{"id":1838,"date":"2024-05-28T00:30:12","date_gmt":"2024-05-27T16:30:12","guid":{"rendered":"https:\/\/setabout.cn\/?p=1838"},"modified":"2024-05-28T00:30:13","modified_gmt":"2024-05-27T16:30:13","slug":"person-re-identification","status":"publish","type":"post","link":"https:\/\/setabout.cn\/?p=1838","title":{"rendered":"Person re-identification"},"content":{"rendered":"\n<p>\u9898\u76ee\u641e\u5f97\u9ad8\u5927\u4e0a\u4e00\u70b9\uff0c\u8fd9\u662f\u6211\u7814\u7a76\u751f\u5bfc\u5e08\u7684\u65b9\u5411\uff0c\u4e5f\u662f\u6211\u4eca\u540e\u8981\u7814\u7a76\u7684\u65b9\u5411\uff0c\u5176\u4e2d\u6587\u662f\u884c\u4eba\u91cd\u8bc6\u522b\uff0c\u5149\u542c\u8fd9\u4e2a\u540d\u5b57\u5f88\u96be\u77e5\u9053\u5b83\u5177\u4f53\u662f\u5e72\u4ec0\u4e48\u7684\u3002<\/p>\n\n\n\n<p>\u8bc6\u522b\u80af\u5b9a\u662f\u548c\u89c6\u89c9\u76f8\u5173\uff0c\u884c\u4eba\u90a3\u5f53\u7136\u662f\u548c\u4eba\u76f8\u5173\uff08\u5e9f\u8bdd\uff09\uff0c\u90a3\u4e48\u5177\u4f53\u662f\u5e72\u4ec0\u4e48\u7684\uff0c\u6211\u6765\u8be6\u7ec6\u8bb0\u5f55\u4e00\u4e0b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u662f\u4ec0\u4e48\uff1f<\/h2>\n\n\n\n<p>\u9996\u5148\u5b83\u662f\u4ec0\u4e48\u5462\uff1f\u4f17\u6240\u5468\u77e5\uff0c\u4eba\u8138\u8bc6\u522b\u73b0\u5728\u505a\u7684\u8fd8\u7b97\u4e0d\u9519\uff0c\u4f46\u5728\u5927\u90e8\u5206\u6444\u50cf\u5934\u62cd\u6444\u7684\u573a\u666f\u4e0b\uff0c\u5f88\u96be\u62cd\u5230\u6b63\u8138\uff0c\u6216\u8005\u6bd4\u8f83\u6e05\u6670\u7684\u56fe\u50cf\uff0c\u884c\u4eba\u91cd\u8bc6\u522b\u5c31\u662f\u8fd9\u79cd\u7279\u6b8a\u60c5\u51b5\u7684\u8865\u5145\uff0c\u5b83\u4e3b\u8981\u901a\u8fc7\u4eba\u4f53\u5916\u89c2\u4fe1\u606f\u8fdb\u884c\u8bc6\u522b\uff0c\u6355\u6349\u4e0d\u540c\u6444\u50cf\u5934\u4e0b\u7684\u540c\u4e00\u4e2a\u4eba\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7814\u7a76\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u57fa\u4e8e\u8868\u5f81\u5b66\u4e60\u7684ReID\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n<p>\u8868\u5f81\u5b66\u4e60\u662f\u4ec0\u4e48\uff1f\u4e00\u79cd\u5c06\u539f\u59cb\u6570\u636e\u8f6c\u6362\u6210\u4e3a\u66f4\u5bb9\u6613\u88ab\u673a\u5668\u5b66\u4e60\u5e94\u7528\u7684\u6570\u636e\u7684\u8fc7\u7a0b\uff0c\u8bf4\u767d\u4e86\uff0c\u5c31\u662f\u4f60\u628a\u6570\u636e\u641e\u6210\u673a\u5668\u80fd\u770b\u61c2\u7684\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/blog.csdn.net\/qq_30121457\/article\/details\/108918519\">\u5bf9\u56fe\u50cf\u4e2d\u8bed\u4e49\u4fe1\u606f\u3001\u9ad8\u5c42\u548c\u5e95\u5c42\u7279\u5f81\u7684\u7406\u89e3_\u56fe\u50cf\u8bed\u4e49\u7279\u5f81-CSDN\u535a\u5ba2<\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5e95\u5c42\u89c6\u89c9\u7279\u5f81<\/strong><\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><\/p>\n<cite>\u8fd9\u79cd\u65b9\u6cd5\u57fa\u672c\u4e0a\u90fd\u662f\u5c06\u56fe\u50cf\u5212\u5206\u6210\u591a\u4e2a\u533a\u57df\uff0c\u5bf9\u6bcf\u4e2a\u533a\u57df\u63d0\u53d6\u591a\u79cd\u4e0d\u540c\u7684\u5e95\u5c42\u89c6\u89c9\u7279\u5f81\uff0c\u7ec4\u5408\u540e\u5f97\u5230\u9c81\u68d2\u6027\u66f4\u597d\u7684\u7279\u5f81\u8868\u793a\u5f62\u5f0f\u3002\u6700\u5e38\u7528\u7684\u5c31\u662f\u989c\u8272\u76f4\u65b9\u56fe\uff0c\u591a\u6570\u60c5\u51b5\u4e0b\u884c\u4eba\u7684\u8863\u670d\u989c\u8272\u7ed3\u6784\u7b80\u5355\uff0c\u56e0\u6b64\u989c\u8272\u8868\u793a\u662f\u6709\u6548\u7684\u7279\u5f81\uff0c\u901a\u5e38\u7528RGB\u3001HSV\u76f4\u65b9\u56fe\u8868\u793a\u3002\u628aRGB\u7a7a\u95f4\u7684\u56fe\u50cf\u8f6c\u5316\u6210HSL\u548cYCbCr\u989c\u8272\u7a7a\u95f4\uff0c\u89c2\u5bdf\u5bf9\u6570\u989c\u8272\u7a7a\u95f4\u4e2d\u76ee\u6807\u50cf\u7d20\u503c\u7684\u5206\u5e03\uff0c\u989c\u8272\u7279\u5f81\u5728\u4e0d\u540c\u5149\u7167\u6216\u89d2\u5ea6\u7b49\u884c\u4eba\u8bc6\u522b\u7684\u4e0d\u9002\u73af\u5883\u4e2d\u5177\u6709\u4e00\u5b9a\u7684\u4e0d\u53d8\u6027\u3002<\/cite><\/blockquote>\n\n\n\n<p>\u4e0a\u9762\u662f\u5b98\u65b9\u89e3\u91ca\uff0c\u989c\u8272\u76f4\u65b9\u56fe\u662f\u4ec0\u4e48\uff1f\u5feb\u901f\u63cf\u8ff0\u56fe\u50cf\u6574\u4f53\u50cf\u7d20\u503c\u5206\u5e03\u7684\u7edf\u8ba1\u4fe1\u606f\u56fe\u8868\uff0c\u8fd9\u4e00\u70b9\u8f83\u5bb9\u6613\u7406\u89e3\uff0c\u4e0b\u4e00\u4e2a\u201cRGB\u7a7a\u95f4\u7684\u56fe\u50cf\u8f6c\u5316\u6210HSL\u548cYCbCr\u989c\u8272\u7a7a\u95f4\u201d\uff0cHSV (Hue, Saturation, Value) \u548c HSL (Hue, Saturation, Lightness): \u8fd9\u4e24\u4e2a\u989c\u8272\u7a7a\u95f4\u66f4\u8d34\u8fd1\u4eba\u7c7b\u5bf9\u989c\u8272\u7684\u611f\u77e5\u65b9\u5f0f\u3002HSV\u4e2d\u7684Hue\u8868\u793a\u8272\u76f8\uff0cSaturation\u8868\u793a\u9971\u548c\u5ea6\uff0cValue\u8868\u793a\u4eae\u5ea6\u3002HSL\u7684\u4eae\u5ea6\uff08Lightness\uff09\u6982\u5ff5\u7a0d\u6709\u4e0d\u540c\uff0c\u4f7f\u5f97\u8272\u5f69\u8c03\u6574\u66f4\u76f4\u89c2\u3002YCbCr: \u8fd9\u4e2a\u989c\u8272\u7a7a\u95f4\u5e38\u7528\u4e8e\u89c6\u9891\u5904\u7406\u3002\u5b83\u5206\u79bb\u4e86\u4eae\u5ea6\u4fe1\u606f\uff08Y\uff09\u548c\u8272\u5ea6\u4fe1\u606f\uff08Cb\u548cCr\uff09\uff0c\u6709\u52a9\u4e8e\u66f4\u597d\u5730\u5904\u7406\u56fe\u50cf\u538b\u7f29\u548c\u5e7f\u64ad\uff08\u5176\u4e3b\u8981\u7528\u4e8e\u89c6\u9891\u538b\u7f29\u548c\u5e7f\u64ad\u9886\u57df\uff09\u3002\u4e5f\u5c31\u662f\u56fe\u50cf\u7528\u53e6\u5916\u4e00\u79cd\u65b9\u5f0f\u8868\u793a\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><\/p>\n<cite>\u4ee5\u53ca\u5c40\u90e8\u7279\u5f81\uff0c\u5982\u5c40\u90e8\u4e0d\u53d8\u7279\u5f81\u2013\u5c3a\u5ea6\u4e0d\u53d8\u7279\u5f81\u53d8\u6362\uff08scale-invariant feature transform\uff0cSIFT\uff09\uff0cSURF\u548cCovariance\u63cf\u8ff0\u5b50ELF\uff08ensemble of localized features\uff09\u65b9\u6cd5\u4e2d\uff0c\u7ed3\u5408RGB\u3001YCbCr\u3001HS\u989c\u8272\u7a7a\u95f4\u7684\u989c\u8272\u76f4\u65b9\u56fe\uff0c\u5177\u6709\u65cb\u8f6c\u4e0d\u53d8\u6027\u7684Schmid\u548cGabor\u6ee4\u6ce2\u5668\u8ba1\u7b97\u7eb9\u7406\u76f4\u65b9\u56fe\u3002\u8fd8\u6709\u7eb9\u7406\u7279\u5f81\u3001Haar-like Represention\u3001\u5c40\u90e8\u4e8c\u503c\u6a21\u5f0f\uff08LBP\uff09\u3001Gabor\u6ee4\u6ce2\u5668\u3001\u5171\u751f\u77e9\u9635\uff08Co-occurrence Matrics\uff09\u3002<\/cite><\/blockquote>\n\n\n\n<p>\u4ec0\u4e48\u662f\u5c3a\u5ea6\u4e0d\u53d8\u7279\u5f81\u53d8\u6362\uff1fSIFT\u7279\u5f81\u662f\u56fe\u50cf\u7684\u5c40\u90e8\u7279\u5f81\uff0c\u5176\u5bf9\u65cb\u8f6c\u3001\u5c3a\u5ea6\u7f29\u653e\u3001\u4eae\u5ea6\u53d8\u5316\u4fdd\u6301\u4e0d\u53d8\u6027\uff0c\u5bf9\u89c6\u89d2\u53d8\u5316\u3001\u4eff\u5c04\u53d8\u6362\u3001\u566a\u58f0\u4e5f\u4fdd\u6301\u4e00\u5b9a\u7a0b\u5ea6\u7684\u7a33\u5b9a\u6027\u3002\u5176\u4f59SURF\u7b49\u662f\u4e00\u79cd\u56fe\u50cf\u5904\u7406\u7684\u7b97\u5b50\u3002<\/p>\n\n\n\n<p>\u7eb9\u7406\u7279\u5f81\uff1a\u662f\u4e00\u79cd\u5168\u5c40\u7279\u5f81\uff0c\u53cd\u6620\u7684\u662f\u56fe\u50cf\u4e2d\u540c\u8d28\u73b0\u8c61\u7684\u89c6\u89c9\u7279\u5f81\uff0c\u4f53\u73b0\u7269\u4f53\u8868\u9762\u7684\u5177\u6709\u7f13\u6162\u53d8\u6362\u6216\u5468\u671f\u6027\u53d8\u5316\u7684\u8868\u9762\u7ec4\u7ec7\u7ed3\u6784\u6392\u5217\u5c5e\u6027\u3002\u56fe\u50cf\u7eb9\u7406\u901a\u8fc7\u50cf\u7d20\u53ca\u5176\u5468\u56f4\u7a7a\u95f4\u90bb\u57df\u7684\u7070\u5ea6\u5206\u5e03\u6765\u8868\u73b0\uff0c\u5373<strong><strong>\u5c40\u90e8\u7eb9\u7406\u4fe1\u606f<\/strong><\/strong><\/p>\n\n\n\n<p>\u7070\u5ea6\u5171\u751f\u77e9\u9635\uff1a\u5728\u5047\u5b9a\u56fe\u50cf\u4e2d\u5404\u50cf\u7d20\u95f4\u7684\u7a7a\u95f4\u5206\u5e03\u5173\u7cfb\u5305\u542b\u4e86\u56fe\u50cf\u7eb9\u7406\u4fe1\u606f\u7684\u524d\u63d0\u4e0b\uff0c\u63d0\u51fa\u7684\u5177\u6709\u5e7f\u6cdb\u6027\u7684\u7eb9\u7406\u5206\u6790\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>Haar-like Represention\uff1a\u662f\u4e00\u79cd\u4eba\u8138\u68c0\u6d4b\u7279\u5f81\u3002\u5305\u542b\u56db\u79cd\u7279\u5f81\uff0c\u5177\u4f53\u4e3a\u4ec0\u4e48\u4f7f\u7528\u8fd9\u6837\u7279\u5f81\u7684\u77e9\u9635\uff0c\u662f\u56e0\u4e3a\u773c\u775b\u8981\u6bd4\u8138\u988a\u989c\u8272\u8981\u6df1\uff0c\u9f3b\u6881\u4e24\u4fa7\u6bd4\u9f3b\u6881\u989c\u8272\u8981\u6df1\u3002\u540c\u6837\u5bf9\u4e8e\u5176\u4ed6\u76ee\u6807\uff0c\u5982\u773c\u775b\u7b49\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e00\u4e9b\u77e9\u5f62\u7279\u5f81\u6765\u8868\u793a\u3002\u6211\u4eec\u5e0c\u671b\u5f53\u628a\u77e9\u5f62\u653e\u5230\u4eba\u8138\u533a\u57df\u8ba1\u7b97\u51fa\u6765\u7684\u7279\u5f81\u503c\u548c\u653e\u5230\u975e\u4eba\u8138\u533a\u57df\u8ba1\u7b97\u51fa\u6765\u7684\u7279\u5f81\u503c\u5dee\u522b\u8d8a\u5927\u8d8a\u597d\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u7528\u6765\u533a\u5206\u4eba\u8138\u548c\u975e\u4eba\u8138\u3002\u5e76\u4e14\u4f7f\u7528\u7279\u5f81\u6bd4\u5355\u7eaf\u5730\u4f7f\u7528\u50cf\u7d20\u70b9\u5177\u6709\u5f88\u5927\u7684\u4f18\u8d8a\u6027\uff0c\u5e76\u4e14\u901f\u5ea6\u66f4\u5feb\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/blog.csdn.net\/my_kun\/article\/details\/107060287\">CV\u7b14\u8bb010\uff1a\u4eba\u8138\u68c0\u6d4b\u4e4bHaar-like\u7279\u5f81_haarlike\u7279\u5f81\u4f18\u7f3a\u70b9-CSDN\u535a\u5ba2<\/a><\/p>\n\n\n\n<p>LBP\u3001Gabor\u6ee4\u6ce2\u5668\u662f\u4e00\u79cd\u7b97\u5b50\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u4e2d\u5c42\u8bed\u4e49\u5c5e\u6027<\/strong><\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><\/p>\n<cite>\u53ef\u4ee5\u901a\u8fc7\u8bed\u4e49\u4fe1\u606f\u6765\u5224\u65ad\u4e24\u5f20\u56fe\u50cf\u4e2d\u662f\u5426\u5c5e\u4e8e\u540c\u4e00\u884c\u4eba\uff0c\u6bd4\u5982\u989c\u8272\u3001\u8863\u670d\u4ee5\u53ca\u643a\u5e26\u7684\u5305\u7b49\u4fe1\u606f\u3002\u76f8\u540c\u7684\u884c\u4eba\u5728\u4e0d\u540c\u89c6\u9891\u62cd\u6444\u4e0b\uff0c\u8bed\u4e49\u5c5e\u6027\u5f88\u5c11\u53d8\u5316\u3002\u6709\u7684\u91c7\u752815\u79cd\u8bed\u4e49\u6765\u63cf\u8ff0\u884c\u4eba\uff0c\u5305\u62ec\u978b\u5b50\u3001\u5934\u53d1\u989c\u8272\u957f\u77ed\u3001\u662f\u5426\u643a\u5e26\u7269\u54c1\u7b49\uff0c\u5206\u7c7b\u5668\u7528SVM\u5b9a\u4e49\u6bcf\u5e45\u884c\u4eba\u56fe\u50cf\u7684\u4ee5\u4e0a\u8bed\u4e49\u5c5e\u6027\u3002\u7ed3\u5408\u8bed\u4e49\u5c5e\u6027\u91cd\u8981\u6027\u52a0\u6743\u4ee5\u53ca\u4e0e\u5e95\u5c42\u7279\u5f81\u878d\u5408\uff0c\u6700\u7ec8\u63cf\u8ff0\u884c\u4eba\u56fe\u50cf\u3002\u5bf9\u56fe\u50cf\u8d85\u50cf\u7d20\u5212\u5206\uff0c\u6700\u8fd1\u5206\u5272\u7b97\u6cd5\u5bf9\u56fe\u50cf\u5757\u5b9a\u4e49\u591a\u79cd\u7279\u5f81\u5c5e\u6027\uff0c\u989c\u8272\u3001\u4f4d\u7f6e\u548cSIFT\u7279\u5f81\uff0c\u6548\u679c\u6709\u63d0\u9ad8\u3002<\/cite><\/blockquote>\n\n\n\n<p>\u56fe\u50cf\u7684\u8bed\u4e49\u5206\u4e3a\u89c6\u89c9\u5c42\u3001\u5bf9\u8c61\u5c42\u548c\u6982\u5ff5\u5c42\uff0c\u89c6\u89c9\u5c42\u5373\u901a\u5e38\u6240\u7406\u89e3\u7684\u5e95\u5c42\uff0c\u5373\u989c\u8272\u3001\u7eb9\u7406\u548c\u5f62\u72b6\u7b49\u7b49\uff0c\u8fd9\u4e9b\u7279\u5f81\u90fd\u88ab\u79f0\u4e3a\u5e95\u5c42\u7279\u5f81\u8bed\u4e49\uff1b\u5bf9\u8c61\u5c42\u5373\u4e2d\u95f4\u5c42\uff0c\u901a\u5e38\u5305\u542b\u4e86\u5c5e\u6027\u7279\u5f81\u7b49\uff0c\u5c31\u662f\u67d0\u4e00\u5bf9\u8c61\u5728\u67d0\u4e00\u65f6\u523b\u7684\u72b6\u6001\uff1b\u6982\u5ff5\u5c42\u662f\u9ad8\u5c42\uff0c\u662f\u56fe\u50cf\u8868\u8fbe\u51fa\u7684\u6700\u63a5\u8fd1\u4eba\u7c7b\u7406\u89e3\u7684\u4e1c\u897f\u3002\u901a\u4fd7\u70b9\u8bf4\uff0c\u6bd4\u5982\u4e00\u5f20\u56fe\u4e0a\u6709\u6c99\u5b50\uff0c\u84dd\u5929\uff0c\u6d77\u6c34\u7b49\uff0c\u89c6\u89c9\u5c42\u662f\u4e00\u5757\u5757\u7684\u533a\u5206\uff0c\u5bf9\u8c61\u5c42\u662f\u6c99\u5b50\u3001\u84dd\u5929\u548c\u6d77\u6c34\u8fd9\u4e9b\uff0c\u6982\u5ff5\u5c42\u5c31\u662f\u6d77\u6ee9\uff0c\u8fd9\u662f\u8fd9\u5f20\u56fe\u8868\u73b0\u51fa\u7684\u8bed\u4e49\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u9ad8\u7ea7\u89c6\u89c9\u7279\u5f81<\/strong><\/h4>\n\n\n\n<p>\u8fd9\u4e00\u5757\u6bd4\u524d\u9762\u4e24\u5757\u96be\u7406\u89e3\u3002\u5176\u5b9e\u770b\u4e0b\u6765\u5c31\u662f\u7ecf\u8fc7\u66f4\u52a0\u590d\u6742\u7684\u8ba1\u7b97\uff0c\u5f97\u5230\u5f62\u72b6\u3001\u59ff\u6001\u7b49\u7279\u5f81\u3002\u53e6\u5916\u8fd8\u63d0\u51fa\uff0c\u73b0\u5728\u4e5f\u501f\u52a9\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u6765\u63d0\u53d6\u56fe\u50cf\u7684\u9ad8\u5c42\u7279\u5f81\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u57fa\u4e8e\u5ea6\u91cf\u5b66\u4e60\u7684ReID\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><\/p>\n<cite>\u5ea6\u91cf\u5b66\u4e60(Metric learning)\u662f\u5e7f\u6cdb\u7528\u4e8e\u56fe\u50cf\u68c0\u7d22\u9886\u57df\u7684\u4e00\u79cd\u65b9\u6cd5\u3002\u4e0d\u540c\u4e8e\u7279\u5f81\u5b66\u4e60\uff0c\u5ea6\u91cf\u5b66\u4e60\u65e8\u5728\u901a\u8fc7\u7f51\u7edc\u5b66\u4e60\u51fa\u4e24\u5f20\u56fe\u7247\u7684\u76f8\u4f3c\u5ea6\u3002\u5728\u884c\u4eba\u91cd\u8bc6\u522b\u95ee\u9898\u4e0a\uff0c\u5177\u4f53\u4e3a\u540c\u4e00\u884c\u4eba\u7684\u4e0d\u540c\u56fe\u7247\u76f8\u4f3c\u5ea6\u5927\u4e8e\u4e0d\u540c\u884c\u4eba\u7684\u4e0d\u540c\u56fe\u7247\u3002\u6700\u540e\u7f51\u7edc\u7684\u635f\u5931\u51fd\u6570\u4f7f\u5f97\u76f8\u540c\u884c\u4eba\u56fe\u7247\uff08\u6b63\u6837\u672c\u5bf9\uff09\u7684\u8ddd\u79bb\u5c3d\u53ef\u80fd\u5c0f\uff0c\u4e0d\u540c\u884c\u4eba\u56fe\u7247\uff08\u8d1f\u6837\u672c\u5bf9\uff09\u7684\u8ddd\u79bb\u5c3d\u53ef\u80fd\u5927\u3002\u5e38\u7528\u7684\u5ea6\u91cf\u5b66\u4e60\u635f\u5931\u65b9\u6cd5\u6709<strong>\u5bf9\u6bd4\u635f\u5931(Contrastive loss)<\/strong>\u3001<strong>\u4e09\u5143\u7ec4\u635f\u5931(Triplet loss)<\/strong>\u3001\u00a0<strong>\u56db\u5143\u7ec4\u635f\u5931(Quadruplet loss)<\/strong>\u3001<strong>\u96be\u6837\u672c\u91c7\u6837\u4e09\u5143\u7ec4\u635f\u5931(Triplet hard loss with batch hard mining, TriHard loss)<\/strong>\u3002<\/cite><\/blockquote>\n\n\n\n<p>\u5bf9\u6bd4\u635f\u5931\uff1a\u5bf9\u4e8e\u5b6a\u751f\u7f51\u7edc\u7ed3\u6784\uff0c\u8f93\u5165\u4e24\u4e2a\u56fe\u7247\uff0c\u62c9\u8fd1\u6b63\u6837\u672c\u5bf9\u95f4\u7684\u8ddd\u79bb\u8d8b\u4e8e0(y=1)\uff0c\u63a8\u5f00\u8d1f\u6837\u672c\u5bf9\u8ddd\u79bb\u5927\u4e8e\u03b1(y=0)\uff0cy\u662f\u6807\u7b7e(\u8868\u793a\u662f\u5426\u4e3a\u540c\u4e00\u4e2a\u4eba)\uff0c\u03b1\u662f\u624b\u52a8\u8bbe\u7f6e\u7684\u9608\u503c\uff0c\u6bd4\u59820.5\uff0c0.6\u3002\u5c31\u662f\u8ba1\u7b97\u8fd9\u4e2a\u5b6a\u751f\u7f51\u7edc\u4e2d\u4e24\u4e2a\u8f93\u51fa\u7684\u4e4b\u95f4\u7684\u6b27\u5f0f\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u4e09\u5143\u7ec4\u635f\u5931\uff1a\u9700\u8981\u8f93\u51653\u5f20\u56fe\u7247\u3002\u5173\u952e\u662f\u8fd9\u4e09\u5f20\u56fe\u7247\u662f\u600e\u6837\u7684\u56fe\u7247\u3002\u8fd9\u4e09\u5f20\u56fe\u7247\u53ef\u4ee5\u79f0\u4e3aanchor\uff0cPositive\u3010\u4e0eanchor\u662f\u540c\u4e00\u4e2a\u884c\u4eba\u5c31\u662f\u6b63\u6837\u672c\u56fe\u7247\u3011\uff0cNegative\u3010\u4e0eanchor\u4e0d\u662f\u540c\u4e00\u4e2a\u4eba\u7684\u5c31\u662f\u8d1f\u6837\u672c\u56fe\u7247\u3011\u3002\u4e5f\u5c31\u662f\uff0c\u4e09\u5f20\u56fe\u7247\u662f\u6709\u4e24\u4e2aID\u7684\u3002\u5b66\u4e60\u7684\u8fc7\u7a0b\u5c31\u662f\u62c9\u8fd1\u6b63\u6837\u672c\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u63a8\u5f00\u8d1f\u6837\u672c\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u56db\u5143\u7ec4\u635f\u5931\uff1a\u4e09\u5143\u7ec4\u635f\u5931\u7684\u6539\u8fdb\u7248\u3002\u6bcf\u6b21\u8f93\u5165\u56db\u5f20\u56fe\u7247\uff0ca:anchor\u56fe\u7247\uff0cp:\u6b63\u6837\u672c\uff0cn1,n2\u662f\u4e24\u4e2a\u8d1f\u6837\u672c\u56fe\u7247\u3002<\/p>\n\n\n\n<p>\u635f\u5931\u51fd\u6570\uff0c\u8f93\u5165\u4e0d\u540c\uff0c\u8ba1\u7b97\u516c\u5f0f\u4e0d\u540c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u57fa\u4e8e\u5c40\u90e8\u7279\u5f81\u7684ReID\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n<p>\u53ea\u5173\u6ce8\u5168\u5c40\u7279\u5f81\uff0c\u5e26\u6765\u4e86\u74f6\u9888\uff0c\u6240\u4ee5\u63d0\u51fa\u5c40\u90e8\u7279\u5f81\u3002\u5e38\u7528\u7684\u63d0\u53d6\u5c40\u90e8\u7279\u5f81\u7684\u601d\u8def\u4e3b\u8981\u6709\u56fe\u50cf\u5207\u5757\u3001\u5229\u7528\u9aa8\u67b6\u5173\u952e\u70b9\u5b9a\u4f4d\u4ee5\u53ca\u59ff\u6001\u77eb\u6b63\u7b49\u7b49\u3002\u59ff\u6001\u77eb\u6b63\u4e5f\u63d0\u51fa\u4e86\u8bf8\u591a\u6a21\u578b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u57fa\u4e8e\u89c6\u9891\u5e8f\u5217\u7684ReID\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n<p>\u8fd9\u4e00\u5757\u6bd4\u8f83\u597d\u7406\u89e3\uff0c\u6211\u5c31\u61d2\u5f97\u8bb0\u5f55\u4e86\uff0c\u5176\u5b9e\u5185\u5bb9\u8fd8\u662f\u6709\u70b9\u591a\u7684\uff0c\u4e3b\u8981\u6211\u61d2\u5f97\u642c\u8fd0\u4e86\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u540e<\/h2>\n\n\n\n<p>\u8fd9\u7bc7\u6587\u7ae0\u53ef\u8bfb\u6027\u4e0d\u662f\u5f88\u597d\uff0c\u66f4\u591a\u662f\u672c\u4eba\u4e00\u4e2a\u5b66\u4e60\u8bb0\u5f55\uff0c\u5c06\u4e00\u4e9b\u89e3\u91ca\u8fdb\u884c\u642c\u8fd0\uff0c\u6574\u5408\u5230\u4e00\u8d77\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003<\/h2>\n\n\n\n<p><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/456060221\">\u884c\u4eba\u91cd\u8bc6\u522b(Person re-identification)\u6982\u8ff0 &#8211; \u77e5\u4e4e (zhihu.com)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u662f\u4e00\u7bc7\u642c\u8fd0\u7b14\u8bb0\u3002<\/p>\n","protected":false},"author":1,"featured_media":1259,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-1838","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-8"],"views":1684,"_links":{"self":[{"href":"https:\/\/setabout.cn\/index.php?rest_route=\/wp\/v2\/posts\/1838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/setabout.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/setabout.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/setabout.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/setabout.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1838"}],"version-history":[{"count":4,"href":"https:\/\/setabout.cn\/index.php?rest_route=\/wp\/v2\/posts\/1838\/revisions"}],"predecessor-version":[{"id":1846,"href":"https:\/\/setabout.cn\/index.php?rest_route=\/wp\/v2\/posts\/1838\/revisions\/1846"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/setabout.cn\/index.php?rest_route=\/wp\/v2\/media\/1254"}],"wp:attachment":[{"href":"https:\/\/setabout.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/setabout.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/setabout.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}