{"id":5446,"date":"2022-08-10T15:05:08","date_gmt":"2022-08-10T07:05:08","guid":{"rendered":"http:\/\/139.9.1.231\/?p=5446"},"modified":"2022-10-24T11:09:29","modified_gmt":"2022-10-24T03:09:29","slug":"pretrainingfine-tuning-3","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2022\/08\/10\/pretrainingfine-tuning-3\/","title":{"rendered":"\u5c0f\u6837\u672c\u5b66\u4e60\u4e4b&#8212;Pretraining+Fine Tuning (3)"},"content":{"rendered":"\n<p class=\"has-light-pink-background-color has-background\">\u5c0f\u6837\u672c\u5b66\u4e60\u91cc\u9762\u6709\u4e00\u4e2a\u975e\u5e38\u5e38\u89c1\u548c\u5b9e\u7528\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528\u5927\u6570\u636e\u96c6\u9884\u8bad\u7ec3\uff0c\u5c0f\u6570\u636e\u96c6\u4e2d\u5fae\u8c03\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"813\" height=\"80\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-109.png\" alt=\"\" class=\"wp-image-5544\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-109.png 813w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-109-300x30.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-109-768x76.png 768w\" sizes=\"(max-width: 813px) 100vw, 813px\" \/><\/figure>\n\n\n\n<p class=\"has-light-pink-background-color has-background\">\u53c2\u8003\u6587\u732e\u548c\u4ee3\u7801\uff1a <\/p>\n\n\n\n<p>1. Chen, Liu, Kira, Wang, &amp; Huang. <a href=\"https:\/\/arxiv.org\/abs\/1904.04232\" target=\"_blank\" rel=\"noreferrer noopener\">A Closer Look at Few-shot Classification<\/a>. In ICLR, 2019. \u4ee3\u7801\uff1a <a rel=\"noreferrer noopener\" href=\"https:\/\/www.youtube.com\/redirect?event=video_description&amp;redir_token=QUFFLUhqbWtOcXNkYUpvWVRpZU5ucC1PZmc3bVJyNzZUd3xBQ3Jtc0tuczdOdV9Gal9hYTdPUE1uS29ibGpSQ2pGbzlweGtXcTF0UV9ZQW1XdllqY1JlSUJhRTI1aklST0lia2QycGI0TzNGRnU0cjE3Z19MV3RaNzEtU3p4RDRDQXRIUjBkZm1uOTZSZWEydjQ3b2psU21STQ&amp;q=https%3A%2F%2Fgithub.com%2Fwyharveychen%2FCloserLookFewShot&amp;v=3zSYMuDm6RU\" target=\"_blank\">https:\/\/github.com\/wyharveychen\/Close&#8230;<\/a> <\/p>\n\n\n\n<p>2. Dhillon, Chaudhari, Ravichandran, &amp; Soatto. A baseline for few-shot image classification. In ICLR, 2020. <\/p>\n\n\n\n<p>3. Chen, Wang, Liu, Xu, &amp; Darrell. A New Meta-Baseline for Few-Shot Learning. arXiv, 2020. \u4ee3\u7801\uff1a<a rel=\"noreferrer noopener\" href=\"https:\/\/www.youtube.com\/redirect?event=video_description&amp;redir_token=QUFFLUhqbWo3dEU0RDlLLXRzNGdocWtmNVdlTVdDTDNZZ3xBQ3Jtc0tuLTRXTGRkVThYUExBY25oRHN3YTVIeGJncHJDUzVLYmdUci1QYmQ0Q3l3V2RfLURscUwtSURZWXpzYU5EZVB6ZmgzcWhJUUhsMGpzdlVLenlwVEo3QTVsb09rNjJvelgxXzlyTUN2ZjJQS0ZERU1wSQ&amp;q=https%3A%2F%2Fgithub.com%2Fcyvius96%2Ffew-shot-meta-baseline&amp;v=3zSYMuDm6RU\" target=\"_blank\">https:\/\/github.com\/cyvius96\/few-shot-&#8230;<\/a><\/p>\n\n\n\n<p class=\"has-light-pink-background-color has-background\"><strong>\u5c0f\u6837\u672c\u5b66\u4e60\u65e8\u5728\u901a\u8fc7\u6709\u9650\u6807\u8bb0\u6570\u636e\u5b66\u4e60\u8bc6\u522b\u65b0\u7c7b\u522b\uff0c\u53ef\u4ee5\u5c06\u5c0f\u6837\u672c\u5b66\u4e60\u7b97\u6cd5\u5206\u4e3a\u4e09\u5927\u7c7b\uff1a\u57fa\u4e8e\u521d\u59cb\u5316\u7684\u65b9\u6cd5\u3001\u57fa\u4e8e\u5ea6\u91cf\u5b66\u4e60\u7684\u65b9\u6cd5\u548c\u57fa\u4e8e\u6570\u636e\u589e\u5f3a\u7684\u65b9\u6cd5\u3002<\/strong><\/p>\n\n\n\n<p><strong>\u57fa\u4e8e\u521d\u59cb\u5316\u7684\u65b9\u6cd5<\/strong>\uff1a\u5b66\u4e60\u5fae\u8c03\uff0c\u65e8\u5728\u5b66\u4e60\u4e00\u4e2a\u597d\u7684\u6a21\u578b\u521d\u59cb\u5316\u7b56\u7565\uff0c\u4f7f\u5f97\u80fd\u591f\u901a\u8fc7\u5c11\u91cf\u6807\u8bb0\u6570\u636e\u548c\u6709\u9650\u7684\u68af\u5ea6\u66f4\u65b0\u8f6e\u6b21\u5373\u53ef\u5b8c\u6210\u5bf9\u65b0\u7c7b\u522b\u7684\u5206\u7c7b\uff0c\u6216\u8005\u5b66\u4e60\u4e00\u4e2a\u4f18\u5316\u5668\u3002<\/p>\n\n\n\n<p><strong>\u57fa\u4e8e\u8ddd\u79bb\u5ea6\u91cf\u7684\u65b9\u6cd5<\/strong>\uff1a\u5b66\u4e60\u6bd4\u8f83\uff0c\u5982\u679c\u4e00\u4e2a\u6a21\u578b\u80fd\u591f\u8ba1\u7b97\u4e24\u5f20\u56fe\u50cf\u7684\u76f8\u4f3c\u5ea6\uff0c\u90a3\u4e48\u5b83\u53ef\u80fd\u57fa\u4e8e\u6807\u8bb0\u6570\u636e\u5bf9\u672a\u77e5\u56fe\u50cf\u8fdb\u884c\u5206\u7c7b\uff0c\u4e00\u822c\u57fa\u4e8e\u4f59\u5f26\u76f8\u4f3c\u5ea6\u3001\u6b27\u5f0f\u8ddd\u79bb\u3001\u5cad\u56de\u5f52\u3001\u56fe\u795e\u7ecf\u7f51\u7edc\u7b49\u8ba1\u7b97\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p><strong>\u57fa\u4e8e\u6570\u636e\u589e\u5f3a\u7684\u65b9\u6cd5<\/strong>\uff1a\u5b66\u4e60\u589e\u5f3a\uff0c\u65e8\u5728\u901a\u8fc7<strong>\u5b66\u4e60\u4e00\u4e2a\u6570\u636e\u751f\u6210\u5668<\/strong>\uff0c\u901a\u8fc7\u6570\u636e\u751f\u6210\u5668\u589e\u5f3a\u65b0\u7c7b\u7684\u6837\u672c\u91cf\u3002\u7531\u4e8e\u57fa\u4e8e\u6570\u636e\u589e\u5f3a\u7684\u65b9\u6cd5\u5f80\u5f80\u4e0e\u96f6\u6837\u672c\u65b9\u6cd5\u534f\u540c\u4f18\u5316\uff0c\u6240\u4ee5\u672c\u6587\u4f5c\u8005\u4e0d\u8003\u8651\u57fa\u4e8e\u6570\u636e\u589e\u5f3a\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p><strong>\u9886\u57df\u81ea\u9002\u5e94<\/strong>\uff1a\u4e00\u79cd\u65e8\u5728\u7f13\u89e3\u6e90\u9886\u57df\u548c\u76ee\u6807\u9886\u57df\u95f4\u9886\u57df\u6f02\u79fb\u73b0\u8c61\u7684\u6280\u672f\u3002\u5c0f\u6837\u672c\u5206\u7c7b\u4e0e\u9886\u57df\u81ea\u9002\u5e94\u7c7b\u4f3c\uff0c\u533a\u522b\u5728\u4e8e\u5728\u9886\u57df\u81ea\u9002\u5e94\u4e2d\uff0c\u76ee\u6807\u57df\u5f80\u5f80\u62e5\u6709\u5927\u91cf\u7684\u53ef\u7528\u6837\u672c\uff0c\u800c\u5c0f\u6837\u672c\u5b66\u4e60\u5728\u65b0\u9886\u57df\u4e2d\u4ec5\u6709\u5c11\u91cf\u53ef\u7528\u6837\u672c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"335\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-110-1024x335.png\" alt=\"\" class=\"wp-image-5554\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-110-1024x335.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-110-300x98.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-110-768x251.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-110.png 1045w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5927\u90e8\u5206\u7684\u601d\u8def\uff1a\u901a\u8fc7\u4e00\u4e2a\u5927\u6570\u636e\u96c6\u8fdb\u884c\u8bad\u7ec3\u4e00\u4e2a\u795e\u7ecf\u7f51\u7edc\uff0c\u5728\u505afew-shot\u7684\u65f6\u5019\uff0c\u6211\u4eec\u8981\u7528\u5230\u8fd9\u4e2a\u4e0e\u8bad\u7ec3\u597d\u7684 \u795e\u7ecf\u7f51\u7edc\uff0c\u6211\u4eec\u5206\u522b\u628aquery\u548csupport set\u9001\u8fdb\u795e\u7ecf\u7f51\u7edc\uff0c\u5e76\u83b7\u5f97\u7279\u5f81\u5411\u91cf\uff0c\u5c31\u53ef\u4ee5\u6bd4\u8f83 query\u548csupport set \u5728\u7a7a\u95f4\u4e0a\u7684\u76f8\u4f3c\u5ea6\uff08\u6bd4\u5982\u4f59\u5f26\u76f8\u4f3c\u5ea6\uff09\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u6bd4\u8f83\u4e86\u3002\u8bad\u7ec3\u597d\u7684\u7f51\u7edc\u53bb\u6389\u5168\u8fde\u63a5\u5c42\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"1024\" height=\"548\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-111-1024x548.png\" alt=\"\" class=\"wp-image-5556\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-111-1024x548.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-111-300x160.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-111-768x411.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-111.png 1163w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>2\u3001\u4e0d\u5fae\u8c03\uff0c\u76f4\u63a5\u4f7f\u7528\u9884\u8bad\u7ec3\u7684\u7f51\u7edc\u8fdb\u884c\u9884\u6d4b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"586\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-112-1024x586.png\" alt=\"\" class=\"wp-image-5560\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-112-1024x586.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-112-300x172.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-112-768x440.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-112.png 1177w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>3\u3001\u5bf9query\u5206\u7c7b\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"1024\" height=\"607\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-113-1024x607.png\" alt=\"\" class=\"wp-image-5562\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-113-1024x607.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-113-300x178.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-113-768x455.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-113.png 1193w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" width=\"554\" height=\"302\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-114.png\" alt=\"\" class=\"wp-image-5563\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-114.png 554w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-114-300x164.png 300w\" sizes=\"(max-width: 554px) 100vw, 554px\" 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http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-116-300x168.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-116-768x430.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-116.png 1113w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5fae\u8c03\u8c03\u7684\u662fsoftmax\uff0c\u800c\u4e0d\u662fCNN\u7279\u5f81\u63d0\u53d6\u7f51\u7edc\uff01<strong>\u4e5f\u5c31\u662f\u5fae\u8c03\u4e0b\u9762\u7684W\u548cB<\/strong><\/p>\n\n\n\n<p>1<strong>\u3001\u5fae\u8c03\u7684\u521d\u59cb\u5316\uff1a\u8ba9W=M\uff0cb=0<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"916\" height=\"596\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-117.png\" alt=\"\" class=\"wp-image-5570\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-117.png 916w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-117-300x195.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-117-768x500.png 768w\" sizes=\"(max-width: 916px) 100vw, 916px\" \/><\/figure>\n\n\n\n<p><strong>\u5982\u4f55\u5fae\u8c03\uff1a\u4f7f\u7528entropy\u635f\u5931\u6765\u66f4\u65b0w\u548cb\u53c2\u6570<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"996\" height=\"510\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-118.png\" alt=\"\" class=\"wp-image-5571\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-118.png 996w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-118-300x154.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-118-768x393.png 768w\" sizes=\"(max-width: 996px) 100vw, 996px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"588\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-119-1024x588.png\" alt=\"\" class=\"wp-image-5574\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-119-1024x588.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-119-300x172.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-119-768x441.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/08\/image-119.png 1094w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0f\u6837\u672c\u5b66\u4e60\u91cc\u9762\u6709\u4e00\u4e2a\u975e\u5e38\u5e38\u89c1\u548c\u5b9e\u7528\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528\u5927\u6570\u636e\u96c6\u9884\u8bad\u7ec3\uff0c\u5c0f\u6570\u636e\u96c6\u4e2d\u5fae\u8c03\u3002 \u53c2\u8003\u6587\u732e\u548c\u4ee3\u7801\uff1a 1. Che &hellip; <a href=\"http:\/\/139.9.1.231\/index.php\/2022\/08\/10\/pretrainingfine-tuning-3\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u5c0f\u6837\u672c\u5b66\u4e60\u4e4b&#8212;Pretraining+Fine Tuning (3)<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[19],"tags":[],"_links":{"self":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/5446"}],"collection":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/comments?post=5446"}],"version-history":[{"count":20,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/5446\/revisions"}],"predecessor-version":[{"id":5576,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/5446\/revisions\/5576"}],"wp:attachment":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/media?parent=5446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/categories?post=5446"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/tags?post=5446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}