{"id":2430,"date":"2024-01-24T01:34:54","date_gmt":"2024-01-23T17:34:54","guid":{"rendered":"https:\/\/www.lanxy.ink\/?p=2430"},"modified":"2024-01-26T14:05:43","modified_gmt":"2024-01-26T06:05:43","slug":"real-time-weakly-supervised-video-anomaly-detection-%e8%ae%ba%e6%96%87%e8%a7%a3%e8%af%bb","status":"publish","type":"post","link":"https:\/\/www.lanxy.ink\/?p=2430","title":{"rendered":"Real-Time Weakly Supervised Video Anomaly Detection \u8bba\u6587\u89e3\u8bfb"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u540d\u79f0\uff1a\u5b9e\u65f6\u5f31\u76d1\u7763\u89c6\u9891\u5f02\u5e38\u68c0\u6d4b<\/p>\n<cite>\u94fe\u63a5\uff1a<a href=\"https:\/\/openaccess.thecvf.com\/content\/WACV2024\/papers\/Karim_Real-Time_Weakly_Supervised_Video_Anomaly_Detection_WACV_2024_paper.pdf\">openaccess.thecvf.com\/content\/WACV2024\/papers\/Karim_Real-Time_Weakly_Supervised_Video_Anomaly_Detection_WACV_2024_paper.pdf<\/a><\/cite><\/blockquote>\n\n\n\n<div class='admonition shadow-sm admonition-primary'><div class='admonition-body'>\u5173\u4e8e\u8be5\u8bba\u6587\u7684\u7ffb\u8bd1\uff0c\u53ef\u53c2\u8003\u6211\u7684OneNote\u7b14\u8bb0\uff1a<a href=\"https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/\u65b0\u5206\u533a 2.one\">\u70b9\u51fb\u4e0b\u8f7d<\/a><\/div><\/div>\n\n\n\n<p>\u4e00\u7bc7\u5173\u4e8e\u89c6\u9891\u5f02\u5e38\u68c0\u6d4b\u7684\u8bba\u6587\uff0c\u7b80\u8981\u6574\u7406\u4e86\u4e00\u4e0b\u3002\u6587\u7ae0\u63d0\u51fa\u4e86\u7b2c\u4e00\u4e2a<strong>\u5b9e\u65f6<\/strong>\u4e14<strong>\u7aef\u5230\u7aef<\/strong>\u8bad\u7ec3\u7684\u5f31\u76d1\u7763\u89c6\u9891\u5f02\u5e38\u68c0\u6d4b(wVAD)\u7b97\u6cd5\uff0c\u79f0\u4e3a <strong>REWARD (R<\/strong>eal-Time <strong>E<\/strong>nd-to-End <strong>W<\/strong>eakly Supervised Video <strong>A<\/strong>nomaly <strong>R<\/strong>elevance <strong>D<\/strong>etector<strong>)<\/strong>\u3002<\/p>\n\n\n\n<p>\u6240\u8c13\u7684\u5b9e\u65f6\uff0c\u5373\u76f8\u6bd4\u8d77\u9700\u8981\u628a\u4e00\u6574\u4e2a\u89c6\u9891\u9001\u8fdb\u6a21\u578b\u91cc\u624d\u80fd\u68c0\u6d4b\u51fa\u5f02\u5e38\u7684\u65b9\u6cd5\u6765\u8bf4\uff0c\u4f5c\u8005\u63d0\u51fa\u7684\u6a21\u578b\u5177\u6709\u5f88\u77ed\u7684\u51b3\u7b56\u5468\u671f\uff086.4\u79d2\uff09\uff0c\u80fd\u5728\u77ed\u65f6\u95f4\u5185\u8f93\u51fa\u5f53\u524d\u662f\u5426\u5b58\u5728\u5f02\u5e38\u7247\u6bb5\uff0c\u4ee5\u8fbe\u5230\u5b9e\u65f6\u68c0\u6d4b\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u6240\u8c13\u7aef\u5230\u7aef\uff0c\u8f93\u5165\u76f4\u63a5\u5c31\u662f\u539f\u59cb\u6570\u636e\uff0c\u8f93\u51fa\u76f4\u63a5\u5c31\u662f\u6700\u7ec8\u7ed3\u679c\uff0c\u5f53\u4e0b\u6d41\u884c\u7684wVAD\u6d41\u7a0b\uff0c\u9700\u8981\u5148\u63d0\u53d6\u7279\u5f81\uff0c\u8fd9\u4e2a\u7279\u5f81\u96c6\u624d\u662f\u6a21\u578b\u7684\u8f93\u5165\uff0c\u518d\u8fdb\u884c\u7279\u5f81\u7f16\u7801\uff0c\u7136\u540e\u518d\u4ee5\u4e8c\u5206\u7c7b\u95ee\u9898\u7684\u89e3\u6cd5\u5f97\u5230\u5f02\u5e38\u89c6\u9891\u7247\u6bb5\u9884\u6d4b\u5b9a\u4f4d\uff0c\u800c\u4f5c\u8005\u6240\u63d0\u51fa\u7684\u65b9\u6cd5\u7b80\u5316\u4e86\u6d41\u884c\u7684wVAD\u65b9\u6cd5\uff0c\u76f4\u63a5\u8f93\u5165\u5e26\u6709\u5f02\u5e38\u7247\u6bb5\u7684\u89c6\u9891\uff0c\u5e76\u4e14\u6027\u80fd\u66f4\u4f18\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/QQ\u622a\u56fe20240121113851.png'><img class=\"lazyload lazyload-style-5\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"796\" height=\"650\" data-original=\"https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/QQ\u622a\u56fe20240121113851.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2431\" style=\"width:561px;height:auto\"  sizes=\"auto, (max-width: 796px) 100vw, 796px\" \/><\/div><\/figure>\n<\/div>\n\n\n<p>\u4f5c\u8005\u7684\u65b9\u6cd5\u5728 wVAD \u6570\u636e\u96c6\uff08\u5982 UCF-Crime \u548c XD-Violence \uff09\u4e0a\u7684\u6027\u80fd\u4f18\u4e8e\u51b3\u7b56\u5468\u671f\u4e3a273\u79d2\u7684\u6700\u5148\u8fdb\u65b9\u6cd5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd5\u8bba<\/h2>\n\n\n\n<p>\u4f5c\u8005\u7684\u603b\u4f53\u8bad\u7ec3\u6846\u67b6\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/QQ\u622a\u56fe20240121214834.png'><img class=\"lazyload lazyload-style-5\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"485\" height=\"221\" data-original=\"https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/QQ\u622a\u56fe20240121214834.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2437\" style=\"width:485px;height:auto\"  sizes=\"auto, (max-width: 485px) 100vw, 485px\" \/><\/div><\/figure>\n<\/div>\n\n\n<p>\u7b80\u5355\u6982\u8ff0\u6709\u4e09\u6b65\uff1a<\/p>\n\n\n\n<p>1. <strong>\u7528<\/strong> \u63d0\u53d6\u7684\u89c6\u9891\u7279\u5f81\uff0c<strong>\u8bad\u7ec3<\/strong> k\u8fd1\u90bb \u7f51\u7edc\uff0c<strong>\u5f97\u5230<\/strong> \u5f02\u5e38\u7247\u6bb5\u7d22\u5f15\uff1b<br>2. <strong>\u7528<\/strong> \u5f02\u5e38\u7247\u6bb5\u7d22\u5f15\u4e0e\u89c6\u9891\u7279\u5f81\uff0c<strong>\u8bad\u7ec3<\/strong> \u591a\u5c42\u611f\u77e5\u673a\uff0c<strong>\u5f97\u5230<\/strong> \u9ad8\u8d28\u91cf\u5f02\u5e38\u7247\u6bb5\u7d22\u5f15\uff1b<br>3. <strong>\u7528<\/strong> \u5e26\u6709\u9ad8\u8d28\u91cf\u5f02\u5e38\u7247\u6bb5\u7d22\u5f15\u7684\u5f02\u5e38\u89c6\u9891\uff0c<strong>\u8bad\u7ec3<\/strong> \u5927\u578b\u89c6\u9891\u6a21\u578b\uff0c\u5982Transformer\u3002<\/p>\n\n\n\n<p>\u4f5c\u8005\u6307\u51fa\uff0c<strong>\u7aef\u5230\u7aef\u8bad\u7ec3\u53ef\u4ee5\u901a\u8fc7\u6d88\u9664\u7279\u5f81\u7ec6\u5316(feature refinement)\u7684\u9700\u6c42\u6765\u7b80\u5316\u6574\u4e2a\u673a\u5668\u5b66\u4e60\u6d41\u7a0b\u3002\u6b64\u5916\uff0c\u5b83\u53ef\u4ee5\u5e26\u6765\u66f4\u597d\u7684\u5b9e\u65f6\u6027\u80fd<\/strong>\uff0c\u6a21\u578b\u53ef\u4ee5\u76f4\u63a5\u4ece\u539f\u59cb\u8f93\u5165\u6570\u636e\u4e2d\u5b66\u4e60\u4efb\u52a1\u7279\u5b9a\u7684\u8868\u793a\uff0c\u800c\u65e0\u9700\u8fdb\u884c\u7279\u5f81\u805a\u5408(feature aggregation) \u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u5f02\u5e38\u68c0\u6d4b\u8bad\u7ec3\u65f6\uff0c\u5f02\u5e38\u89c6\u9891\u7684\u6807\u7b7e\u901a\u5e38\u90fd\u4e0d\u652f\u6301\u6709\u76d1\u7763\u5b66\u4e60\uff0c\u6240\u4ee5<strong>\u5ea6\u91cf\u5b66\u4e60\u635f\u5931<\/strong>\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u635f\u5931\u51fd\u6570\u3002\u5ea6\u91cf\u5b66\u4e60\u635f\u5931\u7684\u76ee\u6807\u662f\u6700\u5c0f\u5316\u540c\u7c7b\u6837\u672c\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u5e76\u6700\u5927\u5316\u4e0d\u540c\u7c7b\u6837\u672c\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u4ece\u800c\u63d0\u9ad8\u7279\u5f81\u7684\u8d28\u91cf\u3002<br>\u5728\u4e4b\u524d\u7684\u8bba\u6587\u89e3\u8bfb\u4e2d\uff0c\u662f\u9047\u5230\u8fc7\u5ea6\u91cf\u5b66\u4e60\u635f\u5931\u7684\uff0c\u6bd4\u5982<a href=\"https:\/\/www.lanxy.ink\/?p=2386#:~:text=%E5%9C%A8%E8%BF%99%E9%87%8C%E9%9C%80%E8%A6%81%E7%BA%A6%E6%9D%9F%E6%AD%A3%E4%BE%8B%EF%BC%88%E5%BC%82%E5%B8%B8%E7%89%87%E6%AE%B5%EF%BC%89%E7%9A%84%E6%9C%80%E9%AB%98%E5%88%86%E6%95%B0%E5%A4%A7%E4%BA%8E%E8%B4%9F%E4%BE%8B%EF%BC%88%E5%BC%82%E5%B8%B8%E7%89%87%E6%AE%B5%EF%BC%89%E7%9A%84%E6%9C%80%E9%AB%98%E5%88%86%E6%95%B0%EF%BC%8C%E4%B9%9F%E9%9C%80%E8%A6%81%E6%9C%80%E5%A4%A7%E5%8C%96%E6%AD%A3%E8%B4%9F%E5%AE%9E%E4%BE%8B%E4%B9%8B%E9%97%B4%E7%9A%84%E5%88%86%E7%A6%BB%E5%BA%A6%EF%BC%8C%E4%BD%BF%E6%AD%A3%E5%B8%B8%E7%89%87%E6%AE%B5%E5%92%8C%E5%BC%82%E5%B8%B8%E7%89%87%E6%AE%B5%E5%B0%BD%E9%87%8F%E5%8C%BA%E5%88%86%E5%BC%80%EF%BC%8C%E4%BD%BF%E7%94%A8%E5%9F%BA%E4%BA%8Ehinge%E7%9A%84%E6%8E%92%E5%90%8D%E6%8D%9F%E5%A4%B1%E5%A6%82%E4%B8%8B%E5%BC%8F%E6%89%80%E7%A4%BA%EF%BC%9A\" data-type=\"link\" data-id=\"https:\/\/www.lanxy.ink\/?p=2386#:~:text=%E5%9C%A8%E8%BF%99%E9%87%8C%E9%9C%80%E8%A6%81%E7%BA%A6%E6%9D%9F%E6%AD%A3%E4%BE%8B%EF%BC%88%E5%BC%82%E5%B8%B8%E7%89%87%E6%AE%B5%EF%BC%89%E7%9A%84%E6%9C%80%E9%AB%98%E5%88%86%E6%95%B0%E5%A4%A7%E4%BA%8E%E8%B4%9F%E4%BE%8B%EF%BC%88%E5%BC%82%E5%B8%B8%E7%89%87%E6%AE%B5%EF%BC%89%E7%9A%84%E6%9C%80%E9%AB%98%E5%88%86%E6%95%B0%EF%BC%8C%E4%B9%9F%E9%9C%80%E8%A6%81%E6%9C%80%E5%A4%A7%E5%8C%96%E6%AD%A3%E8%B4%9F%E5%AE%9E%E4%BE%8B%E4%B9%8B%E9%97%B4%E7%9A%84%E5%88%86%E7%A6%BB%E5%BA%A6%EF%BC%8C%E4%BD%BF%E6%AD%A3%E5%B8%B8%E7%89%87%E6%AE%B5%E5%92%8C%E5%BC%82%E5%B8%B8%E7%89%87%E6%AE%B5%E5%B0%BD%E9%87%8F%E5%8C%BA%E5%88%86%E5%BC%80%EF%BC%8C%E4%BD%BF%E7%94%A8%E5%9F%BA%E4%BA%8Ehinge%E7%9A%84%E6%8E%92%E5%90%8D%E6%8D%9F%E5%A4%B1%E5%A6%82%E4%B8%8B%E5%BC%8F%E6%89%80%E7%A4%BA%EF%BC%9A\">\u8fd9\u7bc7\u63d0\u5230\u7684\u57fa\u4e8ehinge\u7684\u6392\u540d\u635f\u5931\uff08\u70b9\u51fb\u8df3\u8f6c\uff09<\/a>\u3002<\/p>\n\n\n\n<p>\u4f46\u662f\u5ea6\u91cf\u5b66\u4e60\u635f\u5931\u4e0d\u80fd\u7528\u5728\u4f5c\u8005\u63d0\u5230\u7684\u7aef\u5230\u7aef\u8bad\u7ec3\u6a21\u578b\u4e2d\u3002\u4ee5MIL\u6392\u5e8f\u635f\u5931\u4e3a\u4f8b\uff0c\u5b83\u9700\u8981\u540c\u65f6\u8bad\u7ec3\u76f8\u540c\u6570\u91cf\u7684\u5f02\u5e38\u89c6\u9891\u548c\u6b63\u5e38\u89c6\u9891\uff0c\u4ee5\u6700\u5927\u5316\u4e24\u7ec4\u6837\u672c\u4e4b\u95f4\u7684\u5206\u79bb\u5ea6\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u4e24\u4e2a\u95ee\u9898\uff1a<strong>\u5728\u5355\u4e2aGPU\u4e2d\u540c\u65f6\u5904\u7406\u5927\u91cf\u89c6\u9891\u7247\u6bb5\u9700\u8981\u5927\u91cf\u7684\u5185\u5b58\uff0c\u800c\u4e14\u7279\u5f81\u63d0\u53d6\u5668\u7684\u53c2\u6570\u6570\u91cf\u6bd4\u7279\u5f81\u7f16\u7801\u5668\u591a\u51e0\u4e2a\u6570\u91cf\u7ea7<\/strong>\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/QQ\u622a\u56fe20240121222927.png'><img class=\"lazyload lazyload-style-5\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"532\" height=\"409\" data-original=\"https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/QQ\u622a\u56fe20240121222927.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2434\" style=\"width:450px;height:auto\"  sizes=\"auto, (max-width: 532px) 100vw, 532px\" \/><\/div><figcaption class=\"wp-element-caption\">\u5ea6\u91cf\u5b66\u4e60\u635f\u5931\u7684\u5185\u5b58\u74f6\u9888<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u4e8e\u662f\u4f5c\u8005\u7684\u66ff\u4ee3\u65b9\u6848\u662f\uff1a<strong>\u4e3a\u5f02\u5e38\u89c6\u9891\u751f\u6210\u7247\u6bb5\u7ea7\u7684\u4f2a\u6807\u7b7e\uff0c\u5e76\u7528\u66f4\u8282\u7701\u5185\u5b58\u7684\u635f\u5931\u51fd\u6570<\/strong>\uff08\u5e94\u7528\u4e2d\u4f7f\u7528\u4e86\u4e8c\u5143\u4ea4\u53c9\u71b5\u635f\u5931\uff0cBCE\uff09\u66ff\u6362\u4e86\u5ea6\u91cf\u5b66\u4e60\u635f\u5931\u51fd\u6570\u3002<\/p>\n\n\n\n<p>\u4e3a\u751f\u6210\u7247\u6bb5\u7ea7\u4f2a\u6807\u7b7e\uff0c\u4f5c\u8005\u63d0\u51fa\u4e86REWARD\u7f51\u7edc\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/\u5fae\u4fe1\u622a\u56fe_20240124001502.jpg'><img class=\"lazyload lazyload-style-5\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"987\" height=\"681\" data-original=\"https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/\u5fae\u4fe1\u622a\u56fe_20240124001502.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2436\"  sizes=\"auto, (max-width: 987px) 100vw, 987px\" \/><\/div><\/figure>\n\n\n\n<p>\u6bcf\u4e00\u4e2a\u73af\u8282\u7684\u8bf4\u660e\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u2460 \u5404\u6b63\u5e38\u89c6\u9891\u548c\u5f02\u5e38\u89c6\u9891\u5212\u5206\u4e3a T \u4e2a\u7247\u6bb5\uff0c\u5e76\u4f7f\u7528 <a href=\"https:\/\/blog.csdn.net\/zephyr_wang\/article\/details\/130348138\">Uniformer-32<\/a> \u63d0\u53d6\u7279\u5f81\uff0c\u4ee5\u83b7\u5f97\u6b63\u5e38\u89c6\u9891\u548c\u5f02\u5e38\u89c6\u9891\u7684\u7279\u5f81\u8868\u793a\uff0c\u5206\u522b\u4e3a\uff1a\uff08\u5176\u4e2d P \u662f\u7279\u5f81\u5411\u91cf\u7684\u7ef4\u5ea6\uff09<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-19.png'><img class=\"lazyload lazyload-style-5\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"208\" height=\"26\" data-original=\"https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-19.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2440\" style=\"width:336px;height:auto\"\/><\/div><\/figure>\n<\/div>\n\n\n<p>\u2461 \u5c06\u5f02\u5e38\u89c6\u9891\u7279\u5f81\u96c6 Fa \u4e2d\u7684\u6bcf\u4e2a\u7247\u6bb5\u7684\u7279\u5f81\u4e0e\u6b63\u5e38\u89c6\u9891\u7279\u5f81\u96c6 Fn \u4e2d\u7684\u6240\u6709\u7279\u5f81\u5411\u91cf\u8fdb\u884c\u6bd4\u8f83\uff0c\u8ba1\u7b97\u5b83\u4eec\u4e4b\u95f4\u7684\u6b27\u51e0\u91cc\u5f97\u8ddd\u79bb\uff0c\u751f\u6210\u4e00\u4e2a T\u00d7N \u7684\u8ddd\u79bb\u77e9\u9635\u3002<\/p>\n\n\n\n<p>\u2462 \u5bf9\u6bcf\u4e00\u884c\u4e2d\u7684 N \u4e2a\u8ddd\u79bb\u6309\u5347\u5e8f\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n\n\n\n<p>\u2463 \u5bf9\u6bcf\u4e00\u884c\u5e94\u7528\u5e73\u5747\u6c60\u5316\u5c42\uff0c\u53ea\u53d6\u524dk\u4e2a\u5143\u7d20\u7684\u5e73\u5747\u503c\uff08\u5373 k\u8fd1\u90bb\uff0ckNN\uff0c\u5e94\u7528\u65f6\u53d6\u4e86 k = 20\uff09\u3002<br><em><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u6bcf\u4e2a kNN \u8ddd\u79bb\u63d0\u4f9b\u4e86<\/mark><\/em><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><em>\u5f02\u5e38\u89c6\u9891\u4e2d\u6bcf\u4e2a\u7247\u6bb5\u4e0e\u6b63\u5e38\u7247\u6bb5\u7684\u76f8\u4f3c\u5ea6\u4f30\u8ba1<\/em><\/mark><\/strong><em><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u3002<em><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u8ddd\u79bb<\/mark><\/em>\u503c\u8d8a\u5c0f\uff0c\u8868\u793a\u4e0e\u6b63\u5e38\u7279\u5f81\u7684\u76f8\u4f3c\u5ea6\u8d8a\u9ad8\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/mark><\/em><\/p>\n\n\n\n<p>\u2464 \u51cf\u53bb\u5e73\u5747\u503c\uff0c\u5c06 kNN \u8ddd\u79bb\u53d8\u4e3a<strong>\u96f6\u5747\u503c<\/strong>\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-21.png'><img class=\"lazyload lazyload-style-5\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"222\" height=\"73\" data-original=\"https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-21.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2442\"\/><\/div><\/figure>\n<\/div>\n\n\n<p>\u2465 <strong>\u5faa\u73af\u5e94\u7528\u7d2f\u79ef\u548c<\/strong>\uff0c\u5e76\u4f7f\u7528ReLU\u6fc0\u6d3b\u51fd\u6570\u8ba1\u7b97\u6bcf\u4e2a\u7247\u6bb5\u7684\u5f02\u5e38\u5206\u6570\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-22.png'><img class=\"lazyload lazyload-style-5\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"381\" height=\"30\" data-original=\"https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-22.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2443\"  sizes=\"auto, (max-width: 381px) 100vw, 381px\" \/><\/div><\/figure>\n<\/div>\n\n\n<p>\u5f02\u5e38\u89c6\u9891\u4e2d\u7247\u6bb5\u7684\u5f02\u5e38\u5206\u6570 Dt \uff0c\u5982\u679c\u4e0e\u6b63\u5e38\u7247\u6bb5\u76f8\u4f3c\u7684\u4f1a\u63a5\u8fd1 0\uff0c\u800c\u4e0e\u6b63\u5e38\u7247\u6bb5\u4e0d\u592a\u76f8\u4f3c\u7684\u4f1a\u53d6\u6b63\u503c\uff0c\u56e0\u6b64<strong>\u5177\u6709\u8f83\u5927 Dt \u503c\u7684\u7247\u6bb5\u5c06\u4f5c\u4e3a\u8f83\u4f18\u5019\u9009<\/strong>\u3002<\/p>\n\n\n\n<p>\u2466 \u5c06\u89c6\u9891\u4e2d\u6bcf\u4e2a\u7247\u6bb5\u7684\u5f02\u5e38\u5206\u6570 Dt <strong>\u9664\u4ee5\u89c6\u9891\u4e2d\u7684\u6700\u5927\u503c\u8fdb\u884c\u5f52\u4e00\u5316<\/strong>\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-24.png'><img class=\"lazyload lazyload-style-5\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"246\" height=\"41\" data-original=\"https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-24.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2446\" style=\"width:294px;height:auto\"\/><\/div><\/figure>\n<\/div>\n\n\n<p>\u2467 \u5bf9\u7b2c j \u4e2a\u89c6\u9891\u6709\uff1a\u9009\u62e9<strong>\u5f52\u4e00\u5316\u7684\u503c\u5927\u4e8e\u9608\u503c \u03bb <\/strong>\u2208<strong> (0.5, 1) \u7684\u7247\u6bb5\u6536\u96c6\u8d77\u6765\uff0c\u4f5c\u4e3a\u521d\u59cb\u5f02\u5e38\u7247\u6bb5\u7d22\u5f15\u96c6\u5408\uff1a<\/strong>\uff08\u5e94\u7528\u65f6\u53d6\u7684 \u03bb = 0.8\uff09<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-25.png'><img class=\"lazyload lazyload-style-5\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"239\" height=\"23\" data-original=\"https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-25.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2447\" style=\"width:343px;height:auto\"\/><\/div><\/figure>\n<\/div>\n\n\n<p><em><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u5c06\u6240\u6709\u5f02\u5e38\u89c6\u9891\u4e2d\u7684\u521d\u59cb\u96c6\u5408\u7ec4\u5408\u8d77\u6765\uff0c\u5f62\u6210\u96c6\u5408 I1\uff0c\u96c6\u5408\u91cc\u9762\u7684\u7247\u6bb5\u5f02\u5e38\u5206\u6570\u90fd\u5f88\u9ad8\uff0c\u7528\u4e8e\u591a\u5c42\u611f\u77e5\u673a\u7684\u8bad\u7ec3\u3002<\/mark><\/em><\/p>\n\n\n\n<p>\u2468 \u591a\u5c42\u611f\u77e5\u673a\u7684\u8bad\u7ec3\uff1a I1 \u4e2d\u5f02\u5e38\u7247\u6bb5\u6807\u8bb0\u4e3a 1\uff0c\u6b63\u5e38\u7247\u6bb5\u6807\u8bb0\u4e3a 0\uff0c\u635f\u5931\u51fd\u6570\u4e3aBCE\u3002<\/p>\n\n\n\n<p>\u2469 \u6240\u6709\u5f02\u5e38\u89c6\u9891\u4e2d\u7684\u7247\u6bb5\u90fd\u4f1a\u901a\u8fc7\u8bad\u7ec3\u597d\u7684MLP\u6765\u4f30\u8ba1\u5b83\u4eec\u5f02\u5e38\u7684\u6982\u7387 pt\u3002<\/p>\n\n\n\n<p>\u247e \u540c\u2464\u548c\u2465\uff0c\u91cd\u590d\u5e73\u6ed1\u64cd\u4f5c\uff0c\u5c06 pt \u51cf\u53bb\u5747\u503c\uff0c\u4f7f\u5176\u53d8\u6210\u96f6\u5747\u503c\uff0c\u5faa\u73af\u7d2f\u79ef\u548c\u4e4b\u540e\u5f97\u5230\u6bcf\u4e2a\u7247\u6bb5\u7684\u5f02\u5e38\u6982\u7387 Rt\u3002<\/p>\n\n\n\n<p>\u247f \u540c\u2466\uff0c Rt \u9664\u4ee5\u6700\u5927\u503c\uff0c\u5f52\u4e00\u5316\uff0c\u4f7f\u5176\u5728 0 \u5230 1 \u4e0a\u5206\u5e03 \uff08\u7b26\u53f7\u4e3a Rt\uff0cR\u4e0a\u9762\u4e00\u4e2a\u5927\u6ce2\u6d6a\uff09\u3002<\/p>\n\n\n\n<p>\u2480 \u65b9\u6cd5\u540c\u2467\uff0c\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\u5176\u9608\u503c\u8981\u4f4e\u4e00\u4e9b\uff0c\u8fd9\u91cc\u53d6\u7684\u89c6\u9891\u4e2d\u7247\u6bb5\u5f02\u5e38\u6982\u7387 Rt \u5f52\u4e00\u5316\u540e\u7684\u5e73\u5747\u503c\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-26.png'><img class=\"lazyload lazyload-style-5\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"323\" height=\"51\" data-original=\"https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-26.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2448\" style=\"width:475px;height:auto\"  sizes=\"auto, (max-width: 323px) 100vw, 323px\" \/><\/div><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-27.png'><img class=\"lazyload lazyload-style-5\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"132\" height=\"53\" data-original=\"https:\/\/www.lanxy.ink\/wp-content\/uploads\/2024\/01\/image-27.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2449\" 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