{"id":10544,"date":"2017-06-27T17:53:12","date_gmt":"2017-06-27T08:53:12","guid":{"rendered":"http:\/\/sitest.jp\/blog\/?p=10544"},"modified":"2017-07-14T14:58:02","modified_gmt":"2017-07-14T05:58:02","slug":"%e4%ba%ba%e5%b7%a5%e7%9f%a5%e8%83%bd%e3%81%ab%e3%82%88%e3%82%8b%e7%94%bb%e5%83%8f%e8%aa%8d%e8%ad%98%e7%94%9f%e6%88%90%e3%82%a2%e3%83%ab%e3%82%b4%e3%83%aa%e3%82%ba%e3%83%a0%e3%81%a8%e3%81%97%e3%81%a6","status":"publish","type":"post","link":"https:\/\/sitest.jp\/blog\/?p=10544","title":{"rendered":"\u4eba\u5de5\u77e5\u80fd\u306b\u3088\u308b\u753b\u50cf\u8a8d\u8b58\/\u751f\u6210\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u3057\u3066\u6d78\u900f\u3057\u3064\u3064\u3042\u308b\u300cGAN\u300d\u3068\u306f"},"content":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\u3001\u30d7\u30ed\u30c0\u30af\u30c8\u958b\u767a\u30c1\u30fc\u30e0 \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u68ee\u6c38\u3067\u3059\u3002<\/p>\n

\u5148\u65e5\u306e\u8a18\u4e8b\u300c\u30ab\u30e9\u30fc\u30d1\u30ec\u30c3\u30c8\u3082\u4eba\u5de5\u77e5\u80fd\u3067\uff01\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u306b\u3088\u308b\u914d\u8272\u30c4\u30fc\u30eb Colormind\u300d<\/a>\u3067\u4eba\u5de5\u77e5\u80fd\u306b\u3088\u308b\u30ab\u30e9\u30fc\u30d1\u30ec\u30c3\u30c8\u751f\u6210\u30c4\u30fc\u30eb\u300cColormind<\/a>\u300d\u3092\u7d39\u4ecb\u3057\u3001\u305d\u306e\u4e2d\u3067\u753b\u50cf\u8a8d\u8b58\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u3057\u3066\u300cGenerative Adversarial Networks (GAN)<\/a>\u300d\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u7d39\u4ecb\u3044\u305f\u3057\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306f\u305d\u306e\u300cGAN\u300d\u304c\u3069\u306e\u3088\u3046\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304b\u3001\u307e\u305f GAN \u304c\u3069\u306e\u3088\u3046\u306b\u5fdc\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u7d39\u4ecb\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n

<\/p>\n

\n

GAN \u3068\u306f<\/h3>\n<\/div>\n

GAN (Generative Adversarial Nets) \u306f2014\u5e74\u306b\u5f53\u6642\u30e2\u30f3\u30c8\u30ea\u30aa\u30fc\u30eb\u5927\u5b66\u306e\u3000Ian J. Goodfellow \u6c0f(\u73fe\u5728 Goodfellow \u6c0f\u306f Google \u3067\u7814\u7a76\u3092\u7d9a\u3051\u3066\u304a\u3089\u308c\u307e\u3059)\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u7814\u7a76\u30b0\u30eb\u30fc\u30d7\u306b\u3088\u3063\u3066\u63d0\u5531\u3055\u308c\u305f\u30e2\u30c7\u30eb\u3067\u3001 G(Generator\uff1a\u751f\u6210\u8005) \u3068 D(Discriminator\uff1a\u9451\u5225\u8005) \u306e2\u3064\u306e\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3088\u3063\u3066\u5b66\u7fd2\u3057\u3066\u3044\u304d\u3001\u753b\u50cf\u8a8d\u8b58\/\u751f\u6210\u3092\u884c\u3046\u3053\u3068\u3092\u76ee\u7684\u3068\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n

GAN \u306e\u51e6\u7406\u306e\u6d41\u308c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

(1) \u5b66\u7fd2\u30e2\u30c7\u30eb(\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af) G \u3068 D\u3001\u5206\u5e03 p \u3092\u7528\u610f\u3059\u308b
\n(2) G \u306f\u30e9\u30f3\u30c0\u30e0\u30c7\u30fc\u30bf z \u304b\u3089 p(z) \u3092\u751f\u6210\u3059\u308b
\n(3) D \u306f G \u306e\u751f\u6210\u3057\u305f\u30c7\u30fc\u30bf G(z) \u304c\u30e9\u30f3\u30c0\u30e0\u30c7\u30fc\u30bf\u304b\u3089\u751f\u6210\u3055\u308c\u305f\u3082\u306e (p(z)) \u304b\u6b63\u3057\u3044\u30c7\u30fc\u30bf (p(x)) \u304b\u3092\u5224\u5225\u3057\u3001\u5b66\u7fd2\u3059\u308b
\n(4) G \u306f D \u304c\u898b\u5206\u3051\u3092\u4ed8\u3051\u3089\u308c\u306a\u3044\u3088\u3046\u306b\u5b66\u7fd2\u3059\u308b
\n(5) \u4ee5\u4e0b(2)\u301c(4)\u3092\u7e70\u308a\u8fd4\u3057\u3001\u5b66\u7fd2\u3092\u9032\u3081\u3066\u3044\u304f<\/p>\n

\u3053\u306e\u5b66\u7fd2\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u8ad6\u6587\u5185\u3067\u306f\u4e0b\u8a18\u306e\u4fa1\u5024\u89b3\u6570\u3067\u8868\u3055\u308c\u308b\u300c2\u4eba\u306e\u30d7\u30ec\u30a4\u30e4\u30fc\u306e minimax game\u300d\u3068\u8868\u73fe\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\"GAN<\/p>\n

\u307e\u305f\u3001\u540c\u8ad6\u6587\u5185\u3067\u306f G \u304c\u507d\u672d\u3092\u4f5c\u308b\u4eba\u3001 D \u304c\u507d\u672d\u3092\u898b\u7834\u308b\u4eba\u3068\u4f8b\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n

\"GAN<\/p>\n

\u6570\u5f0f\u306b\u3064\u3044\u3066\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306f\u5272\u611b\u3044\u305f\u3057\u307e\u3059\u304c\u3001\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u8ad6\u6587\u306e3\u301c4\u7ae0\u3001\u307e\u305f\u306f\u65e5\u672c\u8a9e\u3067\u8a73\u3057\u304f\u8aac\u660e\u3055\u308c\u3066\u3044\u308b\u30b5\u30a4\u30c8<\/a>\u3082\u3042\u308a\u307e\u3059\u306e\u3067\u305d\u3061\u3089\u3092\u3054\u53c2\u7167\u4e0b\u3055\u3044\u3002<\/p>\n

\u203b\u8ad6\u6587\u306f GAN \u306e\u30b5\u30a4\u30c8<\/a>\u53f3\u5074\u300cDownload\u300d\u304b\u3089\u8aad\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\n

GAN \u3067\u51fa\u6765\u308b\u3053\u3068\u3068\u5b9f\u4f8b<\/h3>\n<\/div>\n

\u5148\u306b\u3082\u66f8\u3044\u305f\u3088\u3046\u306b GAN \u306b\u3064\u3044\u3066\u306f\u753b\u50cf\u8a8d\u8b58\u3084\u753b\u50cf\u751f\u6210\u306a\u3069\u3067\u306e\u5fdc\u7528\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5143\u306e\u8ad6\u6587\u5185\u3067\u30825\u7ae0\u3067\u5b9f\u969b\u306e\u753b\u50cf\u751f\u6210\u4f8b\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\"GAN<\/p>\n

GAN \u753b\u50cf\u751f\u6210\u4f8b (\u51fa\u5178\uff1a GAN \u8ad6\u6587\u3088\u308a)<\/p>\n

\u307e\u305f\u3001\u3053\u306e GAN \u3092\u5143\u306b\u3001\u3055\u3089\u306b\u5b66\u7fd2\u3092\u6df1\u5c64\u5316\u3059\u308b\u7b49\u3067\u6539\u826f\u3057\u305f DCGAN<\/a> \u3092\u306f\u3058\u3081\u3068\u3057\u3066\u3055\u307e\u3056\u307e\u306a\u6539\u826f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u7814\u7a76\u3001\u958b\u767a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u307e\u3067\u306b\u767a\u8868\u3055\u308c\u3066\u3044\u308b GAN \u306e\u307e\u3068\u3081\u300cThe GAN Zoo<\/a>\u300d\u3068\u3044\u3046\u30b5\u30a4\u30c8\u3082\u3042\u308a\u3001\u7814\u7a76\u304c\u6d3b\u767a\u3067\u3042\u308b\u3053\u3068\u304c\u3088\u304f\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n

\u6700\u8fd1\u3067\u306f\u30af\u30de\u306e\u8eab\u4f53\u3092\u30d1\u30f3\u30c0\u306e\u3088\u3046\u306a\u6a21\u69d8\u306b\u5909\u63db\u3059\u308b\u30b5\u30f3\u30d7\u30eb<\/a>\u304c Goodfellow \u6c0f \u306e Twitter<\/a> \u3067\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n

\u4f59\u8ac7\u3067\u3059\u304c\u3001\u5148\u65e5\u67d0\u6240\u3067\u958b\u50ac\u3055\u308c\u305f AI \u306b\u95a2\u3059\u308b\u30c8\u30fc\u30af\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u8074\u304d\u306b\u884c\u304d\u307e\u3057\u305f\u304c\u3001\u305d\u3053\u3067\u3082\u753b\u50cf\u8a8d\u8b58\/\u751f\u6210\u306e\u65b9\u6cd5\u3068\u3057\u3066\u8aac\u660e\u3055\u308c\u3066\u3044\u305f\u624b\u9806\u304c GAN \u305d\u306e\u3082\u306e\u3067\u3057\u305f\u3002\u305d\u308c\u3060\u3051\u7814\u7a76\u3001\u958b\u767a\u306e\u73fe\u5834\u3067\u306f GAN \u304c\u4e00\u822c\u7684\u3068\u306a\u308a\u3064\u3064\u3042\u308b\u3053\u3068\u304c\u3046\u304b\u304c\u3048\u307e\u3059\u3002<\/p>\n

Goodfellow \u6c0f\u81ea\u8eab\u3001\u73fe\u5728 Google \u3067\u6d3b\u52d5\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u4eca\u5f8c\u3082\u4eba\u5de5\u77e5\u80fd\u306b\u3088\u308b\u753b\u50cf\u8a8d\u8b58\u3001\u751f\u6210\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u3057\u3066\u3053\u308c\u304b\u3089\u3082\u5e83\u304c\u3063\u3066\u3044\u304f\u3068\u601d\u308f\u308c\u308b GAN \u306b\u306f\u6ce8\u76ee\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\u3001\u30d7\u30ed\u30c0\u30af\u30c8\u958b\u767a\u30c1\u30fc\u30e0 \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u68ee\u6c38\u3067\u3059\u3002 \u5148\u65e5\u306e\u8a18\u4e8b\u300c\u30ab\u30e9\u30fc\u30d1\u30ec\u30c3\u30c8\u3082\u4eba\u5de5\u77e5\u80fd\u3067\uff01\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u306b\u3088\u308b\u914d\u8272\u30c4\u30fc\u30eb Colormind\u300d\u3067\u4eba\u5de5\u77e5\u80fd\u306b\u3088\u308b\u30ab\u30e9\u30fc\u30d1\u30ec\u30c3\u30c8\u751f\u6210\u30c4\u30fc\u30eb\u300cColormind\u300d\u3092\u7d39\u4ecb\u3057\u3001\u305d\u306e\u4e2d\u3067\u753b\u50cf\u8a8d\u8b58\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u3057\u3066\u300cGenerative Adversarial Networks (GAN)\u300d\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u7d39\u4ecb\u3044\u305f\u3057\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306f\u305d\u306e\u300cGAN\u300d\u304c […]<\/p>\n","protected":false},"author":6,"featured_media":10564,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[25,49],"tags":[],"acf":false,"_links":{"self":[{"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/posts\/10544"}],"collection":[{"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/comments?post=10544"}],"version-history":[{"count":11,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/posts\/10544\/revisions"}],"predecessor-version":[{"id":11839,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/posts\/10544\/revisions\/11839"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/media\/10564"}],"wp:attachment":[{"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/media?parent=10544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/categories?post=10544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/tags?post=10544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}