{"id":19072,"date":"2021-07-28T17:38:30","date_gmt":"2021-07-28T09:38:30","guid":{"rendered":"https:\/\/blog.tibame.com\/?p=19072"},"modified":"2021-08-16T11:16:16","modified_gmt":"2021-08-16T03:16:16","slug":"%e3%80%90ai60%e5%95%8f%e3%80%91q42%e4%bb%80%e9%ba%bc%e6%98%af%e5%8d%b7%e7%a9%8d%e7%a5%9e%e7%b6%93%e7%b6%b2%e8%b7%af-convolutional-neural-networks-cnn%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/blog.tibame.com\/?p=19072","title":{"rendered":"\u3010AI60\u554f\u3011Q42\u4ec0\u9ebc\u662f\u5377\u7a4d\u795e\u7d93\u7db2\u8def Convolutional Neural Networks, CNN\uff1f"},"content":{"rendered":"\n<p><strong>\u5377\u7a4d\u795e\u7d93\u7db2\u8def<\/strong>\uff08Convolutional Neural Networks\uff09\u662f\u6df1\u5ea6\u5b78\u7fd2\u9818\u57df\u7684\u767c\u5c55\u4e3b\u529b\uff0c\u5b83\u4e5f\u88ab\u7a31\u70ba CNNs \u6216 ConvNets\uff0c \u96fb\u8166\u8996\u89ba\u9019\u9818\u57df\u662f\u56e0\u70baCNN\u7684\u95dc\u4fc2\u5728\u8fd1\u5e7e\u5e74\u6709\u4e86\u8a31\u591a\u91cd\u5927\u9032\u5c55\uff0c CNN \u5728\u5f71\u50cf\u8fa8\u8b58\u4e2d\u751a\u81f3\u53ef\u4ee5\u8d85\u8d8a\u4eba\u985e\u8fa8\u8b58\u7684\u7cbe\u6e96\u5ea6\u3002<\/p>\n\n\n\n<p>  \u5b83\u662f\u4e00\u500b\u5f88\u76f4\u89c0\u7684\u6f14\u7b97\u6cd5\uff0c\u6982\u5ff5\u8ddf\u4eba\u985e\u4ee5\u773c\u775b\u53bb\u8fa8\u8b58\u6709\u6a21\u64ec\u76f8\u4f3c\u4e4b\u8655\u3002<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u5167\u5bb9\u76ee\u9304<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u986f\u793a\/\u96b1\u85cf\u5167\u5bb9\u76ee\u9304\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.tibame.com\/?p=19072\/#%E4%B8%80%E3%80%81CNN%E7%9A%84%E5%9F%BA%E6%9C%AC%E6%A6%82%E5%BF%B5%EF%BC%9A\" >\u4e00\u3001CNN\u7684\u57fa\u672c\u6982\u5ff5\uff1a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.tibame.com\/?p=19072\/#%E4%BA%8C%E3%80%81CNN%E7%9A%84%E7%B5%90%E6%A7%8B%E7%B5%84%E6%88%90\" >\u4e8c\u3001CNN\u7684\u7d50\u69cb\u7d44\u6210<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.tibame.com\/?p=19072\/#%E4%BA%8C%E3%80%81CNN%E7%9A%84%E6%87%89%E7%94%A8\" >\u4e8c\u3001CNN\u7684\u61c9\u7528<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%B8%80%E3%80%81CNN%E7%9A%84%E5%9F%BA%E6%9C%AC%E6%A6%82%E5%BF%B5%EF%BC%9A\"><\/span><strong>\u4e00\u3001CNN\u7684\u57fa\u672c\u6982\u5ff5\uff1a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>CNN\u53ef\u5206\u70ba\u56db\u90e8\u4efd:\u586b\u767d\uff08padding\uff09\u3001stride \u6b65\u9577\u3001\u6c60\u5316\uff08pooling\uff09\u4ee5\u53ca\u5377\u7a4d\uff08convolution\uff09\u3002<\/strong><\/p>\n\n\n\n<p><strong>1\u3001padding \u586b\u767d\uff1a<\/strong><\/p>\n\n\n\n<p>\u539f\u5716\u50cf\u5728\u7d93\u904efilter\u5377\u7a4d\u4e4b\u5f8c\uff0c\u8b8a\u5c0f\u4e86\uff0c\u4e3b\u8981\u6709\u5169\u500b\u554f\u984c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u6bcf\u6b21\u5377\u7a4d\uff0c\u5716\u50cf\u90fd\u7e2e\u5c0f\uff0c\u9019\u6a23\u5377\u4e0d\u4e86\u5e7e\u6b21\u5c31\u6c92\u4e86<\/li><li>\u76f8\u6bd4\u65bc\u5716\u7247\u4e2d\u9593\u7684\u9ede\uff0c\u5716\u7247\u908a\u7de3\u7684\u9ede\u5728\u5377\u7a4d\u4e2d\u88ab\u8a08\u7b97\u7684\u6b21\u6578\u5f88\u5c11\u3002<\/li><\/ul>\n\n\n\n<p> \u908a\u7de3\u7684\u4fe1\u606f\u5c31\u6613\u65bc\u4e1f\u5931\u3002\u7232\u4e86\u89e3\u6c7a\u6b64\u554f\u984c\uff0c\u6211\u5011\u53ef\u4ee5\u63a1\u7528padding\u7684\u65b9\u6cd5\u3002\u6211\u5011\u6bcf\u6b21\u5377\u7a4d\u524d\uff0c\u5148\u7d66\u5716\u7247\u5468\u570d\u90fd\u88dc\u4e00\u5708\u7a7a\u767d\uff0c\u8b93\u5377\u7a4d\u4e4b\u5f8c\u5716\u7247\u8ddf\u539f\u4f86\u4e00\u6a23\u5927\uff0c\u540c\u6642\uff0c\u539f\u4f86\u7684\u908a\u7de3\u4e5f\u88ab\u8a08\u7b97\u4e86\u66f4\u591a\u6b21\u3002\u6bd4\u5982\uff0c\u6211\u5011\u628a\uff088, 8\uff09\u7684\u5716\u7247\u7d66\u88dc\u6210\uff0810, 10\uff09\uff0c\u90a3\u9ebc\u7d93\u904e\uff083, 3\uff09\u7684filter\u4e4b\u5f8c\uff0c\u5c31\u662f\uff088, 8\uff09\uff0c\u6c92\u6709\u8b8a\u3002 <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/07\/image.png\" alt=\"\" class=\"wp-image-19467\" width=\"380\" height=\"145\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/07\/image.png 554w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/07\/image-300x114.png 300w\" sizes=\"(max-width: 380px) 100vw, 380px\" \/><figcaption>  <strong>\u5716 42-1 \u586b\u767d(Padding)<\/strong>  <\/figcaption><\/figure><\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p> \u6211\u5011\u628a\u4e0a\u9762\u9019\u7a2e\u300c\u8b93\u5377\u7a4d\u4e4b\u5f8c\u7684\u5927\u5c0f\u4e0d\u8b8a\u300d\u7684padding\u65b9\u5f0f\uff0c\u7a31\u70ba <strong>\u300c<\/strong>Same<strong>\u300d<\/strong>\u65b9\u5f0f\uff0c \u628a\u4e0d\u7d93\u904e\u4efb\u4f55\u586b\u767d\u7684\uff0c\u7a31\u70ba <strong>\u300c<\/strong>Valid<strong>\u300d<\/strong>\u65b9\u5f0f\u3002\u9019\u500b\u662f\u6211\u5011\u5728\u4f7f\u7528\u4e00\u4e9b\u6846\u67b6\u7684\u6642\u5019\uff0c\u9700\u8981\u8a2d\u7f6e\u7684\u8d85\u53c3\u6578\u3002<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>2\u3001stride \u6b65\u9577\uff1a<\/strong><\/p>\n\n\n\n<p>\u524d\u9762\u6211\u5011\u4ecb\u7d39\u7684\u5377\u7a4d\uff0c\u90fd\u662f\u9ed8\u8a8d\u6b65\u9577\u662f1\uff0c\u4f46\u5be6\u969b\u4e0a\uff0c\u6211\u5011\u53ef\u4ee5\u8a2d\u7f6e\u70ba\u5176\u4ed6\u7684\u503c\u3002 \u4f8b\u5982\u5c0d\u65bc\uff088, 8\uff09\u7684\u8f38\u5165\uff0c\u6211\u5011\u7528\uff083, 3\uff09\u7684filter\u3002<br \/> \u5982\u679cstride=1\uff0c\u5247\u8f38\u51fa\u7232\uff086, 6\uff09; <br \/>\u5982\u679cstride=2\uff0c\u5247\u8f38\u51fa\u7232\uff083, 3\uff09\u3002  <\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>3\u3001pooling \u6c60\u5316\uff1a<\/strong><\/p>\n\n\n\n<p>\u9019\u500bpooling\uff0c\u662f\u70ba\u4e86\u63d0\u53d6\u4e00\u5b9a\u5340\u57df\u7684\u4e3b\u8981\u7279\u5fb5\uff0c\u4e26\u6e1b\u5c11\u53c3\u6578\u6578\u91cf\uff0c\u9632\u6b62\u6a21\u578b\u904e\u64ec\u5408\u3002 \u5982\u4e0b\u7684Max Pooling\uff0c\u63a1\u7528\u4e86\u4e00\u500b2\u00d72\u7684\u8996\u7a97\uff0c\u4e26\u53d6stride=2\uff1a <\/p>\n\n\n\n<p>\u901a\u904e\u5377\u7a4d\u64cd\u4f5c\uff0c\u6211\u5011\u5b8c\u6210\u4e86\u5c0d\u8f38\u5165\u5716\u50cf\u7684\u964d\u7dad\u548c\u7279\u5fb5\u62bd\u53d6\uff0c\u4f46\u7279\u5fb5\u5716\u50cf\u7684\u7dad\u6578\u9084\u662f\u5f88\u9ad8\u3002\u7dad\u6578\u9ad8\u4e0d\u50c5\u8a08\u7b97\u8017\u6642\uff0c\u800c\u4e14\u5bb9\u6613\u5c0e\u81f4\u904e\u64ec\u5408\u3002\u70ba\u6b64\u5f15\u5165\u4e0b\u63a1\u6a23\u6280\u8853\uff0c\u4e5f\u7a31\u70ba pooling\u5373\u6c60\u5316\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>Pooling\u5e38\u7528\u7684\u65b9\u5f0f\u6709\u4e8c\u7a2e\uff0cMax Pooling\uff0cMean Pooling\u3002<br \/>Pooling\u7684\u505a\u6cd5\u662f\u5c0d\u5716\u50cf\u7684\u67d0\u4e00\u500b\u5340\u57df\u7528\u4e00\u500b\u503c\u4ee3\u66ff\uff0c\u5982\u6700\u5927\u503c\u6216\u5e73\u5747\u503c\u3002\u5982\u679c\u63a1\u7528\u6700\u5927\u503c\uff0c\u53eb\u505a max \u6c60\u5316\uff1b\u5982\u679c\u63a1\u7528\u5747\u503c\uff0c\u53eb\u505a\u5747\u503c\u6c60\u5316\u3002\u6b64\u5916Max Pooling\uff0c\u9084\u6709Average Pooling\uff0c\u5c31\u662f\u53d6\u90a3\u500b\u5340\u57df\u7684\u5e73\u5747\u503c\u3002  <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/07\/image-1.png\" alt=\"\" class=\"wp-image-19468\" width=\"325\" height=\"184\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/07\/image-1.png 481w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/07\/image-1-300x170.png 300w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/07\/image-1-480x272.png 480w\" sizes=\"(max-width: 325px) 100vw, 325px\" \/><figcaption> <strong>\u5716 42-2 \u6700\u5927\u503c\u6c60\u5316\uff08Max Pooling\uff09<\/strong> <\/figcaption><\/figure><\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>4\u3001\u5c0d\u591a\u901a\u9053\uff08channels\uff09\u5716\u7247\u7684\u5377\u7a4d\uff1a<\/strong><\/p>\n\n\n\n<p>\u5f69\u8272\u5716\u50cf\uff0c\u4e00\u822c\u90fd\u662fRGB\u4e09\u500b\u901a\u9053\uff08channel\uff09\u7684\uff0c\u56e0\u6b64\u8f38\u5165\u6578\u64da\u7684\u7dad\u5ea6\u4e00\u822c\u6709\u4e09\u500b\uff1a\uff08\u9577, \u5bec, \u901a\u9053\uff09\u3002  <\/p>\n\n\n\n<p>\u598228\u00d728\u7684RGB\u5716\u7247\uff0c\u7dad\u5ea6\u5c31\u662f\uff0828, 28, 3\uff09\u3002\u524d\u9762\u7684\u4f8b\u5b50\u770b\u5230\uff0c\u8f38\u5165\u5716\u7247\u662f2\u7dad\u7684\uff088, 8\uff09\uff0cfilter\u662f\uff083, 3\uff09\uff0c\u8f38\u51fa\u4e5f\u662f2\u7dad\u7684\uff086, 6\uff09\u3002 \u5982\u679c\u8f38\u5165\u5716\u7247\u662f\u4e09\u7dad\u6703\u7522\u751f\u4ec0\u9ebc\u60c5\u6cc1\u5462?\uff08\u5373\u589e\u591a\u4e86\u4e00\u500bchannels\uff09\uff0c\u6bd4\u5982\u662f\uff088, 8, 3\uff09\uff0c\u9019\u500b\u6642\u5019\uff0c\u6211\u5011\u7684filter\u7684\u7dad\u5ea6\u5c31\u8981\u8b8a\u6210\uff083, 3, 3\uff09\u4e86\uff0c\u5b83\u7684 \u6700\u5f8c\u4e00\u7dad\u8981\u8ddf\u8f38\u5165\u7684channel\u7dad\u5ea6\u4e00\u81f4<strong>\u3002<\/strong><\/p>\n\n\n\n<p><strong> <\/strong>\u9019\u500b\u6642\u5019\u7684\u5377\u7a4d\uff0c\u662f\u4e09\u500bchannel\u7684\u6240\u6709\u5143\u7d20\u5c0d\u61c9\u76f8\u4e58\u5f8c\u6c42\u548c\uff0c\u5c31\u662f9\u500b\u4e58\u7a4d\u7684\u548c\uff0c\u73fe\u5728\u662f27\u500b\u4e58\u7a4d\u7684\u548c\u3002\u56e0\u6b64\uff0c\u8f38\u51fa\u7684\u7dad\u5ea6\u4e26\u4e0d\u6703\u8b8a\u5316\u3002\u9084\u662f\uff086, 6\uff09\u3002  \u4f46\u4e00\u822c\u6211\u5011\u6703\u4f7f\u7528\u591a\u4e86filters\u540c\u6642\u5377\u7a4d\uff0c\u5982\u679c\u6211\u5011\u540c\u6642\u4f7f\u75284\u500bfilter\u7684\u8a71\uff0c\u90a3\u9ebc\u8f38\u51fa\u7684\u7dad\u5ea6\u5247\u6703\u8b8a\u7232\uff086, 6, 4\uff09\u3002\u9019\u88e1\u7279\u5730\u756b\u4e86\u4e0b\u9762\u9019\u500b\u5716\uff0c\u4f86\u5c55\u793a\u4e0a\u9762\u7684\u904e\u7a0b\uff1a <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/07\/image-2.png\" alt=\"\" class=\"wp-image-19469\" width=\"339\" height=\"190\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/07\/image-2.png 554w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/07\/image-2-300x168.png 300w\" sizes=\"(max-width: 339px) 100vw, 339px\" \/><figcaption>  <strong>\u5716 42-2 <\/strong> <strong>\u591a\u901a\u9053\u5716\u7247\u5377\u7a4d<\/strong>  <\/figcaption><\/figure><\/div>\n\n\n\n<p><strong>\uff08\u8f38\u5165\u5716\u50cf\u662f\uff088, 8, 3\uff09\uff0cfilter\u67094\u500b\uff0c\u5927\u5c0f\u5747\u70ba\uff083, 3, 3\uff09\uff0c\u5f97\u5230\u7684\u8f38\u51fa\u7232\uff086, 6, 4\uff09\uff09<\/strong><\/p>\n\n\n\n<p>\u5176\u5be6\uff0c\u5982\u679c\u5957\u7528\u6211\u5011\u524d\u9762\u5b78\u904e\u7684\u795e\u7d93\u7db2\u8def\u7684\u7b26\u865f\u4f86\u770b\u5f85CNN\uff0c\u6211\u5011\u7684\u8f38\u5165\u5716\u7247\u5c31\u662fX\uff0cshape=\uff088, 8, 3\uff09;4\u500bfilters\u5176\u5be6\u5c31\u662f\u7b2c\u4e00\u5c64\u795e\u7d93\u7db2\u8def\u7684\u53c3\u6578W1\uff0cshape=\uff083, 3, 3, 4\uff09\uff0c\u9019\u500b4\u662f\u6307\u67094\u500bfilters;\u6211\u5011\u7684\u8f38\u51fa\uff0c\u5c31\u662fZ1\uff0cshape=\uff086, 6, 4\uff09\uff0c\u5f8c\u9762\u5176\u5be6\u9084\u61c9\u8a72\u6709\u4e00\u500b\u555f\u52d5\u51fd\u6578\uff0c\u6bd4\u5982ReLU\uff0c\u7d93\u904e\u555f\u52d5\u5f8c\uff0cZ1\u8b8a\u70baA1\uff0cshape=\uff086, 6, 4\uff09\u3002\u6240\u4ee5\uff0c\u5728\u524d\u9762\u7684\u5716\u4e2d\uff0c\u52a0\u4e00\u500b\u555f\u52d5\u51fd\u6578\uff0c\u7d66\u5c0d\u61c9\u7684\u90e8\u5206\u6a19\u4e0a\u7b26\u865f\uff0c\u5c31\u662f\u9019\u6a23\u7684\uff1a <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/07\/image-3.png\" alt=\"\" class=\"wp-image-19470\" width=\"363\" height=\"204\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/07\/image-3.png 554w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/07\/image-3-300x168.png 300w\" sizes=\"(max-width: 363px) 100vw, 363px\" \/><figcaption><strong>\u571642-4 CNN\u5377\u7a4d\u5c64\u8207\u5c64\u95dc\u4fc2\u5716<\/strong> <\/figcaption><\/figure><\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BA%8C%E3%80%81CNN%E7%9A%84%E7%B5%90%E6%A7%8B%E7%B5%84%E6%88%90\"><\/span><strong>\u4e8c\u3001CNN\u7684\u7d50\u69cb\u7d44\u6210 <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4e0a\u9762\u6211\u5011\u5df2\u7d93\u77e5\u9053\u4e86\u5377\u7a4d\uff08convolution\uff09\u3001\u6c60\u5316\uff08pooling\uff09\u4ee5\u53ca\u586b\u767d\uff08padding\uff09\u662f\u600e\u9ebc\u9032\u884c\u7684\u3002<br \/>  \u63a5\u4e0b\u4f86\u6211\u5011\u4f86\u770b\u770b\u5178\u578b\u7684\u5377\u7a4d\u795e\u7d93\u7db2\u8def\u4e09\u7a2eLayers\u7d44\u6210\uff1a<strong>\u5377\u7a4d\u5c64(Convolution layer)\u3001\u5b50\u63a1\u6a23\u6c60\u5316\u5c64(Subsampling\/ Pooling layer)\u3001\u5168\u9023\u63a5\u5c64(Fully connected layer)\u3002 <\/strong><\/p>\n\n\n\n<p><strong>1\u3001Convolutional layer\uff08\u5377\u7a4d\u5c64&#8211;CONV\uff09 <\/strong><br \/>\u5377\u7a4d\u904b\u7b97\u662f\u7dda\u6027\u64cd\u4f5c\uff0c\u800c\u795e\u7d93\u7db2\u8def\u8981\u64ec\u5408\u7684\u662f\u975e\u7dda\u6027\u7684\u51fd\u6578\uff0c\u56e0\u6b64\u548c\u524d\u5168\u9023\u63a5\u7db2\u8def\u985e\u4f3c\uff0c\u6211\u5011\u9700\u8981\u52a0\u4e0a\u555f\u52d5\u51fd\u6578\uff0c\u5e38\u7528\u7684\u6709 sigmoid \u51fd\u6578\uff0ctanh \u51fd\u6578\uff0cReLU \u51fd\u6578\u7b49\u3002 \u795e\u7d93\u7db2\u8def\u524d\u90e8\u5377\u7a4d\u5c64\u6709\u5c0f\u7684\u611f\u53d7\u91ce\uff0c\u53ef\u4ee5\u6355\u6349\u5716\u50cf\u5c40\u90e8\u3001\u7d30\u7bc0\u8cc7\u8a0a\uff0c\u5373\u8f38\u51fa\u5716\u50cf\u7684\u6bcf\u500b\u5716\u5143\uff08Activation\u555f\u52d5\u503c\uff09\u53ea\u662f\u611f\u53d7\u5230\u8f38\u5165\u5716\u50cf\u5f88\u5c0f\u7bc4\u570d\u6578\u503c\u9032\u884c\u8a08\u7b97\u7684\u7d50\u679c\u3002 <\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>2\u3001Pooling layer\uff08\u6c60\u5316\u5c64&#8211;POOL\uff09 <\/strong><br \/>\u9019\u88e1\u6c92\u6709\u53c3\u6578\u9700\u8981\u6211\u5011\u5b78\u7fd2\uff0c\u56e0\u7232\u53c3\u6578\u90fd\u662f\u8a2d\u7f6e\u597d\u4e86\uff0c\u662fMax pooling\u6216\u662fAverage pooling\u3002\u9700\u8981\u6307\u5b9a\u7684\u8d85\u53c3\u6578\uff0c\u5305\u62ec\u662fMax\u9084\u662fAverage\uff0c\u8996\u7a97\u5927\u5c0f\u4ee5\u53ca\u6b65\u9577\u3002 \u901a\u5e38\uff0c\u6211\u5011\u4f7f\u7528\u7684\u6bd4\u8f03\u591a\u7684\u662fMax pooling\uff0c\u800c\u4e14\u4e00\u822c\u53d6\u5927\u5c0f\u70ba\uff082, 2\uff09\u6b65\u9577\u70ba2\u7684filter\uff0c\u9019\u6a23\uff0c\u7d93\u904epooling\u4e4b\u5f8c\uff0c\u8f38\u5165\u7684\u9577\u5bec\u90fd\u6703\u7e2e\u5c0f2\u500d\uff0cchannels\u4e0d\u8b8a\u3002 <\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>3\u3001Fully Connected layer\uff08\u5168\u9023\u63a5\u5c64&#8211;FC\uff09 <\/strong><br \/>\u9019\u500b\u524d\u9762\u6c92\u6709\u8b1b\uff0c\u662f\u56e0\u7232\u9019\u500b\u5c31\u662f\u6211\u5011\u6700\u719f\u6089\u7684\u50a2\u5925\uff0c\u5c31\u662f\u6211\u5011\u4e4b\u524d\u5b78\u7684\u795e\u7d93\u7db2\u8def\u4e2d\u7684\u90a3\u7a2e\u6700\u666e\u901a\u7684\u5c64\uff0c\u5c31\u662f\u4e00\u6392\u795e\u7d93\u5143\u3002\u56e0\u70ba\u9019\u4e00\u5c64\u662f\u6bcf\u4e00\u500b\u55ae\u5143\u90fd\u548c\u524d\u4e00\u5c64\u7684\u6bcf\u4e00\u500b\u55ae\u5143\u76f8\u9023\u63a5\uff0c\u6240\u4ee5\u7a31\u4e4b\u70ba\u300c\u5168\u9023\u63a5\u300d\u3002 \u9019\u88e1\u8981\u6307\u5b9a\u7684\u8d85\u53c3\u6578\uff0c\u7121\u975e\u5c31\u662f\u795e\u7d93\u5143\u7684\u6578\u91cf\uff0c\u4ee5\u53ca\u555f\u52d5\u51fd\u6578\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u96a8\u4fbf\u770b\u4e00\u500bCNN\u7684\u6a21\u6a23\uff0c\u4f86\u7372\u53d6\u5c0dCNN\u7684\u4e00\u4e9b\u611f\u6027\u8a8d\u8b58\uff1a <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/07\/image-4.png\" alt=\"\" class=\"wp-image-19471\" width=\"279\" height=\"154\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/07\/image-4.png 505w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/07\/image-4-300x165.png 300w\" sizes=\"(max-width: 279px) 100vw, 279px\" \/><figcaption><strong>\u5716 42-5 CNN\u7d50\u69cb\u793a\u610f\u5716<\/strong> <\/figcaption><\/figure><\/div>\n\n\n\n<p>\u4e0a\u9762\u9019\u500bCNN\u662f\u6211\u96a8\u4fbf\u62cd\u8166\u9580\u60f3\u7684\u4e00\u500b\u3002\u5b83\u7684\u7d50\u69cb\u53ef\u4ee5\u7528\uff1a X\u00e0CONV\uff08ReLU\uff09\u00e0MAXPOOL\u00e0CONV\uff08ReLU\uff09\u00e0FC\uff08RelU\uff09\u00e0FC\uff08softmax\uff09\u00e0Y\u4f86\u8868\u793a\u3002 \u9019\u88cf\u9700\u8981\u8aaa\u660e\u7684\u662f\uff0c\u5728\u7d93\u904e\u6578\u6b21\u5377\u7a4d\u548c\u6c60\u5316\u4e4b\u5f8c\uff0c\u6211\u5011 \u6700\u5f8c\u6703\u5148\u5c07\u591a\u7dad\u7684\u6578\u64da\u9032\u884c\u300c\u6241\u5e73\u5316\u300d\uff0c\u4e5f\u5c31\u662f\u628a\uff08height, width, channel\uff09\u7684\u6578\u64da\u58d3\u7e2e\u6210\u9577\u5ea6\u70ba height \u00d7 width \u00d7 channel \u7684\u4e00\u7dad\u6578\u7d44\uff0c\u7136\u5f8c\u518d\u8207 FC\u5c64\u9023\u63a5\uff0c\u9019\u4e4b\u5f8c\u5c31\u8ddf\u666e\u901a\u7684\u795e\u7d93\u7db2\u8def\u7121\u7570\u4e86\u3002  <\/p>\n\n\n\n<p>\u53ef\u4ee5\u5f9e\u5716\u4e2d\u770b\u5230\uff0c\u96a8\u8457\u7db2\u8def\u7684\u6df1\u5165\uff0c\u6211\u5011\u7684\u5716\u50cf\uff08\u56b4\u683c\u4f86\u8aaa\u4e2d\u9593\u7684\u90a3\u4e9b\u4e0d\u80fd\u53eb\u5716\u50cf\u4e86\uff0c\u4f46\u662f\u7232\u4e86\u65b9\u4fbf\uff0c\u9084\u662f\u9019\u6a23\u8aaa\u5427\uff09\u8d8a\u4f86\u8d8a\u5c0f\uff0c\u4f46\u662fchannels\u537b\u8d8a\u4f86\u8d8a\u5927\u4e86\u3002\u5728\u5716\u4e2d\u7684\u8868\u793a\u5c31\u662f\u9577\u65b9\u9ad4\u9762\u5c0d\u6211\u5011\u7684\u9762\u7a4d\u8d8a\u4f86\u8d8a\u5c0f\uff0c\u4f46\u662f\u9577\u5ea6\u537b\u8d8a\u4f86\u8d8a\u9577\u4e86\u3002 <\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BA%8C%E3%80%81CNN%E7%9A%84%E6%87%89%E7%94%A8\"><\/span><strong>\u4e8c\u3001CNN\u7684\u61c9\u7528<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5377\u7a4d\u795e\u7d93\u7db2\u8def\u63d0\u5347\u5716\u50cf\u8fa8\u8b58\u6548\u7387<\/li><\/ul>\n\n\n\n<p>\u73fe\u968e\u6bb5\u53ef\u5177\u9ad4\u5c55\u73fe\u6df1\u5ea6\u795e\u7d93\u7db2\u8def\u80fd\u529b\u7684\u61c9\u7528\uff0c\u5982\u5716\u50cf\u8fa8\u8b58\u9818\u57df\u3002\u4ee5\u96fb\u8166\u8996\u89ba\u793e\u7fa4\u6bcf\u5e74\u8209\u8fa6\u7684\u5716\u50cf\u6a19\u7c64\u6311\u6230\u8cfdImageNet\u70ba\u4f8b\uff0c\u81ea2012\u5e74\u8d77\u958b\u59cb\u6709\u53c3\u8cfd\u5718\u968a\u63a1\u7528\u6df1\u5ea6\u795e\u7d93\u7db2\u8def\u6280\u8853\u8d0f\u5f97\u52dd\u5229\uff0c\u4e26\u4e14\u6e96\u78ba\u5ea6\u9010\u5e74\u6500\u5347\uff0c\u5230\u4e862015\u5e74\u9054\u5230\u8207\u4eba\u985e\u5716\u50cf\u8fa8\u8b58\u76f8\u540c\u7684\u6c34\u6e96\u3002<\/p>\n\n\n\n<p>\u91ab\u5b78\u535a\u58eb\u7684Google\u7814\u7a76\u5718\u968a\u7522\u54c1\u7d93\u7406\u5f6d\u6d69\u6021\u9032\u4e00\u6b65\u8aaa\u660e\uff0c\u5728\u50b3\u7d71\u96fb\u8166\u8996\u89ba\u9818\u57df\u4e2d\uff0c\u82e5\u7814\u7a76\u4eba\u54e1\u6b32\u5efa\u69cb\u718a\u8c93\u5206\u985e\u6a5f\u5236\uff0c\u5fc5\u9808\u5148\u628a\u718a\u8c93\u7279\u5fb5\u8f38\u5165\u5230\u6dfa\u5206\u985e\uff0c\u7d93\u7531\u7814\u7a76\u4eba\u54e1\u5c0d\u8cc7\u6599\u9032\u884c\u5206\u6790\u7814\u7a76\u5f8c\uff0c\u7406\u89e3\u7279\u6027\u6240\u5b9a\u7fa9\u7684\u7279\u5fb5\uff0c\u6b64\u7a0b\u5e8f\u5373\u70ba\u7279\u5fb5\u5de5\u7a0b\uff1b\u800c\u6df1\u5ea6\u5b78\u7fd2\u7db2\u8def\u67b6\u69cb\u4e2d\u6700\u5e38\u898b\u7684\u5377\u7a4d\u795e\u7d93\u7db2\u8def\uff08Convolutional Neural Network\uff0cCNN\uff09\uff0c<strong>\u4e3b\u8981\u662f\u900f\u904e\u8db3\u5920\u6578\u91cf\u7684\u8cc7\u6599\u96c6\u5be6\u4f5c\uff0c\u63db\u53e5\u8a71\u8aaa\uff0c\u53ea\u8981\u63d0\u4f9b\u5f88\u591a\u4e0d\u4e00\u6a23\u7684\u718a\u8c93\u7167\u7247\u5b78\u7fd2\u7406\u89e3\u5f8c\uff0c\u518d\u63d0\u4f9b\u975e\u718a\u8c93\u7684\u7167\u7247\uff0c\u4e0d\u7528\u4eba\u5de5\u64b0\u5beb\u898f\u5247\uff0c\u5377\u7a4d\u795e\u7d93\u7db2\u8def\u5373\u53ef\u81ea\u4e3b\u5b78\u7fd2\u8fa8\u8b58\u718a\u8c93\u7684\u80fd\u529b\u3002<\/strong>\u5982\u6b64\u4e00\u4f86\uff0c\u53ef\u4ee5\u7701\u4e0b\u7814\u7a76\u4eba\u54e1\u8017\u8cbb\u6642\u9593\u6253\u9020\u7279\u5fb5\u5de5\u7a0b\uff0c\u73fe\u5728\u5247\u8f49\u8b8a\u70ba\u6e96\u5099\u539f\u59cb\u8cc7\u6599\uff0c\u5373\u53ef\u5efa\u7acb\u6a21\u578b\u67b6\u69cb\u3001\u6578\u64da\u512a\u5316\uff0c\u8b93\u5716\u50cf\u8fa8\u8b58\u66f4\u6709\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3010\u76f8\u95dc\u8ab2\u7a0b\u3011<a 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href=\"https:\/\/www.tibame.com\/eventpage\/ai_datascientist\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"AI\u8cc7\u6599\u79d1\u5b78\u5bb6-\u4e09\u968e\u6bb5\u5168\u65b9\u4f4d\u5b78\u7a0b\u73ed (\u5728\u65b0\u5206\u9801\u4e2d\u958b\u555f)\">AI\u8cc7\u6599\u79d1\u5b78\u5bb6-\u4e09\u968e\u6bb5\u5168\u65b9\u4f4d\u5b78\u7a0b\u73ed<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u6bcf\u65e55\u5206\u9418\uff0c&nbsp;<a href=\"https:\/\/blog.wiedu.tw\/?author=44\">\u63d0\u62d4\u6211\u5712\u4e01<\/a>\u966a\u4f60\u5feb\u901f\u6dfb\u88dcAI\/\u8cc7\u6599\u79d1\u5b78\u77e5\u8b58\u8207\u6280\u80fd\u3002<\/p>\n\n\n\n<p>\u82e5\u60f3\u4e86\u89e3\u66f4\u591aAI\/\u8cc7\u6599\u79d1\u5b78\u7684\u5c0f\u77e5\u8b58\u3001\u53ca\u5404\u7522\u696d\u7684\u76f8\u95dc\u61c9\u7528\uff0c\u6b61\u8fce\u8a02\u95b1TibaMe 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srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a-1024x922.png 1024w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a-300x270.png 300w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a-768x691.png 768w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a-1170x1053.png 1170w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a-585x527.png 585w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a.png 1200w\" sizes=\"(max-width: 485px) 100vw, 485px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>\u53c3\u8003\u8cc7\u6599<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/42559190\">\u77e5\u4e4e&#8211;\u3010DL\u7b46\u8a186\u3011\u5f9e\u6b64\u660e\u767d\u4e86\u5377\u7a4d\u795e\u7d93\u7db2\u8def\uff08CNN\uff09<\/a><\/li><li><a href=\"https:\/\/m.xuite.net\/blog\/metafun\/life\/589355242\">\u5377\u7a4d\u795e\u7d93\u7db2\u8def Convolutional Neural Networks, CNN<\/a><\/li><li><a href=\"https:\/\/medium.com\/ai-academy-taiwan\/%E5%8D%B7%E7%A9%8D%E7%A5%9E%E7%B6%93%E7%B6%B2%E8%B7%AF-cnn-%E7%9A%84%E7%99%BC%E5%B1%95-4c5d29e60c55\">\u5377\u7a4d\u795e\u7d93\u7db2\u8def (CNN) \u7684\u767c\u5c55<\/a><\/li><li><a href=\"https:\/\/chih-sheng-huang821.medium.com\/%E5%8D%B7%E7%A9%8D%E7%A5%9E%E7%B6%93%E7%B6%B2%E8%B7%AF-convolutional-neural-network-cnn-%E5%8D%B7%E7%A9%8D%E9%81%8B%E7%AE%97-%E6%B1%A0%E5%8C%96%E9%81%8B%E7%AE%97-856330c2b703\">\u5377\u7a4d\u795e\u7d93\u7db2\u8def(Convolutional neural network, CNN) \u2014 \u5377\u7a4d\u904b\u7b97\u3001\u6c60\u5316\u904b\u7b97<\/a><\/li><li><a href=\"https:\/\/www.netadmin.com.tw\/netadmin\/zh-tw\/feature\/08D0ADC4117142798AD0BA293B34D5CE?type=\">\u5377\u7a4d\u795e\u7d93\u7db2\u8def\u5224\u8b80\u5716\u50cf\u3000 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