{"id":52411,"date":"2023-07-19T14:33:05","date_gmt":"2023-07-19T06:33:05","guid":{"rendered":"http:\/\/stmu.1000uc.com\/mu\/?p=52411"},"modified":"2023-07-19T14:33:05","modified_gmt":"2023-07-19T06:33:05","slug":"%e5%a5%87%e8%bf%b9mu%e5%ae%a2%e6%88%b7%e7%ab%af%e5%8e%9f%e7%90%86mu%e6%9c%ba%e5%88%b6%e7%a0%96%e6%98%af%e4%bb%80%e4%b9%88%e7%a0%96-2","status":"publish","type":"post","link":"http:\/\/stmu.1000uc.com\/mu\/52411.html","title":{"rendered":"mu\u5ba2\u6237\u7aef\u539f\u7406(mu\u673a\u5236\u7816\u662f\u4ec0\u4e48\u7816)"},"content":{"rendered":"

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\u600e\u4e48\u7406\u89e3\u751f\u6210\u6a21\u578bVAE<\/h3>\n

VAE\uff0c\u5373Auto-encodingvariationalbayes\u662f13\u5e74\u7531Kingma,DiederikP.,andMaxWelling.\u63d0\u51fa\u7684\u3002<\/p>\n

\u8bba\u6587\u5730\u5740\uff1ahttps:\/\/arxiv.org\/abs\/1312.6114<\/p>\n

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VAE\u662f\u751f\u6210\u6a21\u578b\uff0c\u5148\u4e0d\u770bVAE\u3002\u7b80\u5355\u5730\u8bf4\uff0c\u5982\u679c\u6211\u4eec\u60f3\u8981\u751f\u6210\u4e00\u4e2a\u6570\u636e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ec0\u4e48\u6837\u7684\u65b9\u5f0f\u505a\u5230\u5462\uff1f\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u6bd4\u5982\uff0c\u6211\u4eec\u8f93\u5165\u4e00\u4e2a\u5411\u91cf[1,0,0,0]\uff0c\u60f3\u8ba9\u5b83\u7ecf\u8fc7\u795e\u7ecf\u7f51\u7edc\u540e\u751f\u6210\u4e00\u5f20\u732b\u7684\u56fe\u7247\uff0c\u6211\u4eec\u4e0d\u65ad\u8bad\u7ec3\u8fd9\u4e2a\u7f51\u7edc\u53bb\u51cf\u5c0f\u751f\u6210\u7684\u56fe\u50cf\u548c\u539f\u59cb\u56fe\u50cf\u7684\u5e73\u5747\u5e73\u65b9\u8bef\u5dee\u3002\u90a3\u4e48\u8bad\u7ec3\u5b8c\u540e\uff0c\u8fd9\u4e2a\u56fe\u50cf\u7684\u4fe1\u606f\u5c31\u88ab\u4fdd\u7559\u5728\u4e86\u7f51\u7edc\u7684\u53c2\u6570\u4e2d\u3002<\/p>\n

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\u56e0\u6b64\uff0c\u6211\u4eec\u5c31\u80fd\u7406\u89e3VAE\u4e2d\u7684loss\u51fd\u6570\u7684\u7ec4\u6210\u4e86\uff0c\u4e00\u65b9\u9762\uff0c\u662f\u56fe\u7247\u7684\u91cd\u6784\u8bef\u5dee\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u5e73\u5747\u5e73\u65b9\u8bef\u5dee\u6765\u5ea6\u91cf\uff0c\u53e6\u4e00\u65b9\u9762\u3002\u6211\u4eec\u53ef\u4ee5\u7528KL\u6563\u5ea6\u6765\u5ea6\u91cf\u6211\u4eec\u7684q\uff08Z\uff09\u5206\u5e03\u548cp\uff08Z\uff09\u5206\u5e03\u7684\u5dee\u5f02\u3002<\/p>\n

\u6700\u540e\uff0c\u6211\u4eec\u7ed9\u51fa\u5229\u7528VAE\u751f\u6210\u624b\u5199\u6570\u5b57\u7684\u7ed3\u679c\uff1a<\/p>\n

\u611f\u5174\u8da3\u7684\u540c\u5b66\u4e5f\u53ef\u4ee5\u770b\u4e00\u4e0b\uff0c\u4e0b\u9762\u7684\u6709\u5173VAE\u7684\u66f4\u8be6\u7ec6\u7684\u8bba\u6587\uff1a<\/p>\n

http:\/\/lanl.arxiv.org\/pdf\/1606.05908v2<\/p>\n

mu91\u662f\u4ec0\u4e48<\/h3>\n

mu91\u662f\u4e00\u4e2a\u6570\u5b66\u8ba1\u7b97\u8f6f\u4ef6\u3002<\/p>\n

1.\u56e0\u4e3amu91\u662f\u4e00\u4e2a\u4e13\u95e8\u7528\u4e8e\u6570\u5b66\u8ba1\u7b97\u7684\u8f6f\u4ef6\uff0c\u652f\u6301\u6570\u5b66\u516c\u5f0f\u7684\u8f93\u5165\u548c\u8ba1\u7b97\uff0c\u56e0\u6b64\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u5b66\u8ba1\u7b97\u548c\u63a8\u5bfc\u3002<\/p>\n

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mu\u673a\u5236\u7816\u662f\u4ec0\u4e48\u7816<\/h3>\n

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