{"id":1397,"date":"2014-12-07T20:29:00","date_gmt":"2014-12-07T12:29:00","guid":{"rendered":"http:\/\/boweihe.me\/?p=1397"},"modified":"2014-12-07T20:29:00","modified_gmt":"2014-12-07T12:29:00","slug":"ufldl%e6%95%99%e7%a8%8b%e7%9a%84%e4%b8%ad%e6%96%87%e7%bf%bb%e8%af%91-%e6%b7%b1%e5%b1%82%e7%bd%91%e7%bb%9c4%e7%af%87","status":"publish","type":"post","link":"https:\/\/dayandcarrot.space\/?p=1397","title":{"rendered":"UFLDL\u6559\u7a0b\u7684\u4e2d\u6587\u7ffb\u8bd1\u2014\u2014\u6df1\u5c42\u7f51\u7edc4\u7bc7"},"content":{"rendered":"<p><strong><a href=\"http:\/\/deeplearning.stanford.edu\/wiki\/index.php\/%E4%BB%8E%E8%87%AA%E6%88%91%E5%AD%A6%E4%B9%A0%E5%88%B0%E6%B7%B1%E5%B1%82%E7%BD%91%E7%BB%9C\" target=\"_blank\" rel=\"noopener noreferrer\">\u4ece\u81ea\u6211\u5b66\u4e60\u5230\u6df1\u5c42\u7f51\u7edc<\/a>\u00a0From Self-Taught Learning to Deep Networks<\/strong><br \/>\n<strong><a href=\"http:\/\/deeplearning.stanford.edu\/wiki\/index.php\/%E6%B7%B1%E5%BA%A6%E7%BD%91%E7%BB%9C%E6%A6%82%E8%A7%88\" target=\"_blank\" rel=\"noopener noreferrer\">\u6df1\u5c42\u7f51\u7edc\u6982\u89c8<\/a>\u00a0Deep Networks: Overview<\/strong><br \/>\n<strong><a href=\"http:\/\/deeplearning.stanford.edu\/wiki\/index.php\/%E6%A0%88%E5%BC%8F%E8%87%AA%E7%BC%96%E7%A0%81%E7%AE%97%E6%B3%95\" target=\"_blank\" rel=\"noopener noreferrer\">\u6808\u5f0f\u81ea\u7f16\u7801\u7b97\u6cd5<\/a>\u00a0 Stacked Autoencoders<\/strong><br \/>\n<strong><a href=\"http:\/\/deeplearning.stanford.edu\/wiki\/index.php\/%E5%BE%AE%E8%B0%83%E5%A4%9A%E5%B1%82%E8%87%AA%E7%BC%96%E7%A0%81%E7%AE%97%E6%B3%95\" target=\"_blank\" rel=\"noopener noreferrer\">\u5fae\u8c03\u591a\u5c42\u81ea\u7f16\u7801\u7b97\u6cd5<\/a>\u00a0Fine-tuning Stacked AEs\u00a0<\/strong><br \/>\n&nbsp;<br \/>\n\u6458\u5f55\u5176\u4e2d\u7684\u4e00\u53e5\u8bdd\uff0c\u89c9\u5f97\u633a\u6709\u9053\u7406\uff08\u55ef\u55ef\u55ef\u4e00\u5b9a\u8981\u641e\u5f97\u6211\u5df2\u7ecf\u901a\u8bfb\u6240\u6709\u6587\u7ae0\u7684\u6837\u5b50\uff01\uff09\uff1a<\/p>\n<blockquote><p>\u4e3a\u4ec0\u4e48\u6211\u4eec\u8981\u4f7f\u7528\u6df1\u5ea6\u7f51\u7edc\u5462\uff1f\u4f7f\u7528\u6df1\u5ea6\u7f51\u7edc\u6700\u4e3b\u8981\u7684\u4f18\u52bf\u5728\u4e8e\uff0c\u5b83\u80fd\u4ee5\u66f4\u52a0\u7d27\u51d1\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u8868\u8fbe\u6bd4\u6d45\u5c42\u7f51\u7edc\u5927\u5f97\u591a\u7684\u51fd\u6570\u96c6\u5408\u3002\u6b63\u5f0f\u70b9\u8bf4\uff0c\u6211\u4eec\u53ef\u4ee5\u627e\u5230\u4e00\u4e9b\u51fd\u6570\uff0c\u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u7528 <img decoding=\"async\" class=\"tex\" src=\"http:\/\/deeplearning.stanford.edu\/wiki\/images\/math\/b\/0\/0\/b0066e761791cae480158b649e5f5a69.png\" alt=\"\\textstyle k\" \/> \u5c42\u7f51\u7edc\u7b80\u6d01\u5730\u8868\u8fbe\u51fa\u6765\uff08\u8fd9\u91cc\u7684\u7b80\u6d01\u662f\u6307\u9690\u5c42\u5355\u5143\u7684\u6570\u76ee\u53ea\u9700\u4e0e\u8f93\u5165\u5355\u5143\u6570\u76ee\u5448\u591a\u9879\u5f0f\u5173\u7cfb\uff09\u3002\u4f46\u662f\u5bf9\u4e8e\u4e00\u4e2a\u53ea\u6709 <img decoding=\"async\" class=\"tex\" src=\"http:\/\/deeplearning.stanford.edu\/wiki\/images\/math\/c\/f\/a\/cfa33ecd624c1213e41d077b9b93980a.png\" alt=\"\\textstyle k-1 \" \/> \u5c42\u7684\u7f51\u7edc\u800c\u8a00\uff0c\u9664\u975e\u5b83\u4f7f\u7528\u4e0e\u8f93\u5165\u5355\u5143\u6570\u76ee\u5448\u6307\u6570\u5173\u7cfb\u7684\u9690\u5c42\u5355\u5143\u6570\u76ee\uff0c\u5426\u5219\u4e0d\u80fd\u7b80\u6d01\u8868\u8fbe\u8fd9\u4e9b\u51fd\u6570\u3002<\/p><\/blockquote>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ece\u81ea\u6211\u5b66\u4e60\u5230\u6df1\u5c42\u7f51\u7edc\u00a0From Self-Taught Learning to Deep Networks \u6df1\u5c42\u7f51\u7edc\u6982\u89c8\u00a0Deep Networks: Overview \u6808\u5f0f\u81ea\u7f16\u7801\u7b97\u6cd5\u00a0 Stacked Autoencoders \u5fae\u8c03\u591a\u5c42\u81ea\u7f16\u7801\u7b97\u6cd5\u00a0Fine-tuning Stacked AEs\u00a0 &nbsp; 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