{"id":450,"date":"2024-03-29T02:55:54","date_gmt":"2024-03-28T18:55:54","guid":{"rendered":"https:\/\/tobykskgd.life\/?p=450"},"modified":"2024-11-14T22:23:43","modified_gmt":"2024-11-14T14:23:43","slug":"18","status":"publish","type":"post","link":"https:\/\/tobykskgd.life\/index.php\/18\/","title":{"rendered":"\u674e\u5b8f\u6bc5\u673a\u5668\u5b66\u4e60\u8bfe\u7a0b\u7b14\u8bb0EP12"},"content":{"rendered":"\n

\u3010Transformer\u3011\u674e\u5b8f\u6bc52021\/2022\u6625\u673a\u5668\u5b66\u4e60\u8bfe\u7a0b\u7b14\u8bb0EP12\uff08P49-P50\uff09<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4ece\u4eca\u5929\u5f00\u59cb\u6211\u5c06\u5b66\u4e60\u674e\u5b8f\u6bc5\u6559\u6388\u7684\u673a\u5668\u5b66\u4e60\u89c6\u9891\uff0c\u4e0b\u9762\u662f\u8bfe\u7a0b\u7684\u8fde\u63a5(\u5f3a\u63a8)\u674e\u5b8f\u6bc52021\/2022\u6625\u673a\u5668\u5b66\u4e60\u8bfe\u7a0b_\u54d4\u54e9\u54d4\u54e9_bilibili<\/a>\u3002\u4e00\u5171\u6709155\u4e2a\u89c6\u9891\uff0c\u4e89\u53d6\u90fd\u5b66\u4e60\u5b8c\u6210\u5427\u3002<\/p>\n\n\n\n

\u90a3\u4e48\u9996\u5148\u8fd9\u95e8\u8bfe\u7a0b\u9700\u8981\u6709\u4e00\u5b9a\u7684\u4ee3\u7801\u57fa\u7840\uff0c\u7b80\u5355\u5b66\u4e60\u4e00\u4e0bPython\u7684\u57fa\u672c\u7528\u6cd5\uff0c\u8fd8\u6709\u91cc\u9762\u7684NumPy\u5e93\u7b49\u7b49\u7684\u57fa\u672c\u77e5\u8bc6\u3002\u518d\u5c31\u662f\u6570\u5b66\u65b9\u9762\u7684\u57fa\u7840\u5566\uff0c\u5fae\u79ef\u5206\u3001\u7ebf\u6027\u4ee3\u6570\u548c\u6982\u7387\u8bba\u7684\u57fa\u7840\u90fd\u662f\u542c\u61c2\u8fd9\u95e8\u8bfe\u5fc5\u987b\u7684\u3002<\/p>\n\n\n\n

\n\n\n\n

\u672c\u8282\u8bfe\u4ecb\u7ecd\u7684\u662fTransformer\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n

Transformer\u5176\u5b9e\u5c31\u662fSequence to Sequence\uff08\u4ee5\u4e0b\u7b80\u79f0Seq2Seq\uff09\u3002\u6211\u4eec\u60f3\u8ba9\u673a\u5668\u505a\u5230\u7684\u5c31\u662f\uff0c\u7531\u673a\u5668\u81ea\u5df1\u53bb\u51b3\u5b9a\u8f93\u51fa\u7684\u957f\u5ea6\u3002<\/p>\n\n\n\n

\u6bd4\u5982\u5728\u8bed\u97f3\u8bc6\u522b\u3001\u673a\u5668\u7ffb\u8bd1\u3001\u8bed\u97f3\u7ffb\u8bd1\u3001\u804a\u5929\u673a\u5668\u4eba\u548c\u5404\u79cd\u53ef\u4ee5\u770b\u4f5cQA\u7684\u95ee\u9898\u90fd\u53ef\u4ee5\u7528\u5230Seq2Seq\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4f46\u662f\u6709\u5f88\u591a\u95ee\u9898\u53ef\u4ee5\u7528Seq2Seq\uff0c\u4f46\u4e0d\u89c1\u5f97\u662f\u6700\u597d\u7684\u3002\u6211\u4eec\u8fd8\u662f\u9700\u8981\u6839\u636e\u5b9e\u9645\u95ee\u9898\u5ba2\u5236\u5316\u5404\u5f0f\u5404\u6837\u7684\u6a21\u578b\uff0c\u8fd9\u6837\u5b50\u5f80\u5f80\u53ef\u4ee5\u5f97\u5230\u6bd4\u5355\u7528Seq2Seq\u66f4\u597d\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8fd8\u6709\u4e00\u4e9b\u95ee\u9898\u4e2d\uff0c\u53ef\u80fd\u8f93\u51fa\u90fd\u4e0d\u662f\u4e00\u4e2aSequence\uff0c\u6211\u4eec\u4f9d\u65e7\u53ef\u4ee5\u7528Seq2Seq\u3002\u6bd4\u5982\u5728\u8bed\u6cd5\u5256\u6790\u7684\u95ee\u9898\u5f53\u4e2d\uff0c\u5c31\u7b97\u8f93\u51fa\u662f\u4e00\u4e2a\u6811\u72b6\uff0c\u6211\u4eec\u53ef\u4ee5\u628a\u6811\u5f62\u7ed3\u6784\u8f6c\u5316\u6210\u4e00\u4e2aSequence\uff0c\u7136\u540e\u4f9d\u65e7\u53ef\u4ee5\u7528Seq2Seq\u786c\u89e3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8bf4\u4e86\u8fd9\u4e48\u591aSeq2Seq\u53ef\u4ee5\u89e3\u51b3\u7684\u60c5\u51b5\uff0c\u5176\u5b9e\u5c31\u662f\u60f3\u8bf4Seq2Seq\u662f\u4e00\u4e2a\u5f88\u5f3a\u5927\u7684\u65b9\u6cd5\u3002\u5c31\u5982\u540c\u7b2c\u4e00\u5f20\u56fe\u7247\u91cc\u90a3\u6837\uff0c\u5bf9\u4e8e\u4e00\u4e9b\u95ee\u9898\uff0c\u6211\u4eec\u53ea\u8981\u7528Seq2Seq\u786cTrain\u4e00\u53d1\u5c31\u53ef\u4ee5\u89e3\u51b3\u4e86\u3002<\/p>\n\n\n\n

\u63a5\u4e0b\u53bb\u6211\u4eec\u5c31\u6765\u4ecb\u7ecdSeq2Seq\u7684\u7ed3\u6784\u3002<\/p>\n\n\n\n

Seq2Seq\u4e2d\u4e3b\u8981\u7684\u5c31\u662f\u6709\u4e00\u4e2a\u7f16\u7801\u5668\uff08Encoder\uff09\u548c\u89e3\u7801\u5668\uff08Decoder\uff09\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u6211\u4eec\u5148\u6765\u4ecb\u7ecd\u4e00\u4e9b\u7f16\u7801\u5668\u3002<\/p>\n\n\n\n

\u7f16\u7801\u5668\u5c31\u662f\u8f93\u5165\u4e00\u6392\u5411\u91cf\uff0c\u7136\u540e\u8f93\u51fa\u4e00\u6392\u5411\u91cf\u3002\u8fd9\u6837\u5b50\u7684\u529f\u80fdRNN\u548cCNN\u90fd\u53ef\u4ee5\u505a\u5230\uff0c\u5b9e\u9645\u4e0aTransformer\u4e2d\u7684\u7f16\u7801\u5668\u5c31\u662f\u4e0a\u6b21\u8bf4\u7684Self-attention\uff0c\u5982\u679c\u4f60\u5fd8\u8bb0\u4e86Self-attention\uff0c\u8fd9\u91cc\u653e\u4e00\u4e2a\u4f20\u9001\u95e8\uff08\u3010\u81ea\u6ce8\u610f\u529b\u673a\u5236\u3011\u674e\u5b8f\u6bc52021\/2022\u6625\u673a\u5668\u5b66\u4e60\u8bfe\u7a0b\u7b14\u8bb0EP11\uff08P38-P39\uff09 \u2013 -TobyKSKGD\u7684\u4e2a\u4eba\u535a\u5ba2-<\/a>\uff09\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7f16\u7801\u5668\u91cc\u9762\u4e5f\u4e0d\u6b62\u4e00\u4e2a\u8f93\u5165\u548c\u8f93\u51fa\uff0c\u91cc\u9762\u6709\u5f88\u591a\u4e2aBlock\uff0c\u6bcf\u4e00\u4e2aBlock\u90fd\u662f\u4e00\u4e2aSelf-attention\u5728\u505a\u64cd\u4f5c\u3002\u5f53\u7136\uff0c\u5b9e\u9645\u4e0a\u771f\u6b63\u7684Transformer\u91cc\u9762\u7528\u7684\u4e0d\u662f\u7b80\u5355\u7684Self-attention\u3002<\/p>\n\n\n\n

Transformer\u91cc\u5bf9Self-attention\u505a\u4e86\u4fee\u6539\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5728\u4e00\u4e2aBlock\u91cc\u9762\uff0cSelf-attention\u5c42\u91cc\u9762\u628a\u8f93\u5165\u548c\u8f93\u51fa\u62fc\u8d77\u6765\u4f5c\u4e3a\u4e00\u4e2a\u8f93\u5165\uff0c\u8fd9\u4e2a\u8f93\u5165\u53eb\u505aresidual\uff0c\u7136\u540e\u8fd8\u8981\u5bf9\u8fd9\u4e2a\u53c2\u6570\u505a\u4e00\u4e2a\u5f52\u4e00\u5316\u5904\u7406\uff0c\u8fd9\u91cc\u7684\u5f52\u4e00\u5316\u5904\u7406\u548c\u4e0a\u4e00\u4e2aEP\u4e2d\u8bf4\u7684Batch Normalization\u4e0d\u4e00\u6837\uff0c\u8fd9\u91cc\u7528\u5230\u7684\u662f\u66f4\u7b80\u5355\u7684Layer Norm\u3002\u505a\u6cd5\u5c31\u5728\u9ed1\u8272\u6846\u91cc\u9762\uff0cm\u8868\u793a\u7684\u662f\u5411\u91cf\u91cc\u5143\u7d20\u7684\u5e73\u5747\u503c\uff0c\u03c3\u6307\u7684\u662f\u5411\u91cf\u91cc\u5143\u7d20\u7684\u6807\u51c6\u5dee\uff0c\u7136\u540e\u5f52\u4e00\u5316\u7b97\u5bf9\u5e94\u7684x\u2018i<\/sub>\u5c31\u53ef\u4ee5\u4e86\u3002\u7ecf\u8fc7Self-attention\u5f97\u5230\u7684\u7ed3\u679c\uff0c\u6211\u4eec\u518d\u8fdb\u5165\u5168\u8fde\u63a5\u5c42\uff0c\u7136\u540e\u518d\u505a\u4e00\u6b21\u548c\u4e4b\u524d\u4e00\u6837\u7684\u64cd\u4f5c\uff0c\u6700\u7ec8\u5f97\u5230\u7684\u8f93\u51fa\u5c31\u662f\u7f16\u7801\u5668\u91cc\u4e00\u4e2aBlock\u7684\u8f93\u51fa\u3002<\/p>\n\n\n\n

\u4e0a\u9762\u8fd9\u91cc\u7684\u64cd\u4f5c\u5c31\u5bf9\u5e94\u7684\u662fEncoder\u56fe\u4e2d\u7bad\u5934\u6307\u7684\u8fd9\u4e9b\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u63a5\u7740\u6211\u4eec\u6765\u8bf4\u89e3\u7801\u5668\u3002<\/p>\n\n\n\n

\u89e3\u7801\u5668\u5f00\u59cb\u6709\u4e00\u4e2a\u5411\u91cf\uff0c\u662f\u4e00\u4e2a\u8868\u793a\u53e5\u5b50\u5f00\u59cb\u7684\u5411\u91cf\uff08BOS\uff09\u7528One-hot\u7f16\u7801\u8868\u793a\u3002<\/p>\n\n\n\n

\u6211\u4eec\u5148\u6765\u8bf4\u89e3\u7801\u5668\u7684\u8f93\u51fa\u3002\u4e0b\u56fe\u4e2d\u7ecf\u8fc7\u89e3\u7801\u5668\u8f93\u51fa\u7684\u5411\u91cf\u7684\u957f\u5ea6\u662f\u6211\u4eec\u6574\u4e2a\u6a21\u578b\u53ef\u4ee5\u8bc6\u522b\u7684\u5b57\u6570\u6765\u51b3\u5b9a\u7684\uff0c\u6bd4\u5982\u5728\u4e2d\u6587\u8bc6\u522b\u5f53\u4e2d\uff0c\u5e38\u7528\u5b57\u6709\u4e09\u56db\u5343\u4e2a\uff0c\u8fd9\u4e2a\u5411\u91cf\u957f\u5ea6\u5c31\u4e3a\u4e09\u56db\u5343\u3002\u7136\u540e\u4eceDecoder\u8f93\u51fa\u6765\u7684\u5411\u91cf\u5148\u4f1a\u901a\u8fc7\u4e00\u4e2asoftmax\uff0c\u7136\u540e\u5f97\u5230\u5411\u91cf\u91cc\u6240\u6709\u5143\u7d20\u5bf9\u5e94\u7684\u5206\u6570\uff0c\u6211\u4eec\u6839\u636e\u8fd9\u4e2a\u5f97\u5206\u6700\u9ad8\u7684\u4f5c\u4e3a\u6211\u4eec\u7684\u8f93\u51fa\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7136\u540e\u9700\u8981\u8bf4\u7684\u662f\uff0c\u89e3\u7801\u5668\u4e2d\u8f93\u51fa\u7684\u5411\u91cf\u662f\u6839\u636e\u524d\u9762\u7684\u5168\u90e8\u8f93\u51fa\u548cBOS\u5f53\u4f5c\u8f93\u5165\u5f97\u5230\u7684\u3002\u6bd4\u5982\u4e0a\u56fe\u4e2d\uff0c\u6211\u4eec\u6839\u636eBOS\u548c\u201c\u673a\u201d\u5f97\u5230\u8f93\u51fa\u201c\u5668\u201d\uff0c\u7136\u540e\u53c8\u6839\u636eBOS\u3001\u201c\u673a\u201d\u548c\u201c\u5668\u201d\u5f97\u5230\u8f93\u51fa\u201c\u5b66\u201d\uff0c\u7136\u540e\u5982\u4e0a\u56fe\u8fd9\u6837\u4e00\u76f4\u4ee5\u6b64\u7c7b\u63a8\u3002<\/p>\n\n\n\n

\u89e3\u7801\u5668\u4e2d\u628aSelf-attention\u4fee\u6539\u4e3a\u4e86Masked Self-attention\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u548cSelf-attention\u4e0d\u540c\u7684\u5c31\u662f\uff0c\u56e0\u4e3a\u89e3\u7801\u5668\u4e2d\u7684\u8f93\u5165\u662f\u6709\u5148\u540e\u7684\uff0c\u6240\u6709\u4ea7\u751f\u524d\u9762\u8f93\u51fa\u7684\u65f6\u5019\u4e0d\u8003\u8651\u6574\u4e2aSequence\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e0d\u80fd\u8003\u8651\u540e\u9762\u7684\u8f93\u5165\u3002<\/p>\n\n\n\n

\u6700\u540e\uff0c\u56e0\u4e3a\u6211\u4eec\u9700\u8981\u8ba9\u673a\u5668\u81ea\u5df1\u51b3\u5b9a\u8f93\u51fa\u7684\u957f\u5ea6\uff0c\u6240\u4ee5\u8f93\u51fa\u7ed3\u675f\u7b26\u4e5f\u5e94\u8be5\u653e\u5728\u5411\u91cf\u5f53\u4e2d\u3002\u8fd9\u91cc\u5c31\u662f\uff0c\u5982\u679c\u6700\u7ec8END\u7b26\u5f97\u5230\u7684\u5206\u6570\u6700\u9ad8\uff0c\u4e5f\u5c31\u662f\u8f93\u51fa\u4e86END\u7b26\uff0c\u6211\u4eec\u5c31\u8ba9\u89e3\u7801\u5668\u505c\u6b62\u8f93\u51fa\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7136\u540e\u6211\u4eec\u518d\u6765\u6bd4\u8f83\u81ea\u56de\u5f52\uff08Autoregressive\uff0c\u4ee5\u4e0b\u7b80\u79f0AT\uff09\u548c\u975e\u81ea\u56de\u5f52\uff08Non-autoregressive\uff0c\u4ee5\u4e0b\u7b80\u79f0NAT\uff09\u7684\u533a\u522b\u3002<\/p>\n\n\n\n

AT\u5c31\u662f\u50cf\u521a\u624d\u8bf4\u7684\u8fd9\u6837\uff0c\u6839\u636e\u524d\u9762\u6240\u6709\u7684\u8f93\u51fa\u51b3\u5b9a\u4e0b\u4e00\u4e2a\u8f93\u51fa\uff0c\u4e5f\u5c31\u662f\u4e00\u4e2a\u4e00\u4e2a\u8f93\u51fa\u7684\u6a21\u578b\uff0cChat-GPT\u7528\u7684\u5c31\u662fAT\u6a21\u578b\u3002<\/p>\n\n\n\n

NAT\u5c31\u662f\u548c\u524d\u9762\u7684AT\u53cd\u8fc7\u6765\uff0c\u4e00\u6b21\u6027\u8f93\u51fa\u6240\u6709\u7684\u8f93\u51fa\u3002<\/p>\n\n\n\n

\u90a3NAT\u662f\u5982\u4f55\u51b3\u5b9a\u8f93\u51fa\u957f\u5ea6\u7684\u5462\uff1f<\/p>\n\n\n\n

\u4e00\u79cd\u65b9\u6cd5\u662f\u518d\u53e6\u5916\u8bad\u7ec3\u5e94\u8be5\u9884\u6d4b\u5668\u53bb\u51b3\u5b9a\u8f93\u51fa\u7684\u957f\u5ea6\u3002<\/p>\n\n\n\n

\u53e6\u5916\u8fd8\u6709\u4e00\u79cd\u65b9\u6cd5\u662f\u5148\u8f93\u51fa\u4e00\u4e2a\u5f88\u957f\u7684\u5e8f\u5217\uff0c\u7528END\u7b26\u7ec8\u6b62\uff0c\u5ffd\u7565END\u540e\u9762\u7684\u8f93\u51fa\u3002<\/p>\n\n\n\n

NAT\u7684\u4f18\u70b9\u662f\u53ef\u4ee5\u540c\u65f6\u8f93\u51fa\uff0c\u8ba1\u7b97\u901f\u5ea6\u5feb\uff1b\u5e76\u4e14NAT\u53ef\u4ee5\u63a7\u5236\u8f93\u51fa\u7684\u957f\u5ea6\uff0c\u8ba9\u6211\u4eec\u53ef\u4ee5\u81ea\u7531\u53d8\u6362\u8f93\u51fa\u7684\u957f\u5ea6\u3002<\/p>\n\n\n\n

\u4f46\u662f\uff0c\u76ee\u524dNAT\u7684\u6548\u679c\u4e00\u822c\u4e0d\u5982AT\u3002\u4e0d\u8fc7\u8981\u662f\u6df1\u5165\u7814\u7a76NAT\uff0c\u5e94\u8be5\u8fd8\u662f\u6709\u53d1\u5c55\u524d\u666f\u7684\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u63a5\u7740\u6211\u4eec\u518d\u6765\u6bd4\u8f83\u4e00\u4e9b\u7f16\u7801\u5668\u548c\u89e3\u7801\u5668\u7684\u533a\u522b\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7ecf\u8fc7\u4e0a\u56fe\u6bd4\u8f83\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\uff0c\u7f16\u7801\u5668\u548c\u89e3\u7801\u5668\u4e4b\u95f4\u7684\u5dee\u522b\u5176\u5b9e\u5c31\u5728Cross attention\u91cc\u9762\uff0c\u7136\u540e\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2aCross attention\u91cc\u7684\u53c2\u6570\u6709\u4e24\u4e2a\u6765\u81ea\u7f16\u7801\u5668\uff0c\u4e00\u4e2a\u6765\u81ea\u89e3\u7801\u5668\u3002Cross attention\u4e5f\u662f\u7f16\u7801\u5668\u548c\u89e3\u7801\u5668\u8fde\u63a5\u8d77\u6765\u7684\u6865\u6881\u3002<\/p>\n\n\n\n

\u4e0b\u9762\u662fCross attention\u7684\u8fd0\u4f5c\u8fc7\u7a0b\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

Cross attention\u91cc\u505a\u7684\u5c31\u662f\uff0c\u5148\u628a\u6765\u81ea\u89e3\u7801\u5668\u7684q\u548c\u6765\u81ea\u7f16\u7801\u5668\u7684k\u76f8\u4e58\u5f97\u5230\u6ce8\u610f\u529b\u5206\u6570\u03b1\uff0c\u7136\u540e\u7528\u03b1\u4e58\u4e0a\u53e6\u4e00\u4e2a\u6765\u81ea\u7f16\u7801\u5668\u7684v\uff0c\u6700\u540e\u5168\u90e8\u52a0\u8d77\u6765\u5c31\u5f97\u5230\u4e86Cross attention\u7684\u8f93\u51fav\u3002<\/p>\n\n\n\n

\u5728Cross attention\u5f53\u4e2d\uff0c\u89e3\u7801\u5668\u6bcf\u4e00\u5c42\u4e0d\u4e00\u5b9a\u90fd\u8981\u770b\u7f16\u7801\u5668\u6700\u540e\u4e00\u5c42\u7684\u8f93\u51fa\u3002<\/p>\n\n\n\n

\u50cf\u4e0b\u56fe\u8fd9\u6837\u8fd8\u6709\u5f88\u591a\u7684\u8fde\u63a5\u65b9\u5f0f\uff0c\u8fd9\u91cc\u4e0d\u505a\u9610\u8ff0\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u6700\u540e\u6211\u4eec\u518d\u6765\u770b\u770bTransformer\u662f\u600e\u4e48\u8bad\u7ec3\u7684\u3002<\/p>\n\n\n\n

\u6211\u4eec\u628a\u89e3\u7801\u5668\u8f93\u51fa\u7ecf\u8fc7softmax\u4e4b\u540e\u5f97\u5230\u7684\u5e26\u6709\u6bcf\u4e00\u4e2a\u5143\u7d20\u5206\u6570\u7684\u5411\u91cf\u505a\u6700\u5c0f\u5316\u4ea4\u53c9\u71b5\u5f97\u5230\u6700\u7ec8\u7684\u8f93\u51fa\uff0c\u8fd9\u91cc\u5b9e\u9645\u4e0a\u7528\u5230\u7684\u5c31\u662f\u4ee5\u524d\u8bfe\u4e2d\u5b66\u8fc7\u7684\u5206\u7c7b\u95ee\u9898\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7136\u540e\u5728\u8bad\u7ec3\u7684\u65f6\u5019\uff0c\u4e00\u822c\u4f1a\u7ed9\u89e3\u7801\u5668\u770b\u6b63\u786e\u7684\u7b54\u6848\uff0c\u544a\u8bc9\u673a\u5668\u4ec0\u4e48\u60c5\u51b5\u4e0b\u5e94\u8be5\u8f93\u51fa\u4ec0\u4e48\u3002\uff08\u8fd9\u91cc\u7684\u8fd9\u4e2a\u505a\u6cd5\u5176\u5b9e\u6709\u95ee\u9898\uff0c\u540e\u9762\u4f1a\u518d\u89e3\u91ca\uff09<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u81ea\u6b64\uff0c\u6211\u4eec\u5c31\u8bb2\u5b8c\u4e86\u6574\u4e2aTransformer\u7684\u8fc7\u7a0b\u3002<\/p>\n\n\n\n

\n\n\n\n

\u6700\u540e\u6211\u4eec\u6765\u8bf4\u4e00\u4e9b\u8bad\u7ec3Seq2Seq\u7c7b\u6a21\u578b\u7684tips\uff0c\u4e00\u5171\u6709\u4e94\u70b9\u3002\u4ee5\u4e0b\u53ea\u662f\u63d0\u5230\u65b9\u6cd5\uff0c\u4e0d\u4f1a\u5bf9\u65b9\u6cd5\u8fdb\u884c\u9610\u8ff0\u3002<\/p>\n\n\n\n

\u7b2c\u4e00\u70b9\u662fCopy Mechanism\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5728\u4e00\u4e9b\u5b9e\u9645\u95ee\u9898\u4e0a\uff0c\u6211\u4eec\u9700\u8981\u6a21\u578b\u6709\u8f93\u51fa\u7684\u90e8\u5206\u5185\u5bb9\u662f\u8f93\u5165\u7684\u80fd\u529b\u3002\u6bd4\u5982\u5728\u804a\u5929\u673a\u5668\u4eba\u91cc\u9762\uff0c\u9700\u8981\u5bf9\u540d\u5b57\u6216\u8005\u8bf4\u5b83\u4e0d\u7406\u89e3\u7684\u4e1c\u897f\u4f5c\u4e3a\u8f93\u51fa\uff0c\u518d\u6bd4\u5982\u505a\u6458\u8981\u7684\u6a21\u578b\u4e2d\uff0c\u6211\u4eec\u4e5f\u9700\u8981\u8f93\u51fa\u7684\u90e8\u5206\u5185\u5bb9\u662f\u8f93\u5165\u7684\u80fd\u529b\u3002\u8fd9\u91cc\u5c31\u9700\u8981Copy Mechanism\u7684\u6280\u672f\u3002<\/p>\n\n\n\n

\u7b2c\u4e8c\u70b9\u662fGuided Attention\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5728\u67d0\u4e9b\u4efb\u52a1\u4e2d\u8f93\u5165\u548c\u8f93\u51fa\u662f\u5355\u8c03\u5bf9\u9f50\u7684\uff0c\u6bd4\u5982\u8bed\u97f3\u8bc6\u522b\u3001TTS\u7b49\uff0c\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u5c31\u4e0d\u60f3\u8ba9attention\u4e71\u52a8\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u7528Guided Attention\u6280\u672f\uff0c\u5f3a\u8febattention\u6709\u4e00\u4e2a\u56fa\u5b9a\u7684\u6837\u8c8c\u3002<\/p>\n\n\n\n

\u7b2c\u4e09\u70b9\u662fBeam Search\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5728\u4e0a\u9762\u89e3\u7801\u5668\u6839\u636e\u5411\u91cf\u4e2d\u5f97\u5206\u6700\u9ad8\u7684\u5143\u7d20\u4f5c\u4e3a\u8f93\u51fa\uff0c\u7136\u540e\u628a\u8fd9\u4e2a\u8f93\u51fa\u5f53\u4f5c\u4e0b\u4e00\u4e2a\u8f93\u5165\u518d\u5f97\u5230\u4e0b\u4e00\u4e2a\u8f93\u51fa\u7684\u73af\u8282\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e0a\u9762\u8fd9\u6837\u7684\u60c5\u51b5\u3002\u4e0a\u9762\u7ea2\u8272\u8def\u5f84\u53ea\u662f\u4e00\u5f00\u59cb\u7684\u5206\u6570\u597d\uff0c\u7eff\u8272\u7684\u8def\u5f84\u4e00\u5f00\u59cb\u4e0d\u597d\uff0c\u4f46\u662f\u63a5\u4e0b\u53bb\u90fd\u662f\u597d\u7684\u3002\u8fd9\u91ccBeam Search\u5c31\u53ef\u80fd\u53ef\u4ee5\u5e2e\u52a9\u627e\u5230\u8fd9\u4e2a\u76f8\u5bf9\u66f4\u597d\u7684\u7eff\u8272\u8def\u5f84\uff0c\u6ce8\u610f\u8fd9\u91cc\u53ea\u662f\u53ef\u80fd\u3002<\/p>\n\n\n\n

\u7b2c\u56db\u70b9\u662fOptimizing Evaluation Metrics\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5c31\u662f\u5728\u8bc4\u4f30\u6a21\u578b\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4f1a\u628a\u62ff\u4e24\u4e2a\u53e5\u5b50\u505a\u6bd4\u8f83\u624d\u7b97\u51fa\u7684BLEU score\u4f5c\u4e3a\u8bc4\u4f30\u6a21\u578b\u7684\u6307\u6807\u3002<\/p>\n\n\n\n

\u7b2c\u4e94\u70b9\u662fScheduled Sampling\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

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\n\n\n\n

\u4ee5\u4e0a\u5c31\u662f\u5bf9Transformer\u7684\u8bb2\u89e3\u7b14\u8bb0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010Transformer\u3011\u674e\u5b8f\u6bc52021\/2022\u6625\u673a\u5668\u5b66\u4e60\u8bfe\u7a0b\u7b14\u8bb0EP12\uff08P49-P50\uff09 \u4ece\u4eca\u5929\u5f00\u59cb\u6211\u5c06 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[3,7,9,8],"class_list":["post-450","post","type-post","status-publish","format-standard","hentry","category-lhyjqxxbj","tag-xxbj","tag-jjxx","tag-lhy","tag-deeplearning"],"_links":{"self":[{"href":"https:\/\/tobykskgd.life\/index.php\/wp-json\/wp\/v2\/posts\/450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tobykskgd.life\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tobykskgd.life\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tobykskgd.life\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tobykskgd.life\/index.php\/wp-json\/wp\/v2\/comments?post=450"}],"version-history":[{"count":12,"href":"https:\/\/tobykskgd.life\/index.php\/wp-json\/wp\/v2\/posts\/450\/revisions"}],"predecessor-version":[{"id":1883,"href":"https:\/\/tobykskgd.life\/index.php\/wp-json\/wp\/v2\/posts\/450\/revisions\/1883"}],"wp:attachment":[{"href":"https:\/\/tobykskgd.life\/index.php\/wp-json\/wp\/v2\/media?parent=450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tobykskgd.life\/index.php\/wp-json\/wp\/v2\/categories?post=450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tobykskgd.life\/index.php\/wp-json\/wp\/v2\/tags?post=450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}