{"id":68092,"date":"2026-01-29T17:34:20","date_gmt":"2026-01-29T09:34:20","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/68092.html"},"modified":"2026-01-29T17:34:20","modified_gmt":"2026-01-29T09:34:20","slug":"%e6%95%b0%e6%8d%ae%e5%a2%9e%e5%bc%ba-%e8%ae%ad%e7%bb%83%e6%8a%80%e5%b7%a7randomresizedcrop224%e3%80%81randaugment%e3%80%81mixup-cutmix%e3%80%81randomerasing%e3%80%81labelsmoothing","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/68092.html","title":{"rendered":"\u6570\u636e\u589e\u5f3a \/ \u8bad\u7ec3\u6280\u5de7(RandomResizedCrop224\u3001RandAugment\u3001Mixup\/Cutmix\u3001RandomErasing\u3001LabelSmoothing)"},"content":{"rendered":"<h3>1.RandomResizedCrop(224)<\/h3>\n<\/p>\n<ul>\n<li>\n<p>Resized &#061; \u6539\u5c3a\u5bf8&#xff08;\u7f29\u653e&#xff09;<\/p>\n<\/li>\n<li>\n<p>Crop &#061; \u88c1\u526a<br \/>\n\u5408\u8d77\u6765&#xff1a;\u968f\u673a\u88c1\u526a\u540e\u518d\u7f29\u653e\u5230 224\u00d7224<\/p>\n<\/li>\n<\/ul>\n<p>\u5b83\u5728\u5e72\u561b<\/p>\n<ul>\n<li>\n<p>\u4ece\u539f\u56fe\u91cc\u968f\u673a\u88c1\u4e00\u5757&#xff08;\u5927\u5c0f\u3001\u4f4d\u7f6e\u90fd\u968f\u673a&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u518d resize \u5230 224\u00d7224<\/p>\n<\/li>\n<\/ul>\n<p>\u4e3a\u4ec0\u4e48\u6709\u7528<\/p>\n<ul>\n<li>\n<p>\u8feb\u4f7f\u6a21\u578b\u5b66\u201c\u76ee\u6807\u672c\u8eab\u201d&#xff0c;\u800c\u4e0d\u662f\u6b7b\u8bb0\u67d0\u4e2a\u56fa\u5b9a\u4f4d\u7f6e\/\u80cc\u666f<\/p>\n<\/li>\n<li>\n<p>\u76f8\u5f53\u4e8e\u544a\u8bc9\u6a21\u578b&#xff1a;<\/p>\n<p>\u201c\u4e1c\u897f\u5728\u54ea\u4e0d\u91cd\u8981&#xff0c;\u662f\u4ec0\u4e48\u624d\u91cd\u8981\u201d<\/p>\n<\/li>\n<\/ul>\n<p>\u4e3a\u4ec0\u4e48 ViT \u66f4\u9700\u8981<\/p>\n<ul>\n<li>\n<p>ViT \u6ca1\u6709 CNN \u90a3\u79cd\u201c\u5c40\u90e8\u5e73\u79fb\u4e0d\u53d8\u6027\u201d<\/p>\n<\/li>\n<li>\n<p>\u4e0d\u88c1\u526a\u7684\u8bdd&#xff0c;ViT \u7279\u522b\u5bb9\u6613\u8bb0\u80cc\u666f\u548c\u4f4d\u7f6e<\/p>\n<\/li>\n<\/ul>\n<p>\u57fa\u672c\u662f ViT \u7684\u6807\u914d&#xff0c;\u51e0\u4e4e\u5fc5\u5f00<\/p>\n<hr \/>\n<h3>2.RandAugment\u968f\u673a\u589e\u5f3a<\/h3>\n<p>\u5b83\u5728\u5e72\u561b<\/p>\n<ul>\n<li>\n<p>\u968f\u673a\u5bf9\u56fe\u7247\u505a\u4e00\u5806\u5f3a\u6270\u52a8&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u65cb\u8f6c\u3001\u989c\u8272\u6296\u52a8\u3001\u5bf9\u6bd4\u5ea6\u3001\u9510\u5316\u3001\u5e73\u79fb\u2026\u2026<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5f3a\u5ea6\u4e5f\u662f\u968f\u673a\u7684<\/p>\n<\/li>\n<\/ul>\n<p>\u5b83\u5177\u4f53\u5e72\u5565&#xff1f;<br \/>\n\u5b83\u4f1a\u968f\u673a\u6311\u51e0\u79cd\u201c\u7167\u7247\u7f16\u8f91\u64cd\u4f5c\u201d\u5957\u5728\u56fe\u7247\u4e0a&#xff0c;\u6bd4\u5982&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u65cb\u8f6c\u4e00\u70b9<\/p>\n<\/li>\n<li>\n<p>\u53d8\u4eae\/\u53d8\u6697<\/p>\n<\/li>\n<li>\n<p>\u6539\u5bf9\u6bd4\u5ea6<\/p>\n<\/li>\n<li>\n<p>\u6539\u989c\u8272&#xff08;\u504f\u51b7\/\u504f\u6696&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u5e73\u79fb\u4e00\u70b9<\/p>\n<\/li>\n<li>\n<p>\u8f7b\u5fae\u6a21\u7cca\/\u9510\u5316<\/p>\n<\/li>\n<\/ul>\n<p>\u4e3a\u4ec0\u4e48\u6709\u7528&#xff1f;<br \/>\n\u56e0\u4e3a\u771f\u5b9e\u4e16\u754c\u91cc\u62cd\u7167\u6761\u4ef6\u5343\u53d8\u4e07\u5316\u3002<br \/>\n\u8bad\u7ec3\u65f6\u63d0\u524d\u628a\u8fd9\u4e9b\u53d8\u5316\u201c\u6a21\u62df\u51fa\u6765\u201d&#xff0c;\u6a21\u578b\u5c31\u66f4\u4e0d\u5bb9\u6613\u53ea\u8bb0\u4f4f\u8bad\u7ec3\u96c6\u90a3\u79cd\u56fa\u5b9a\u98ce\u683c\u3002<\/p>\n<p>\u53ef\u4ee5\u7406\u89e3\u6210&#xff1a;<\/p>\n<p>\u8bad\u7ec3\u65f6\u7ed9\u56fe\u7247\u52a0\u201c\u6ee4\u955c\u548c\u5c0f\u6270\u52a8\u201d&#xff0c;\u8ba9\u6a21\u578b\u522b\u6311\u98df\u3002<\/p>\n<hr \/>\n<h3>3.Mixup\u6df7\u5408\u589e\u5f3a \/ Cutmix\u526a\u5207\u6df7\u5408<\/h3>\n<p>\u8fd9\u4fe9\u90fd\u662f \u201c\u628a\u4e24\u5f20\u56fe\u6df7\u5728\u4e00\u8d77\u201d \u7684\u65b9\u6cd5\u3002<\/p>\n<h4>Mixup<\/h4>\n<p>\u505a\u6cd5<\/p>\n<ul>\n<li>\n<p>\u4e24\u5f20\u56fe\u6309\u6bd4\u4f8b\u76f8\u52a0<\/p>\n<\/li>\n<li>\n<p>label \u4e5f\u6309\u6bd4\u4f8b\u76f8\u52a0<br \/>\n&#xff08;\u4f8b\u5982 0.7 \u732b &#043; 0.3 \u72d7&#xff09;<\/p>\n<\/li>\n<\/ul>\n<p>\u6548\u679c<\/p>\n<ul>\n<li>\n<p>\u6807\u7b7e\u53d8\u201c\u8f6f\u201d<\/p>\n<\/li>\n<li>\n<p>\u6a21\u578b\u88ab\u8feb\u5b66 \u7ebf\u6027\u3001\u5e73\u6ed1\u7684\u51b3\u7b56\u8fb9\u754c<\/p>\n<\/li>\n<\/ul>\n<p>\u62ff\u4e24\u5f20\u56fe A \u548c B \u505a\u52a0\u6743\u5e73\u5747&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u65b0\u56fe\u7247 &#061; 0.7\u00d7A &#043; 0.3\u00d7B<\/p>\n<\/li>\n<li>\n<p>\u65b0\u6807\u7b7e &#061; 0.7\u00d7\u6807\u7b7eA &#043; 0.3\u00d7\u6807\u7b7eB<\/p>\n<\/li>\n<\/ul>\n<p>\u4e3e\u4f8b&#xff1a;<\/p>\n<ul>\n<li>\n<p>A \u662f\u201c\u732b\u201d<\/p>\n<\/li>\n<li>\n<p>B \u662f\u201c\u72d7\u201d<br \/>\n\u90a3\u65b0\u56fe\u770b\u8d77\u6765\u50cf\u201c\u6709\u70b9\u732b\u53c8\u6709\u70b9\u72d7\u201d&#xff0c;\u6807\u7b7e\u4e5f\u53d8\u6210\u201c70% \u732b &#043; 30% \u72d7\u201d\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4e3a\u4ec0\u4e48\u6709\u7528&#xff1f;<br \/>\n\u5b83\u5f3a\u8feb\u6a21\u578b\u5b66\u5f97\u66f4\u201c\u5e73\u6ed1\u201d&#xff0c;\u4e0d\u8981\u8fc7\u5ea6\u81ea\u4fe1&#xff0c;\u4e5f\u4e0d\u8981\u53ea\u9760\u67d0\u4e2a\u5c0f\u7279\u5f81\u5c31\u4e0b\u7ed3\u8bba\u3002<\/p>\n<p>\u53ef\u4ee5\u7406\u89e3\u6210&#xff1a;<\/p>\n<p>\u7ed9\u6a21\u578b\u51fa\u201c\u6df7\u5408\u9898\u201d&#xff0c;\u8ba9\u5b83\u522b\u4e00\u770b\u5230\u4e00\u70b9\u732b\u6bdb\u5c31\u7acb\u523b\u65ad\u8a00 100% \u662f\u732b\u3002<\/p>\n<hr \/>\n<h4>Cutmix<\/h4>\n<p>\u505a\u6cd5<\/p>\n<ul>\n<li>\n<p>\u628a A \u56fe\u7684\u4e00\u5757\u533a\u57df\u526a\u4e0b\u6765\u8d34\u5230 B \u56fe\u4e0a<\/p>\n<\/li>\n<li>\n<p>label \u6309\u9762\u79ef\u6bd4\u4f8b\u6df7\u5408<\/p>\n<\/li>\n<\/ul>\n<p>\u4e3e\u4f8b&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u56fe A&#xff1a;\u732b<\/p>\n<\/li>\n<li>\n<p>\u56fe B&#xff1a;\u72d7<br \/>\n\u628a\u201c\u732b\u7684\u8138\u201d\u90a3\u5757\u8d34\u5230\u72d7\u56fe\u4e0a&#xff0c;\u6a21\u578b\u770b\u5230\u7684\u56fe\u65e2\u6709\u732b\u4e5f\u6709\u72d7\u3002<br \/>\n\u5982\u679c\u732b\u533a\u57df\u5360 40% \u9762\u79ef&#xff1a;\u6807\u7b7e\u5c31 40% \u732b &#043; 60% \u72d7\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4e3a\u4ec0\u4e48\u6709\u7528&#xff1f;<br \/>\n\u5b83\u903c\u6a21\u578b\u4e0d\u8981\u53ea\u76ef\u4e00\u4e2a\u533a\u57df&#xff0c;\u800c\u8981\u5b66\u201c\u54ea\u4e9b\u533a\u57df\u5bf9\u5e94\u54ea\u4e9b\u7c7b\u522b\u7279\u5f81\u201d\u3002<\/p>\n<p>\u6548\u679c<\/p>\n<ul>\n<li>\n<p>\u5f3a\u8feb\u6a21\u578b\u5173\u6ce8\u591a\u4e2a\u533a\u57df<\/p>\n<\/li>\n<li>\n<p>\u9632\u6b62\u53ea\u76ef\u67d0\u4e00\u4e2a patch<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<p>\u4e3a\u4ec0\u4e48 ViT \u7279\u522b\u5403\u8fd9\u5957<\/p>\n<ul>\n<li>\n<p>ViT \u662f patch-level \u5efa\u6a21<\/p>\n<\/li>\n<li>\n<p>Mixup \/ Cutmix \u6b63\u597d\u5728\u201cpatch \u8bed\u4e49\u201d\u4e0a\u6253\u51fb\u6295\u673a\u884c\u4e3a<\/p>\n<\/li>\n<\/ul>\n<p>\u5f88\u591a ViT \u8bba\u6587&#xff1a;\u4e0d\u5f00 mixup &#061; \u7cbe\u5ea6\u76f4\u63a5\u6389<\/p>\n<hr \/>\n<h3>4.RandomErasing<\/h3>\n<p>\u5b83\u5177\u4f53\u5e72\u5565&#xff1f;<br \/>\n\u8bad\u7ec3\u65f6\u968f\u673a\u5728\u56fe\u7247\u4e0a\u62b9\u6389\u4e00\u5757\u533a\u57df&#xff08;\u53d8\u6210\u7eaf\u8272\/\u566a\u58f0&#xff09;\u3002<\/p>\n<p>\u6bd4\u5982\u732b\u56fe\u91cc\u628a\u201c\u732b\u773c\u775b\u201d\u90a3\u5757\u62b9\u6389\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u6709\u7528&#xff1f;<br \/>\n\u5982\u679c\u6a21\u578b\u8001\u662f\u9760\u201c\u732b\u773c\u775b\u201d\u4e00\u4e2a\u7279\u5f81\u5224\u65ad&#xff0c;\u90a3\u64e6\u6389\u540e\u5b83\u5c31\u5f97\u5b66\u4f1a\u7528\u522b\u7684\u7279\u5f81&#xff08;\u8033\u6735\u3001\u8f6e\u5ed3\u3001\u7eb9\u7406\u2026&#xff09;\u3002<\/p>\n<p>\u4f5c\u7528<\/p>\n<ul>\n<li>\n<p>\u544a\u8bc9\u6a21\u578b&#xff1a;<\/p>\n<p>\u201c\u522b\u592a\u4f9d\u8d56\u67d0\u4e00\u5c0f\u5757\u7279\u5f81\u201d<\/p>\n<\/li>\n<\/ul>\n<p>ViT \u89c6\u89d2<\/p>\n<ul>\n<li>\n<p>ViT \u5f88\u5bb9\u6613\u201c\u8ff7\u4fe1\u67d0\u51e0\u4e2a patch\u201d<\/p>\n<\/li>\n<li>\n<p>Erasing &#061; \u903c\u5b83\u770b\u5168\u5c40<\/p>\n<\/li>\n<\/ul>\n<h3>5)LabelSmoothing&#xff1a;\u6807\u7b7e\u5e73\u6ed1<\/h3>\n<p>\u5b83\u5177\u4f53\u5e72\u5565&#xff1f;<br \/>\n\u6b63\u5e38\u5206\u7c7b\u6807\u7b7e\u662f one-hot&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u732b &#061; 100% \u732b&#xff0c;\u5176\u4ed6 &#061; 0%<\/p>\n<\/li>\n<\/ul>\n<p>Label smoothing \u4f1a\u628a\u5b83\u53d8\u6210&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u732b &#061; 90%~95%<\/p>\n<\/li>\n<li>\n<p>\u5176\u4ed6\u7c7b\u522b\u5404\u5206\u4e00\u70b9\u70b9\u6982\u7387&#xff08;\u6bd4\u5982\u6bcf\u4e2a 0.5%&#xff09;<\/p>\n<\/li>\n<\/ul>\n<p>\u4e3a\u4ec0\u4e48\u6709\u7528&#xff1f;<br \/>\n\u8ba9\u6a21\u578b\u522b\u5b66\u5f97\u592a\u201c\u6b7b\u201d&#xff0c;\u522b\u52a8\u4e0d\u52a8\u5c31\u8f93\u51fa 0.999999 \u7684\u81ea\u4fe1\u5ea6\u3002<br \/>\n\u8fd9\u6837\u8bad\u7ec3\u66f4\u7a33\u5b9a&#xff0c;\u4e5f\u66f4\u4e0d\u5bb9\u6613\u5b66\u504f\u3002<\/p>\n<p>\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u6210&#xff1a;<\/p>\n<p>\u544a\u8bc9\u6a21\u578b&#xff1a;\u522b\u90a3\u4e48\u81ea\u4fe1&#xff0c;\u4e16\u754c\u4e0a\u4e5f\u6709\u201c\u957f\u5f97\u50cf\u732b\u7684\u522b\u7684\u4e1c\u897f\u201d\u3002<\/p>\n<h2>ViT \u51c6\u786e\u7387\u8f83\u4f4e\u7684\u539f\u56e0<\/h2>\n<p>\u5f53\u65e5\u5fd7\u91cc ViT \u8bad\u7ec3\u96c6\u51c6\u786e\u7387\u90fd\u53ea\u6709 67%&#xff0c;\u8bf4\u660e\u5b83\u4e0d\u662f\u201c\u8bb0\u5f97\u592a\u6b7b\u201d&#xff0c;\u800c\u662f\u6839\u672c\u6ca1\u5b66\u8d77\u6765\u3002<br \/>\n\u9020\u6210\u201c\u6ca1\u5b66\u8d77\u6765\u201d\u7684\u5e38\u89c1\u7ec4\u5408\u662f&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u8bad\u7ec3\u8bbe\u7f6e\u4e0d\u9002\u5408 ViT&#xff08;\u6bd4\u5982\u4f18\u5316\u5668\/\u5b66\u4e60\u7387&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u6570\u636e\u589e\u5f3a\u592a\u5f31&#xff0c;ViT \u5f88\u96be\u4ece\u5c0f\u6570\u636e\u4e2d\u5b66\u5230\u7a33\u5b9a\u89c4\u5f8b<\/p>\n<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u589e\u5f3a&#xff08;\u5c24\u5176 RandomResizedCrop \/ RandAugment&#xff09;\u5c31\u662f\u5728\u5e2e ViT \u201c\u66f4\u5bb9\u6613\u5b66\u5230\u89c4\u5f8b\u201d\u3002<\/p>\n<hr \/>\n<h2>\u6700\u901a\u4fd7\u7684\u7c7b\u6bd4<\/h2>\n<p>\u628a\u6a21\u578b\u5f53\u6210\u5b66\u751f&#xff1a;<\/p>\n<ul>\n<li>\n<p>ResNet \u50cf\u201c\u5929\u751f\u64c5\u957f\u6293\u5173\u952e\u70b9\u7684\u5b66\u751f\u201d&#xff0c;\u9898\u7a0d\u5fae\u53d8\u4e00\u4e0b\u4e5f\u4f1a\u3002<\/p>\n<\/li>\n<li>\n<p>ViT 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