-color=\"efefef\" data-has-transparency=\"false\" style=\"--dominant-color: #efefef;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-19259\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/69e05c2333ce7f6be1d81785ff3b8be3607e55-1.png\" width=\"521\" height=\"70\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/69e05c2333ce7f6be1d81785ff3b8be3607e55-1.png 521w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/69e05c2333ce7f6be1d81785ff3b8be3607e55-1-300x40.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/69e05c2333ce7f6be1d81785ff3b8be3607e55-1-150x20.png 150w\" sizes=\"auto, (max-width: 521px) 100vw, 521px\" \/><\/p>\n<p>\u5176\u4e2d\u00a0x<sup>p<\/sup><sub>i<\/sub>\u00a0&#8211; e,\u00a0x<sup>p<\/sup><sub>i<\/sub>\u00a0\u00a0+ e \u662f\u00a0x<sup>p<\/sup><sub>i<\/sub>\u00a0\u00a0\u7684\u6269\u5c55\u70b9\uff0cx<sup>g<\/sup><sub>i<\/sub>\u00a0-e\uff0cx<sup>g<\/sup><sub>i<\/sub>\u00a0+ e \u662f\u5bf9\u5e94\u7684groundtruth\u70b9\u3002\u8bf7\u6ce8\u610f\uff0cd<sup>0<\/sup><sub>i<\/sub>\u53ef\u4ee5\u4e3a\u8d1f\u503c\uff0c\u8fd9\u4f7f\u5f97\u5728\u975e\u91cd\u53e0\u7ebf\u6bb5\u7684\u60c5\u51b5\u4e0b\u53ef\u4ee5\u8fdb\u884c\u6709\u6548\u7684\u4fe1\u606f\u4f18\u5316\u3002<\/p>\n<p>\u90a3\u4e48LIoU\u53ef\u4ee5\u88ab\u8ba4\u4e3a\u662f\u65e0\u9650\u7ebf\u70b9\u7684\u7ec4\u5408\u3002\u4e3a\u4e86\u7b80\u5316\u8868\u8fbe\u5f0f\u5e76\u6613\u4e8e\u8ba1\u7b97\uff0c\u5c06\u5176\u8f6c\u6362\u4e3a\u79bb\u6563\u5f62\u5f0f\uff0c<\/p>\n<p><img data-dominant-color=\"f0f0f0\" data-has-transparency=\"false\" style=\"--dominant-color: #f0f0f0;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-19260\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/92230a2587a83c71a94921687424da7d337b0e-1.png\" width=\"202\" height=\"82\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/92230a2587a83c71a94921687424da7d337b0e-1.png 202w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/92230a2587a83c71a94921687424da7d337b0e-1-150x61.png 150w\" sizes=\"auto, (max-width: 202px) 100vw, 202px\" \/><\/p>\n<p>\u7136\u540e\uff0cLIoU\u635f\u5931\u5b9a\u4e49\u4e3a\uff1a<\/p>\n<p><img data-dominant-color=\"ededed\" data-has-transparency=\"false\" style=\"--dominant-color: #ededed;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-19261\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/97c85443904c7c63846531403b629ac7f9e3a7-1.png\" width=\"207\" height=\"32\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/97c85443904c7c63846531403b629ac7f9e3a7-1.png 207w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/97c85443904c7c63846531403b629ac7f9e3a7-1-150x23.png 150w\" sizes=\"auto, (max-width: 207px) 100vw, 207px\" \/><\/p>\n<p>\u5176\u4e2d\u22121 \u2264 LIoU \u22641\uff0c\u5f53\u4e24\u6761\u7ebf\u5b8c\u7f8e\u91cd\u53e0\u65f6\uff0c\u5219LIoU = 1\uff0c\u5f53\u4e24\u6761\u7ebf\u76f8\u8ddd\u8f83\u8fdc\u65f6\uff0cLIoU\u6536\u655b\u4e8e-1\u3002<\/p>\n<p>\u901a\u8fc7Line IoU\u635f\u5931\u6765\u8ba1\u7b97\u8f66\u9053\u7ebf\u5173\u8054\u5173\u7cfb\u6709\u4e24\u4e2a\u4f18\u70b9\uff1a\uff081\uff09\u5b83\u7b80\u5355\u4e14\u53ef\u5fae\u5206\uff0c\u5f88\u5bb9\u6613\u5b9e\u73b0\u5e76\u884c\u8ba1\u7b97\u3002(2)\u5b83\u5c06\u8f66\u9053\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u8fdb\u884c\u9884\u6d4b\uff0c\u8fd9\u6709\u52a9\u4e8e\u63d0\u9ad8\u6574\u4f53\u6027\u80fd\u3002<\/p>\n<p><strong>6\u3001\u8bad\u7ec3\u548c\u63a8\u7406\u7ec6\u8282<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u662f\u8fdb\u884c\u6b63\u5411\u6837\u672c\u9009\u62e9\u3002<\/p>\n<p>\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\uff0c\u6bcf\u4e2a\u5730\u9762\u771f\u5b9e\u8f66\u9053\u4f5c\u4e3a\u6b63\u6837\u672c\u88ab\u52a8\u6001\u5206\u914d\u4e00\u4e2a\u6216\u591a\u4e2a\u9884\u6d4b\u8f66\u9053\u3002\u7279\u522b\u662f\uff0c\u6839\u636e\u5206\u914d\u6210\u672c\u5bf9\u9884\u6d4b\u8f66\u9053\u8fdb\u884c\u6392\u5e8f\uff0c\u5176\u5b9a\u4e49\u4e3a\uff1a<\/p>\n<p><img data-dominant-color=\"f0f0f0\" data-has-transparency=\"false\" style=\"--dominant-color: #f0f0f0;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-19262\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/17f0ad02359934740a4210151c53e475f23563-1.png\" width=\"335\" height=\"75\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/17f0ad02359934740a4210151c53e475f23563-1.png 335w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/17f0ad02359934740a4210151c53e475f23563-1-300x67.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/17f0ad02359934740a4210151c53e475f23563-1-150x34.png 150w\" sizes=\"auto, (max-width: 335px) 100vw, 335px\" \/><\/p>\n<p>\u8fd9\u91cc Ccls\u00a0\u662f\u9884\u6d4b\u548c\u6807\u7b7e\u4e4b\u95f4\u7684\u7126\u70b9\u6210\u672c\u3002Csim\u00a0\u662f\u9884\u6d4b\u8f66\u9053\u548c\u771f\u5b9e\u8f66\u9053\u4e4b\u95f4\u7684\u76f8\u4f3c\u6210\u672c\u3002\u5b83\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff0cCdis\u8868\u793a\u6240\u6709\u6709\u6548\u8f66\u9053\u70b9\u7684\u5e73\u5747\u50cf\u7d20\u8ddd\u79bb\uff0cCxy\u8868\u793a\u8d77\u70b9\u5750\u6807\u7684\u8ddd\u79bb\uff0cCtheta\u8868\u793atheta\u89d2\u7684\u5dee\u503c\uff0c\u5b83\u4eec\u90fd\u5f52\u4e00\u5316\u4e3a[0, 1]\u3002wcls\u548cwsim\u662f\u6bcf\u4e2a\u5b9a\u4e49\u5206\u91cf\u7684\u6743\u91cd\u7cfb\u6570\u3002\u6bcf\u4e2a\u5730\u9762\u5b9e\u51b5\u8f66\u9053\u90fd\u6839\u636e Cassign \u5206\u914d\u6709\u52a8\u6001\u6570\u91cf\uff08top-k\uff09\u7684\u9884\u6d4b\u8f66\u9053\u3002<\/p>\n<p>\u5176\u6b21\uff0c\u662f\u8bad\u7ec3\u635f\u5931\u3002<\/p>\n<p>\u8bad\u7ec3\u635f\u5931\u5305\u62ec\u5206\u7c7b\u635f\u5931\u548c\u56de\u5f52\u635f\u5931\uff0c\u5176\u4e2d\uff0c\u56de\u5f52\u635f\u5931\u4ec5\u5bf9\u6307\u5b9a\u7684\u6837\u672c\u8fdb\u884c\u8ba1\u7b97\u3002\u603b\u4f53\u635f\u5931\u51fd\u6570\u5b9a\u4e49\u4e3a\uff1a<\/p>\n<p><img data-dominant-color=\"f2f2f2\" data-has-transparency=\"false\" style=\"--dominant-color: #f2f2f2;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-19263\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/d4e959506c9211d06f36120fb21d9b269cb8e1-1.png\" width=\"490\" height=\"47\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/d4e959506c9211d06f36120fb21d9b269cb8e1-1.png 490w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/d4e959506c9211d06f36120fb21d9b269cb8e1-1-300x29.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2024\/03\/d4e959506c9211d06f36120fb21d9b269cb8e1-1-150x14.png 150w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\" \/><\/p>\n<p>Lcls\u00a0\u662f\u9884\u6d4b\u548c\u6807\u7b7e\u4e4b\u95f4\u7684\u7126\u70b9\u635f\u5931\uff0cLxytl\u00a0\u662f\u8d77\u70b9\u5750\u6807\u3001theta \u89d2\u5ea6\u548c\u8f66\u9053\u957f\u5ea6\u56de\u5f52\u7684 smooth-l1 \u635f\u5931\uff0cLLIoU \u662f\u9884\u6d4b\u8f66\u9053\u548c\u5730\u9762\u5b9e\u51b5\u4e4b\u95f4\u7684\u7ebf IoU \u635f\u5931\u3002\u901a\u8fc7\u6dfb\u52a0\u8f85\u52a9\u5206\u5272\u635f\u5931\u7684\u65b9\u5f0f\uff0c\u4ec5\u5728\u8bad\u7ec3\u671f\u95f4\u4f7f\u7528\uff0c\u6ca1\u6709\u63a8\u7406\u6210\u672c\u3002<\/p>\n<p>\u6700\u540e\uff0c\u662f\u8fdb\u884c\u6709\u6548\u63a8\u7406\u3002\u901a\u8fc7\u8bbe\u7f6e\u4e00\u4e2a\u5e26\u6709\u5206\u7c7b\u5206\u6570\u7684\u9608\u503c\u6765\u8fc7\u6ee4\u80cc\u666f\u8f66\u9053\uff08\u4f4e\u5206\u8f66\u9053\u5148\u9a8c\uff09\uff0c\u5e76\u4f7f\u7528 nms \u6765\u5220\u9664\u4e4b\u540e\u7684\u9ad8\u91cd\u53e0\u8f66\u9053\u3002\u5982\u679c\u4f7f\u7528\u4e00\u5bf9\u4e00\u5206\u914d\uff0c\u5373\u8bbe\u7f6e top-k = 1\uff0c\u8fd9\u91cc\u4e5f\u53ef\u4ee5\u662f\u65e0 nms \u7684\u3002<\/p>\n<h4>\u603b\u7ed3<\/h4>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u63d0\u51fa\u4e86\u7528\u4e8e\u8f66\u9053\u68c0\u6d4b\u7684\u8de8\u5c42\u7ec6\u5316\u7f51\u7edc\uff08CLRNet\uff09\u3002CLRNet 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