{"id":245,"date":"2017-02-27T16:27:02","date_gmt":"2017-02-27T08:27:02","guid":{"rendered":"http:\/\/www.taoteam.tech\/?p=245"},"modified":"2017-02-27T16:27:02","modified_gmt":"2017-02-27T08:27:02","slug":"gan%e5%88%b0%e5%ba%95%e6%98%af%e4%b8%aa%e4%bb%80%e4%b9%88%e7%8e%a9%e6%84%8f%e5%84%bf%ef%bc%9f%ef%bc%9f%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/www.taoteam.tech\/?p=245","title":{"rendered":"GAN\u5230\u5e95\u662f\u4e2a\u4ec0\u4e48\u73a9\u610f\u513f\uff1f\uff1f\uff1f"},"content":{"rendered":"<p>\u751f\u6210\u5f0f\u5bf9\u6297\u7f51\u7edc\uff08GAN\uff09\u662f\u8fd1\u5e74\u6765\u5927\u70ed\u7684\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u3002<\/p>\n<p>GAN\u539f\u7406\u4ecb\u7ecd<\/p>\n<p>\u8bf4\u5230GAN\u7b2c\u4e00\u7bc7\u8981\u770b\u7684paper\u5f53\u7136\u662fIan Goodfellow\u5927\u725b\u7684Generative Adversarial Networks\uff08arxiv\uff1ahttps:\/\/arxiv.org\/abs\/1406.2661\uff09\uff0c\u8fd9\u7bc7paper\u7b97\u662f\u8fd9\u4e2a\u9886\u57df\u7684\u5f00\u5c71\u4e4b\u4f5c\u3002<\/p>\n<p>GAN\u7684\u57fa\u672c\u539f\u7406\u5176\u5b9e\u975e\u5e38\u7b80\u5355\uff0c\u8fd9\u91cc\u4ee5\u751f\u6210\u56fe\u7247\u4e3a\u4f8b\u8fdb\u884c\u8bf4\u660e\u3002\u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2a\u7f51\u7edc\uff0cG\uff08Generator\uff09\u548cD\uff08Discriminator\uff09\u3002\u6b63\u5982\u5b83\u7684\u540d\u5b57\u6240\u6697\u793a\u7684\u90a3\u6837\uff0c\u5b83\u4eec\u7684\u529f\u80fd\u5206\u522b\u662f\uff1a<\/p>\n<pre><code>G\u662f\u4e00\u4e2a\u751f\u6210\u56fe\u7247\u7684\u7f51\u7edc\uff0c\u5b83\u63a5\u6536\u4e00\u4e2a\u968f\u673a\u7684\u566a\u58f0z\uff0c\u901a\u8fc7\u8fd9\u4e2a\u566a\u58f0\u751f\u6210\u56fe\u7247\uff0c\u8bb0\u505aG(z)\u3002\nD\u662f\u4e00\u4e2a\u5224\u522b\u7f51\u7edc\uff0c\u5224\u522b\u4e00\u5f20\u56fe\u7247\u662f\u4e0d\u662f\u201c\u771f\u5b9e\u7684\u201d\u3002\u5b83\u7684\u8f93\u5165\u53c2\u6570\u662fx\uff0cx\u4ee3\u8868\u4e00\u5f20\u56fe\u7247\uff0c\u8f93\u51faD\uff08x\uff09\u4ee3\u8868x\u4e3a\u771f\u5b9e\u56fe\u7247\u7684\u6982\u7387\uff0c\u5982\u679c\u4e3a1\uff0c\u5c31\u4ee3\u8868100%\u662f\u771f\u5b9e\u7684\u56fe\u7247\uff0c\u800c\u8f93\u51fa\u4e3a0\uff0c\u5c31\u4ee3\u8868\u4e0d\u53ef\u80fd\u662f\u771f\u5b9e\u7684\u56fe\u7247\u3002\n<\/code><\/pre>\n<p>\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\uff0c\u751f\u6210\u7f51\u7edcG\u7684\u76ee\u6807\u5c31\u662f\u5c3d\u91cf\u751f\u6210\u771f\u5b9e\u7684\u56fe\u7247\u53bb\u6b3a\u9a97\u5224\u522b\u7f51\u7edcD\u3002\u800cD\u7684\u76ee\u6807\u5c31\u662f\u5c3d\u91cf\u628aG\u751f\u6210\u7684\u56fe\u7247\u548c\u771f\u5b9e\u7684\u56fe\u7247\u5206\u522b\u5f00\u6765\u3002\u8fd9\u6837\uff0cG\u548cD\u6784\u6210\u4e86\u4e00\u4e2a\u52a8\u6001\u7684\u201c\u535a\u5f08\u8fc7\u7a0b\u201d\u3002<\/p>\n<p>\u6700\u540e\u535a\u5f08\u7684\u7ed3\u679c\u662f\u4ec0\u4e48\uff1f\u5728\u6700\u7406\u60f3\u7684\u72b6\u6001\u4e0b\uff0cG\u53ef\u4ee5\u751f\u6210\u8db3\u4ee5\u201c\u4ee5\u5047\u4e71\u771f\u201d\u7684\u56fe\u7247G(z)\u3002\u5bf9\u4e8eD\u6765\u8bf4\uff0c\u5b83\u96be\u4ee5\u5224\u5b9aG\u751f\u6210\u7684\u56fe\u7247\u7a76\u7adf\u662f\u4e0d\u662f\u771f\u5b9e\u7684\uff0c\u56e0\u6b64D(G(z)) = 0.5\u3002<\/p>\n<p>\u8fd9\u6837\u6211\u4eec\u7684\u76ee\u7684\u5c31\u8fbe\u6210\u4e86\uff1a\u6211\u4eec\u5f97\u5230\u4e86\u4e00\u4e2a\u751f\u6210\u5f0f\u7684\u6a21\u578bG\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u751f\u6210\u56fe\u7247\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u751f\u6210\u5f0f\u5bf9\u6297\u7f51\u7edc\uff08GAN\uff09\u662f\u8fd1\u5e74\u6765\u5927\u70ed\u7684\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u3002 GAN\u539f\u7406\u4ecb\u7ecd \u8bf4\u5230GAN\u7b2c\u4e00\u7bc7\u8981\u770b\u7684paper\u5f53\u7136\u662fI [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=\/wp\/v2\/posts\/245"}],"collection":[{"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=245"}],"version-history":[{"count":0,"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=\/wp\/v2\/posts\/245\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=245"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}