{"id":45135,"date":"2023-12-11T15:04:57","date_gmt":"2023-12-11T07:04:57","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=45135"},"modified":"2023-12-11T15:04:57","modified_gmt":"2023-12-11T07:04:57","slug":"ctc%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/ctc%e6%a8%a1%e5%9e%8b\/","title":{"rendered":"CTC\u6a21\u578b"},"content":{"rendered":"<p>&#8220;`&#8221;<\/p>\n<p>CTC\u7684\u5168\u79f0\u662fConnectionist Temporal Classification\uff0c\u4e2d\u6587\u7ffb\u8bd1\u5927\u6982\u662f\u8fde\u63a5\u65f6\u5e8f\u5206\u7c7b\u3002\u5b83\u8981\u8fbe\u5230\u7684\u76ee\u6807\u5c31\u662f\u76f4\u63a5\u5c06\u8bed\u97f3\u548c\u76f8\u5e94\u7684\u6587\u5b57\u5bf9\u5e94\u8d77\u6765\uff0c\u5b9e\u73b0\u65f6\u5e8f\u95ee\u9898\u7684\u5206\u7c7b\u3002<br \/>\n\u7528\u516c\u5f0f\u6765\u63cf\u8ff0\u7684\u8bdd\uff0cCTC\u7684\u516c\u5f0f\u63a8\u5bfc\u5982\u4e0b\uff1a<\/p>\n<p>\u5728\u57fa\u4e8eCD-DNN-HMM\u67b6\u6784\u7684\u8bed\u97f3\u8bc6\u522b\u58f0\u5b66\u6a21\u578b\u4e2d\uff0c\u8bad\u7ec3DNN\u901a\u5e38\u9700\u8981\u5e27\u5bf9\u9f50\u6807\u7b7e\u3002\u5728GMM\u4e2d\uff0c\u8fd9\u4e2a\u5bf9\u9f50\u64cd\u4f5c\u662f\u901a\u8fc7EM\u7b97\u6cd5\u4e0d\u65ad\u8fed\u4ee3\u5b8c\u6210\u7684\u3002<\/p>\n<p>E-step\uff1a\u4f30\u8ba1(\u91cd\u4f30)GMM\u53c2\u6570<\/p>\n<p>M-step\uff1a\u4f7f\u7528BW(Baum-Welch\u7b97\u6cd5)\u5bf9\u9f50<\/p>\n<p>\u6b64\u5916\u5bf9\u4e8eHMM\u5047\u8bbe\u4e00\u76f4\u53d7\u5230\u8bdf\u75c5\uff0c\u7b49\u5230RNN\u51fa\u73b0\u4e4b\u540e\uff0c\u4f7f\u7528RNN\u6765\u5bf9\u65f6\u5e8f\u5173\u7cfb\u8fdb\u884c\u63cf\u8ff0\u6765\u53d6\u4ee3HMM\u6210\u4e3a\u5f53\u65f6\u7684\u70ed\u6f6e\u3002<\/p>\n<p>\u968f\u7740\u795e\u7ecf\u7f51\u7edc\u4f18\u5316\u6280\u672f\u7684\u53d1\u5c55\u548cGPU\u8ba1\u7b97\u80fd\u529b\u7684\u4e0d\u65ad\u63d0\u5347\uff0c\u6700\u7ec8\u4f7f\u7528RNN\u548cCTC\u6765\u8fdb\u884c\u5efa\u6a21\u5b9e\u73b0\u4e86end-to-end\u8bed\u97f3\u8bc6\u522b\u7684\u58f0\u5b66\u6a21\u578b\u3002<\/p>\n<p>&lt;pre&gt;&lt;code&gt;            &quot;&#8220;`<br \/>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;`&#8221; CTC\u7684\u5168\u79f0\u662fConnectionist Temporal Classific [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-45135","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=45135"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45135\/revisions"}],"predecessor-version":[{"id":45136,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45135\/revisions\/45136"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=45135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=45135"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=45135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}