{"id":4620,"date":"2020-12-05T08:25:13","date_gmt":"2020-12-04T23:25:13","guid":{"rendered":"http:\/\/hituji1012.xsrv.jp\/?p=395"},"modified":"2026-08-01T13:56:12","modified_gmt":"2026-08-01T04:56:12","slug":"68","status":"publish","type":"post","link":"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/","title":{"rendered":"\u3010DeepLearning\u3011Pytorch\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046"},"content":{"rendered":"\n<p><strong 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href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/#%E3%83%8B%E3%83%A5%E3%83%BC%E3%83%A9%E3%83%AB%E3%83%8D%E3%83%83%E3%83%88%E3%83%AF%E3%83%BC%E3%82%AF%E3%81%A7%E3%83%AD%E3%82%B8%E3%82%B9%E3%83%86%E3%82%A3%E3%83%83%E3%82%AF%E5%9B%9E%E5%B8%B0%E3%82%92%E7%B9%B0%E3%82%8A%E8%BF%94%E3%81%99\" title=\"\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u56de\u5e30\u3092\u7e70\u308a\u8fd4\u3059\">\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u56de\u5e30\u3092\u7e70\u308a\u8fd4\u3059<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/#%E7%94%BB%E5%83%8F%E3%81%AA%E3%81%A9%E3%81%AE%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E6%AC%B2%E3%81%97%E3%81%84%E3%83%87%E3%83%BC%E3%82%BF%E3%81%AE%E5%BD%A2%E3%82%84%E7%B5%90%E6%9E%9C%E3%81%AB%E5%A4%89%E6%8F%9B\" 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href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/#VGG16%E3%81%A8%E3%81%84%E3%81%86AI%E3%83%A2%E3%83%87%E3%83%AB%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6%E5%AE%9F%E8%A1%8C%E3%81%99%E3%82%8B\" title=\"VGG16\u3068\u3044\u3046AI\u30e2\u30c7\u30eb\u3092\u4f7f\u3063\u3066\u5b9f\u884c\u3059\u308b\">VGG16\u3068\u3044\u3046AI\u30e2\u30c7\u30eb\u3092\u4f7f\u3063\u3066\u5b9f\u884c\u3059\u308b<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/#%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA%E8%AA%AD%E3%81%BF%E8%BE%BC%E3%81%BF\" title=\"\u30e9\u30a4\u30d6\u30e9\u30ea\u8aad\u307f\u8fbc\u307f\">\u30e9\u30a4\u30d6\u30e9\u30ea\u8aad\u307f\u8fbc\u307f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/#%E3%83%A2%E3%83%87%E3%83%AB%E8%AA%AD%E3%81%BF%E8%BE%BC%E3%81%BF\" title=\"\u30e2\u30c7\u30eb\u8aad\u307f\u8fbc\u307f\">\u30e2\u30c7\u30eb\u8aad\u307f\u8fbc\u307f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/#transforms%E3%83%A1%E3%82%BD%E3%83%83%E3%83%89%E3%81%A7%E6%AD%A3%E8%A6%8F%E5%8C%96%E3%81%97%E3%81%A6tensor%E5%9E%8B%E3%81%AB%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E5%A4%89%E6%8F%9B%E3%81%99%E3%82%8B\" title=\"transforms\u30e1\u30bd\u30c3\u30c9\u3067\u6b63\u898f\u5316\u3057\u3066tensor\u578b\u306b\u30c7\u30fc\u30bf\u3092\u5909\u63db\u3059\u308b\">transforms\u30e1\u30bd\u30c3\u30c9\u3067\u6b63\u898f\u5316\u3057\u3066tensor\u578b\u306b\u30c7\u30fc\u30bf\u3092\u5909\u63db\u3059\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/#GPU%E4%BD%BF%E3%81%86%E3%81%8B%E5%88%A4%E6%96%AD\" title=\"GPU\u4f7f\u3046\u304b\u5224\u65ad\">GPU\u4f7f\u3046\u304b\u5224\u65ad<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/#AI%E3%81%AE%E5%88%A4%E5%AE%9A\" title=\"AI\u306e\u5224\u5b9a\">AI\u306e\u5224\u5b9a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/#%E7%B5%90%E6%9E%9C%E3%82%92%E7%A2%BA%E8%AA%8D\" title=\"\u7d50\u679c\u3092\u78ba\u8a8d\">\u7d50\u679c\u3092\u78ba\u8a8d<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/#%E5%BE%93%E6%9D%A5%E3%81%AE%E7%94%BB%E5%83%8F%E5%87%A6%E7%90%86%E3%81%A7%E3%81%AF%E3%81%99%E3%81%B9%E3%81%A6%E3%81%AE%E7%89%B9%E5%BE%B4%E3%82%92%E3%83%87%E3%83%BC%E3%82%BF%E5%8C%96%E3%81%97%E3%81%AA%E3%81%91%E3%82%8C%E3%81%B0%E3%81%AA%E3%82%89%E3%81%AA%E3%81%84\" title=\"\u5f93\u6765\u306e\u753b\u50cf\u51e6\u7406\u3067\u306f\u3059\u3079\u3066\u306e\u7279\u5fb4\u3092\u30c7\u30fc\u30bf\u5316\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\">\u5f93\u6765\u306e\u753b\u50cf\u51e6\u7406\u3067\u306f\u3059\u3079\u3066\u306e\u7279\u5fb4\u3092\u30c7\u30fc\u30bf\u5316\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/#%E3%81%BE%E3%81%A8%E3%82%81\" title=\"\u307e\u3068\u3081\">\u307e\u3068\u3081<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Deep_Learning%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6\"><\/span>Deep Learning\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DeepLearning\u3092\u4f7f\u3046\u524d\u306b\u7c21\u5358\u306b\u3001DeepLearning\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DeepLearning%E3%81%A7%E5%AD%A6%E7%BF%92%E6%B8%88%E3%81%BF%E3%83%A2%E3%83%87%E3%83%AB%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6%E3%81%BF%E3%82%88%E3%81%86\"><\/span>DeepLearning\u3067\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DeepLeaning\u3092\u4f7f\u3046\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u96e3\u6613\u5ea6\u304c\u305d\u308c\u305e\u308c\u9055\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-551\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/dl_use1.jpg\" alt=\"\" width=\"686\" height=\"300\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use1.jpg 686w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use1-600x262.jpg 600w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use1-300x131.jpg 300w\" sizes=\"(max-width: 686px) 100vw, 686px\" \/><\/p>\n<p>\u4e00\u756a\u7c21\u5358\u306a\u306e\u306f\u3001\u4f55\u304b\u3057\u3089AI\u30c4\u30fc\u30eb\u3092\u4f7f\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3059\u3050\u4f7f\u3048\u308b\u306e\u306f\u3001IBM Cloud\u3001AWS\u3001Azure\u3001GCP\u306a\u3069\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u306f\u5373\u6642\u4f7f\u3048\u308b\u306e\u3067\u3001\u8a66\u3057\u3066\u307f\u305f\u3044\u65b9\u306b\u306f\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001Lv2\u306e\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u3001\u4f55\u4e07\u679a\u306e\u30c7\u30fc\u30bf\u3067\u3059\u3067\u306b\u5b66\u7fd2\u3057\u3066\u3042\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>Lv3\u306b\u306a\u308b\u3068\u3001\u81ea\u5206\u306e\u6301\u3063\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3092\u5b66\u7fd2\u3055\u305b\u3066\u3001\u30aa\u30ea\u30b8\u30ca\u30ebAI\u3092\u4f5c\u3063\u3066\u4f7f\u3046\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p>\u5b66\u7fd2\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3001\u96e3\u6613\u5ea6\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p>\n<p>Lv4\u306f\u3055\u3089\u306b\u3001AI\u30e2\u30c7\u30eb\u306e\u69cb\u9020\u3092\u7406\u89e3\u3057\u3066\u3001\u6539\u826f\u3059\u308b\u3053\u3068\u3067\u30aa\u30ea\u30b8\u30ca\u30eb\u306eAI\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u3066\u6d3b\u7528\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%83%8B%E3%83%A5%E3%83%BC%E3%83%A9%E3%83%AB%E3%83%8D%E3%83%83%E3%83%88%E3%83%AF%E3%83%BC%E3%82%AF%E3%81%A7%E3%83%AD%E3%82%B8%E3%82%B9%E3%83%86%E3%82%A3%E3%83%83%E3%82%AF%E5%9B%9E%E5%B8%B0%E3%82%92%E7%B9%B0%E3%82%8A%E8%BF%94%E3%81%99\"><\/span>\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u56de\u5e30\u3092\u7e70\u308a\u8fd4\u3059<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Deep Learning\u306e\u524d\u306b\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6982\u8981\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306fg(wx+b)\u306e\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u56de\u5e30\u3092\u4f55\u56de\u304b\u7e70\u308a\u8fd4\u3057\u3066\u3044\u308b\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"HsA2O0H61y\"><p><a href=\"https:\/\/www.tetsumag.com\/2020\/12\/05\/240\/\">Python\u306e\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u56de\u5e30\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u8aac\u660e<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;Python\u306e\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u56de\u5e30\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u8aac\u660e&#8221; &#8212; \u3066\u3064\u307e\u3050\" src=\"https:\/\/www.tetsumag.com\/2020\/12\/05\/240\/embed\/#?secret=oE1lOC6fh7#?secret=HsA2O0H61y\" data-secret=\"HsA2O0H61y\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>g()\u306f\u30b7\u30b0\u30e2\u30a4\u30c9\u95a2\u6570\u306a\u3069\u306e\u6d3b\u6027\u5316\u95a2\u6570\u3092\u6307\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-555\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/dl_use2-1.jpg\" alt=\"\" width=\"695\" height=\"373\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use2-1.jpg 695w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use2-1-600x322.jpg 600w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use2-1-300x161.jpg 300w\" sizes=\"(max-width: 695px) 100vw, 695px\" \/><\/p>\n<p>\u753b\u50cf\u306f\u30012\u6b21\u5143\u82e5\u3057\u304f\u306f3\u6b21\u5143\u3067\u8868\u305b\u308b\u306e\u3067\u30011\u6b21\u5143\u306b\u76f4\u3057\u3066\u3001\u4f55\u56de\u304bwx+b &amp; \u30b7\u30b0\u30e2\u30a4\u30c9\u95a2\u6570\uff08\u6d3b\u6027\u5316\u95a2\u6570\uff09\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3067\u3082\u3042\u308b\u7a0b\u5ea6\u306e\u7cbe\u5ea6\u304c\u51fa\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u969b\u306b\u306f\u3001w\u3001a\u3001b\u3001x\u306a\u3069\u306f\u914d\u5217\u3067\u3059\u304c\u3001\u3084\u3063\u3066\u3044\u308b\u3053\u3068\u306f\u639b\u3051\u7b97\u3068\u8db3\u3057\u7b97\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u308b\u3088\u3046\u306a\u3082\u306e\u306a\u306e\u3067\u3001\u5927\u4f53\u306e\u51e6\u7406\u30a4\u30e1\u30fc\u30b8\u3092\u3064\u304b\u3093\u3067\u3082\u3089\u3048\u308c\u3070\u826f\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E7%94%BB%E5%83%8F%E3%81%AA%E3%81%A9%E3%81%AE%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E6%AC%B2%E3%81%97%E3%81%84%E3%83%87%E3%83%BC%E3%82%BF%E3%81%AE%E5%BD%A2%E3%82%84%E7%B5%90%E6%9E%9C%E3%81%AB%E5%A4%89%E6%8F%9B\"><\/span>\u753b\u50cf\u306a\u3069\u306e\u30c7\u30fc\u30bf\u3092\u6b32\u3057\u3044\u30c7\u30fc\u30bf\u306e\u5f62\u3084\u7d50\u679c\u306b\u5909\u63db<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DeepLearning\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u56f3\u306e\u3088\u3046\u306b\u30c7\u30fc\u30bf\u306e\u5f62\u3092\u6b32\u3057\u3044\u5f62\u306b\u5909\u5f62\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u4e0b\u8a18\u56f3\u3067\u306f\u5e45\u3001\u9ad8\u3055\u304c30\u30d4\u30af\u30bb\u30eb\u306e\u753b\u50cf\u3092\u4f8b\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5e45\u9ad8\u3055\u3068\u5965\u884c\u304d\u304c\u5909\u5316\u3059\u308b\u904e\u7a0b\u306b\u30d5\u30a3\u30eb\u30bf\u51e6\u7406\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"UEFY1NLj1G\"><p><a href=\"https:\/\/www.tetsumag.com\/2020\/12\/05\/70\/\">\u3010DeepLearning\u3011\u753b\u50cf\u306e\u30d5\u30a3\u30eb\u30bf\u51e6\u7406\u306b\u3064\u3044\u3066<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;\u3010DeepLearning\u3011\u753b\u50cf\u306e\u30d5\u30a3\u30eb\u30bf\u51e6\u7406\u306b\u3064\u3044\u3066&#8221; &#8212; \u3066\u3064\u307e\u3050\" src=\"https:\/\/www.tetsumag.com\/2020\/12\/05\/70\/embed\/#?secret=NZ2w0RSJN4#?secret=UEFY1NLj1G\" data-secret=\"UEFY1NLj1G\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>\u753b\u50cf\u306e\u5206\u985e\u3067\u306fCNN\uff08Convolutional Neural Network\uff09\u7573\u307f\u8fbc\u307f\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e0b\u8a18\u56f3\u3082CNN\u306eAI\u30e2\u30c7\u30eb\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/dl_use3.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/dl_use3.jpg\" alt=\"\" width=\"879\" height=\"345\" class=\"aligncenter size-full wp-image-556\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use3.jpg 879w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use3-600x235.jpg 600w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use3-300x118.jpg 300w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use3-768x301.jpg 768w\" sizes=\"(max-width: 879px) 100vw, 879px\" \/><\/a><\/p>\n<p>DeepLearning\u306f\u753b\u50cf\u306a\u3069\u306e\u30c7\u30fc\u30bf\u3092\u6b32\u3057\u3044<strong>\u30c7\u30fc\u30bf\u306e\u5f62<\/strong>\u3001<strong>\u7d50\u679c<\/strong>\u306b\u5909\u63db\u3059\u308b\u3082\u306e\u3068\u8003\u3048\u3066\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Deep_Learning%E3%81%A7%E4%BD%BF%E3%81%86%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA\"><\/span>Deep Learning\u3067\u4f7f\u3046\u30e9\u30a4\u30d6\u30e9\u30ea<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Deep Learning\u3067\u4f7f\u308f\u308c\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u4e3b\u306b3\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>pytorch\u3001Tensorflow\u3001keras\u306e3\u7a2e\u985e\u3067\u3059\u3002<\/p>\n<table>\n<thead style=\"background: #cccccc;\">\n<tr>\n<th>\u30e9\u30a4\u30d6\u30e9\u30ea<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>tensorflow<\/td>\n<td>Google\u958b\u767a\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3001DeepLearning\u304c\u666e\u53ca\u5f53\u6642\u304b\u3089\u4f7f\u308f\u308c\u3066\u304d\u305f\u30e9\u30a4\u30d6\u30e9\u30ea<\/td>\n<\/tr>\n<tr>\n<td>keras<\/td>\n<td>tensorflow\u304c\u5f8c\u308d\u3067\u52d5\u3044\u3066\u3044\u3066\u3001tensorflow\u3092\u3088\u308a\u4f7f\u3044\u3084\u3059\u3044\u5f62\u306b\u30e9\u30a4\u30d6\u30e9\u30ea\u5316\u3057\u305f\u3082\u306e<\/td>\n<\/tr>\n<tr>\n<td>pytorch<\/td>\n<td>Facebook\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3001numpy\u3068\u304b\u3068\u540c\u3058\u3088\u3046\u306b\u4f7f\u3048\u3001\u67d4\u8edf\u306b\u8907\u96d1\u306aAI\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3057\u3084\u3059\u3044\u3068\u3044\u3046\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"pytorch%E3%81%8C%E4%BA%BA%E6%B0%97\"><\/span>pytorch\u304c\u4eba\u6c17<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/trends.google.co.jp\/trends\/?geo=JP\" target=\"_blank\" rel=\"noopener noreferrer\">Google Trends<\/a>\u3067\u6bd4\u8f03\u3059\u308b\u3068pytorch\u304c\u3053\u3053\u6700\u8fd1\u306e\u4eba\u6c17\u30e9\u30a4\u30d6\u30e9\u30ea\u306a\u306e\u304c\u308f\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/dl_use4.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/dl_use4-1024x542.png\" alt=\"\" width=\"1024\" height=\"542\" class=\"aligncenter size-large wp-image-557\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use4-1024x542.png 1024w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use4-600x317.png 600w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use4-300x159.png 300w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use4-768x406.png 768w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use4-1536x812.png 1536w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use4-2048x1083.png 2048w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use4-940x497.png 940w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>pytorch\u306f\u666e\u6bb5\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u958b\u767a\u3068\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001tensorflow\u306fAI\u30e2\u30c7\u30eb\u3092\u5148\u306b\u8a2d\u8a08\u3057\u3066\u304b\u3089\u52d5\u304b\u3059\u3068\u3044\u3046\u300cDefine And Run\u300d\u3068\u3044\u3046\u65b9\u6cd5\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u6700\u521d\u306f\u3068\u3063\u3064\u304d\u306b\u304f\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001tensorflow\u3068keras\u306e\u30b3\u30fc\u30c9\u3082\u591a\u3044\u306e\u3067\u3001\u4e21\u65b9\u7fd2\u5f97\u3057\u3066\u304a\u304f\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"pytorch%E3%81%A7%E7%94%BB%E5%83%8F%E3%81%AB%E5%86%99%E3%81%A3%E3%81%A6%E3%81%84%E3%82%8B%E3%82%82%E3%81%AE%E3%82%92%E6%A4%9C%E5%87%BA%E3%81%97%E3%81%A6%E3%81%BF%E3%82%8B\"><\/span>pytorch\u3067\u753b\u50cf\u306b\u5199\u3063\u3066\u3044\u308b\u3082\u306e\u3092\u691c\u51fa\u3057\u3066\u307f\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>pytorch\u304c\u4eba\u6c17\u3067\u3059\u3057\u3001\u308f\u304b\u308a\u3084\u3059\u3044\u306e\u3067\u3001pytorch\u3092\u4f7f\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB\"><\/span>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e0b\u8a18\u3088\u308a\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"linkcard\"><div class=\"lkc-external-wrap\"><a class=\"lkc-link no_icon\" href=\"https:\/\/pytorch.org\" target=\"_blank\" rel=\"external noopener\"><div class=\"lkc-card\"><div class=\"lkc-info\"><div class=\"lkc-domain\">pytorch.org<\/div>&nbsp;<div class=\"lkc-share\"> <div class=\"lkc-sns-tw\">5 Tweets<\/div> <div class=\"lkc-sns-hb\">84 Users<\/div> <div class=\"lkc-sns-po\">2692 Pockets<\/div><\/div><\/div><div class=\"lkc-content\"><figure class=\"lkc-thumbnail\"><img class=\"lkc-thumbnail-img\" src=\"\/\/tetsumag.com\/blog\/wp-content\/uploads\/pz-linkcard\/cache\/77e966d9c1db4e6d7fe8a622785105b3502ffef10f221bfe1ab52de46377de64.jpeg\" alt=\"\" \/><\/figure><div class=\"lkc-title\"><div class=\"lkc-title-text\">PyTorch<\/div><\/div><div class=\"lkc-url\">https:\/\/pytorch.org<\/div><div class=\"lkc-excerpt\"><\/div><\/div><div class=\"clear\"><\/div><\/div><\/a><\/div><\/div>\n<p>\u300cYour OS\u300d\u304b\u3089OS\u3092\u9078\u3093\u3067\u3001\u300cPackage\u300d\u306fpip\u3092\u9078\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>GPU\u3092\u4f7f\u3046\u65b9\u306f\u3001\u5bfe\u8c61\u306eCUDA\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u3001CPU\u306e\u65b9\u306fNONE\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u30b3\u30de\u30f3\u30c9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u306e\u3067\u3001\u305d\u308c\u3092\u4f7f\u3063\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-560\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/dl_use5.png\" alt=\"\" width=\"1624\" height=\"614\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use5.png 1624w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use5-600x227.png 600w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use5-300x113.png 300w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use5-1024x387.png 1024w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use5-768x290.png 768w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use5-1536x581.png 1536w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/dl_use5-940x355.png 940w\" sizes=\"(max-width: 1624px) 100vw, 1624px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"VGG16%E3%81%A8%E3%81%84%E3%81%86AI%E3%83%A2%E3%83%87%E3%83%AB%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6%E5%AE%9F%E8%A1%8C%E3%81%99%E3%82%8B\"><\/span>VGG16\u3068\u3044\u3046AI\u30e2\u30c7\u30eb\u3092\u4f7f\u3063\u3066\u5b9f\u884c\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>VGG16\u3068\u3044\u3046AI\u30e2\u30c7\u30eb\u3092\u4f7f\u3063\u3066\u3001\u4e0b\u8a18\u753b\u50cf\u306b\u4f55\u304c\u5199\u3063\u3066\u3044\u308b\u304bAI\u306b\u5224\u5b9a\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-561\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/11\/lion.jpg\" alt=\"\" width=\"640\" height=\"427\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/lion.jpg 640w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/lion-600x400.jpg 600w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/11\/lion-300x200.jpg 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u5f53\u7136\u3001\u4eba\u304c\u898b\u308c\u3070\u3001\u30e9\u30a4\u30aa\u30f3\u3067\u3059\u304c\u3001\u6a5f\u68b0\u304c\u7c21\u5358\u306b\u4eba\u3068\u540c\u3058\u3088\u3046\u306b\u30e9\u30a4\u30aa\u30f3\u3068\u5224\u5b9a\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<p>\u65e9\u901f\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u3068\u3044\u3063\u3066\u3082\u3001\u4e0b\u8a18\u306e\u30ea\u30f3\u30af\u3092\u305d\u306e\u307e\u307e\u53c2\u7167\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<div class=\"linkcard\"><div class=\"lkc-external-wrap\"><a class=\"lkc-link no_icon\" href=\"https:\/\/pytorch.org\/hub\/pytorch_vision_vgg\/\" target=\"_blank\" rel=\"external noopener\"><div class=\"lkc-card\"><div class=\"lkc-info\"><div class=\"lkc-domain\">pytorch.org<\/div>&nbsp;<div class=\"lkc-share\"> <div class=\"lkc-sns-po\">4 Pockets<\/div><\/div><\/div><div class=\"lkc-content\"><figure class=\"lkc-thumbnail\"><img class=\"lkc-thumbnail-img\" src=\"\/\/tetsumag.com\/blog\/wp-content\/uploads\/pz-linkcard\/cache\/77e966d9c1db4e6d7fe8a622785105b3502ffef10f221bfe1ab52de46377de64.jpeg\" alt=\"\" \/><\/figure><div class=\"lkc-title\"><div class=\"lkc-title-text\">PyTorch<\/div><\/div><div class=\"lkc-url\">https:\/\/pytorch.org\/hub\/pytorch_vision_vgg\/<\/div><div class=\"lkc-excerpt\"><\/div><\/div><div class=\"clear\"><\/div><\/div><\/a><\/div><\/div>\n<h4><span class=\"ez-toc-section\" id=\"%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA%E8%AA%AD%E3%81%BF%E8%BE%BC%E3%81%BF\"><\/span>\u30e9\u30a4\u30d6\u30e9\u30ea\u8aad\u307f\u8fbc\u307f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u753b\u50cf\u8aad\u307f\u8fbc\u307f\u306b\u306fOpenCV\u3067\u306a\u304f\u3001PIL\u3068\u3044\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3044\u3001\u914d\u5217\u30c7\u30fc\u30bf\u3092\u4f7f\u3044\u305f\u3044\u306e\u3067numpy\u3092\u8aad\u307f\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n<p>torch\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u306fpytorch\u95a2\u9023\u3067\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true\">import numpy as np\r\nimport json\r\nfrom PIL import Image\r\nimport torch\r\nfrom torchvision import transforms<\/pre>\n<h4><span class=\"ez-toc-section\" id=\"%E3%83%A2%E3%83%87%E3%83%AB%E8%AA%AD%E3%81%BF%E8%BE%BC%E3%81%BF\"><\/span>\u30e2\u30c7\u30eb\u8aad\u307f\u8fbc\u307f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>AI\u69cb\u9020\u306b\u306f\u3044\u308d\u3044\u308d\u3042\u308a\u307e\u3059\u304c\u30012014\u5e74\u304b\u3089\u30b7\u30f3\u30d7\u30eb\u3067\u3088\u304f\u4f7f\u308f\u308c\u3066\u3044\u308bVGG16\u3092\u4f7f\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true\"># \u5b66\u7fd2\u6e08\u307f\u306eVGG16\u306e\u30e2\u30c7\u30eb\u3092\u8aad\u307f\u8fbc\u307f\r\nmodel = torch.hub.load('pytorch\/vision:v0.6.0', 'vgg16', pretrained=True)\r\nmodel.eval()<\/pre>\n<p>\u30b3\u30f3\u30de\u6570\uff05\u3067\u3082\u7cbe\u5ea6\u3092\u3042\u3052\u305f\u3044\u5834\u5408\u3001VGG16\u4ee5\u5916\u306b\u3082\u3044\u308d\u3044\u308d\u306aAI\u304c\u3042\u308b\u306e\u3067\u3001\u8a66\u3057\u3066\u307f\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u5b66\u7fd2\u306b\u4f7f\u308f\u308c\u305f\u30c7\u30fc\u30bf\u306f<a href=\"http:\/\/www.image-net.org\" target=\"_blank\" rel=\"noopener noreferrer\">ImageNet<\/a>\u3068\u3044\u3046\u3068\u3053\u308d\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u3066\u304a\u308a\u3001<strong>1000\u7a2e\u985e<\/strong>\u306b\u5206\u985e\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"transforms%E3%83%A1%E3%82%BD%E3%83%83%E3%83%89%E3%81%A7%E6%AD%A3%E8%A6%8F%E5%8C%96%E3%81%97%E3%81%A6tensor%E5%9E%8B%E3%81%AB%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E5%A4%89%E6%8F%9B%E3%81%99%E3%82%8B\"><\/span>transforms\u30e1\u30bd\u30c3\u30c9\u3067\u6b63\u898f\u5316\u3057\u3066tensor\u578b\u306b\u30c7\u30fc\u30bf\u3092\u5909\u63db\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u753b\u50cf\u30c7\u30fc\u30bf\u306f\u8aad\u307f\u8fbc\u3093\u3060\u307e\u307e\u3067\u306f\u4f7f\u308f\u305a\u3001\u753b\u50cf\u306e\u30b5\u30a4\u30ba\u3092\u5909\u63db\u30010-255\u306e\u5024\u3092\u6b63\u898f\u5316\u3001Tensor\u578b\u306b\u5909\u63db\u3092\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3044\u3063\u305f\u3082\u306e\u3060\u3068\u3001\u304a\u307e\u3058\u306a\u3044\u3088\u3046\u306b\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:python decode:true\"># \u5bfe\u8c61\u753b\u50cf\r\nfilename = 'lion.jpg'\r\n\r\n# \u8aad\u307f\u8fbc\u307f\u753b\u50cf\u3092\u30ea\u30b5\u30a4\u30ba\u3084tensor\u306a\u3069\u306e\u578b\u306b\u5909\u63db\r\ninput_image = Image.open(filename)\r\npreprocess = transforms.Compose([\r\n    transforms.Resize(256),\r\n    transforms.CenterCrop(224),\r\n    transforms.ToTensor(),\r\n    transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]),\r\n])\r\ninput_tensor = preprocess(input_image)\r\ninput_batch = input_tensor.unsqueeze(0)<\/pre>\n<p>\u6700\u5f8c\u306einput_batch\u304c\u5909\u63db\u5f8c\u306e\u30c7\u30fc\u30bf\u3067\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"GPU%E4%BD%BF%E3%81%86%E3%81%8B%E5%88%A4%E6%96%AD\"><\/span>GPU\u4f7f\u3046\u304b\u5224\u65ad<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>GPU\u304c\u4f7f\u3048\u308b\u5834\u5408\u306f\u3001GPU\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true \"># GPU\u4f7f\u3048\u308b\u5834\u5408\u306fGPU\u3092\u4f7f\u3046\r\nif torch.cuda.is_available():\r\n    input_batch = input_batch.to('cuda')\r\n    model.to('cuda')<\/pre>\n<p>GPU\u304c\u3042\u308b\u3051\u3069\u3042\u3048\u3066\u3001CPU\u3092\u4f7f\u3044\u305f\u3044\u5834\u5408\u306f\u3001&#8217;cuda&#8217;\u3092&#8217;cpu&#8217;\u3068\u3057\u307e\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"AI%E3%81%AE%E5%88%A4%E5%AE%9A\"><\/span>AI\u306e\u5224\u5b9a<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u3053\u3053\u307e\u3067\u304f\u308c\u3070\u3001\u30e9\u30a4\u30aa\u30f3\u306e\u753b\u50cf\u3092AI\u3067\u5224\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>model\u306b\u30e9\u30a4\u30aa\u30f3\u306e\u753b\u50cf\u304c\u5909\u63db\u3055\u308c\u305finput_batch\u3092\u5165\u308c\u3066\u3001\u7d50\u679c\u3092output\u306b\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/p>\n<p>output\u306fsoftmax\u3068\u3044\u3046\u3092\u6d3b\u6027\u5316\u95a2\u6570\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u3069\u306e\u5206\u985e\u304b\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true\"># AI\u306e\u5224\u5b9a\r\nwith torch.no_grad():\r\n    output = model(input_batch)\r\noutput = torch.nn.functional.softmax(output[0], dim=0)\r\nprint(output.shape)<\/pre>\n<p>\u5b66\u7fd2\u6e08\u307f\u306eVGG16\u3067\u304c1000\u500b\u306b\u5206\u985e\u3067\u304d\u308b\u306e\u3067\u3001output\u306f1000\u500b\u306e\u914d\u5217\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E7%B5%90%E6%9E%9C%E3%82%92%E7%A2%BA%E8%AA%8D\"><\/span>\u7d50\u679c\u3092\u78ba\u8a8d<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>output\u306f1000\u500b\u306e\u5206\u985e\u7a2e\u985e\u306e\u3046\u3061\u3069\u308c\u306b\u5024\u304c\u4e00\u756a\u5927\u304d\u3044\u3082\u306e\u3092\u53c2\u7167\u3059\u308b\u3070\u3001\u3069\u306e\u5206\u985e\u306b\u8a72\u5f53\u3059\u308b\u304b\u306e\u756a\u53f7\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>argmax\u30e1\u30bd\u30c3\u30c9\u30671000\u500b\u306e\u914d\u5217\u306e\u3046\u3061\u3069\u308c\u304c\u4e00\u756a\u5927\u304d\u3044\u304b\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true\"># \u51fa\u529b\u7d50\u679c\u304b\u30891000\u7a2e\u985e\u306e\u3046\u3061\u3069\u308c\u304b\u3092\u6570\u5024\u3067\u53d6\u5f97\r\noutput = output.to('cpu').detach().numpy().copy()\r\nind = np.argmax(output)\r\nprint(ind)<\/pre>\n<p>291\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u753b\u50cf\u306f291\u756a\u76ee\u306e\u4f55\u304b\u3060\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002<\/p>\n<p>\u305d\u306e\u756a\u53f7\u304b\u3089\u540d\u79f0\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u3001\u4e0b\u8a18\u304b\u3089\u540d\u79f0\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<div class=\"linkcard\"><div class=\"lkc-external-wrap\"><a class=\"lkc-link no_icon\" href=\"https:\/\/s3.amazonaws.com\/deep-learning-models\/image-models\/imagenet_class_index.json\" target=\"_blank\" rel=\"external noopener\"><div class=\"lkc-card\"><div class=\"lkc-info\"><div class=\"lkc-domain\">s3.amazonaws.com<\/div><\/div><div class=\"lkc-content\"><figure class=\"lkc-thumbnail\"><img class=\"lkc-thumbnail-img\" src=\"https:\/\/s.wordpress.com\/mshots\/v1\/https%3A%2F%2Fs3.amazonaws.com%2Fdeep-learning-models%2Fimage-models%2Fimagenet_class_index.json?w=200\" alt=\"\" \/><\/figure><div class=\"lkc-title\"><div class=\"lkc-title-text\">https:\/\/s3.amazonaws.com\/deep-learning-models\/image-models\/imagenet_class_ind...<\/div><\/div><div class=\"lkc-url\">https:\/\/s3.amazonaws.com\/deep-learning-models\/image-models\/imagenet_class_index.json<\/div><div class=\"lkc-excerpt\"><\/div><\/div><div class=\"clear\"><\/div><\/div><\/a><\/div><\/div>\n<p>json\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u3089\u3001\u4e0b\u8a18\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:python decode:true\"># 1000\u7a2e\u985e\u306e\u5206\u985e\u7d50\u679c\u304b\u3089AI\u304c\u5224\u5b9a\u3057\u305f\u3082\u306e\u3092\u8868\u793a\r\nclass_index = json.load(open('imagenet_class_index.json', 'r'))\r\nlabels = {int(key):value for (key, value) in class_index.items()}\r\nprint(labels[ind])<\/pre>\n<pre class=\"\">['n02129165', 'lion']\r\n<\/pre>\n<p>lion(\u30e9\u30a4\u30aa\u30f3)\u3068\u3046\u307e\u304f\u5224\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%BE%93%E6%9D%A5%E3%81%AE%E7%94%BB%E5%83%8F%E5%87%A6%E7%90%86%E3%81%A7%E3%81%AF%E3%81%99%E3%81%B9%E3%81%A6%E3%81%AE%E7%89%B9%E5%BE%B4%E3%82%92%E3%83%87%E3%83%BC%E3%82%BF%E5%8C%96%E3%81%97%E3%81%AA%E3%81%91%E3%82%8C%E3%81%B0%E3%81%AA%E3%82%89%E3%81%AA%E3%81%84\"><\/span>\u5f93\u6765\u306e\u753b\u50cf\u51e6\u7406\u3067\u306f\u3059\u3079\u3066\u306e\u7279\u5fb4\u3092\u30c7\u30fc\u30bf\u5316\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5f93\u6765\u306e\u753b\u50cf\u51e6\u7406\u3067\u306f\u3001\u30e9\u30a4\u30aa\u30f3\u3092\u691c\u77e5\u3059\u308b\u5834\u5408\u306b\u306f\u3001\u8272\u3084\u5c3b\u5c3e\u3001\u6bdb\u306e\u9577\u3055\u306a\u3069\u4eba\u304c\u753b\u50cf\u51e6\u7406\u3067\u30c7\u30fc\u30bf\u5316\u3057\u3066\u305d\u306e\u30c7\u30fc\u30bf\u304b\u3089\u5206\u985e\u3092\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u30011000\u7a2e\u985e\u3082\u5206\u985e\u3059\u308b\u30c7\u30fc\u30bf\u306b\u4f5c\u308c\u307e\u305b\u3093\u3057\u3001\u305d\u3082\u305d\u3082\u3001\u753b\u50cf\u51e6\u7406\u3067\u5c3b\u5c3e\u306e\u6709\u7121\u3092\u691c\u51fa\u3059\u308b\u3060\u3051\u3067\u3082\u5927\u5909\u3067\u3059\u3002<\/p>\n<p>DeepLearning\u3067\u306f\u3001\u305d\u3046\u8a00\u3063\u305f\u3053\u3068\u306f\u4e00\u5207\u6c17\u306b\u305b\u305a\u3001VGG16\u306a\u3069\u306eAI\u69cb\u9020\u306b\u5b66\u7fd2\u3055\u305b\u308b\u3060\u3051\u3067\u3001\u5206\u985e\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>DeepLearning\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u3046\u3061\u3001pytorch\u3092\u5b9f\u969b\u306b\u4f7f\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u3069\u3046\u3067\u3057\u3087\u3046\uff1f\uff13\uff10\u884c\u8db3\u3089\u305a\u306e\u30b3\u30fc\u30c9\u3067\u3001AI\u304c\u52d5\u304b\u305b\u307e\u3057\u305f\u306d\u3002<\/p>\n<p>\u521d\u3081\u3066\u3001pytorch\u3092\u4f7f\u3046\u65b9\u306f\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u3001\u5909\u63db\u3084AI\u3092\u52d5\u304b\u3059\u3068\u3053\u308d\u306a\u3069\u5206\u304b\u308a\u306b\u304f\u3044\u3068\u3053\u308d\u304c\u3042\u3063\u305f\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u6700\u521d\u306f\u52d5\u304b\u3059\u3053\u3068\u304c\u5927\u4e8b\u3067\u3059\u306e\u3067\u3001\u308f\u304b\u3089\u306a\u3044\u3068\u3053\u308d\u306f\u9806\u756a\u306b\u7406\u89e3\u3092\u6df1\u3081\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"kyzMBykUyL\"><p><a href=\"https:\/\/tetsumag.com\/2021\/01\/11\/12\/\">DeepLearning\u3067\u753b\u50cf\u5206\u985e\u3092\u5b66\u7fd2\u3059\u308b<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;DeepLearning\u3067\u753b\u50cf\u5206\u985e\u3092\u5b66\u7fd2\u3059\u308b&#8221; &#8212; \u3066\u3064\u307e\u3050\" src=\"https:\/\/tetsumag.com\/2021\/01\/11\/12\/embed\/#?secret=kyzMBykUyL\" data-secret=\"kyzMBykUyL\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"bNCUgynsCr\"><p><a href=\"https:\/\/www.tetsumag.com\/2023\/03\/11\/317\/\">\u3010Python\u3011\u30ab\u30e1\u30e9\u306b\u6620\u3063\u305f\u753b\u50cf\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u7269\u4f53\u691c\u77e5\u3059\u308b\u3010OpenCV\u00d7YOLO\u3011<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;\u3010Python\u3011\u30ab\u30e1\u30e9\u306b\u6620\u3063\u305f\u753b\u50cf\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u7269\u4f53\u691c\u77e5\u3059\u308b\u3010OpenCV\u00d7YOLO\u3011&#8221; &#8212; \u3066\u3064\u307e\u3050\" src=\"https:\/\/www.tetsumag.com\/2023\/03\/11\/317\/embed\/#?secret=8XUjubyLCX#?secret=bNCUgynsCr\" data-secret=\"bNCUgynsCr\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6a5f\u68b0\u5b66\u7fd2\u3092\u5b66\u3093\u3067\u3044\u308b\u3068\u5fc5\u305a\u51fa\u4f1a\u3046DeepLearning\u3002 \u4eca\u56de\u306f\u5b9f\u969b\u306b\u4f7f\u3063\u3066\u307f\u3066\u3001\u305d\u306e\u30d1\u30ef\u30fc\u3092\u8eab\u3092\u6301\u3063\u3066\u4f53\u9a13\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u4eca\u56de\u306f\u3001DeepLearning\u3092\u4f7f\u3046\u3060\u3051\u3067\u3001\u7c21\u5358\u306a\u8aac\u660e\u306e\u307f\u3092\u3057\u3066\u9032\u3081\u3066\u3044\u304d\u307e\u3059\u3002  &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/tetsumag.com\/blog\/2020\/12\/05\/68\/\"> <span class=\"screen-reader-text\">\u3010DeepLearning\u3011Pytorch\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046<\/span> \u3082\u3063\u3068\u8aad\u3080 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":551,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","_themeisle_gutenberg_block_has_review":false},"categories":[127],"tags":[93],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/posts\/4620"}],"collection":[{"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/comments?post=4620"}],"version-history":[{"count":3,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/posts\/4620\/revisions"}],"predecessor-version":[{"id":12858,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/posts\/4620\/revisions\/12858"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/media\/551"}],"wp:attachment":[{"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/media?parent=4620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/categories?post=4620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tetsumag.com\/blog\/wp-json\/wp\/v2\/tags?post=4620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}