{"id":15005,"date":"2023-04-25T22:21:02","date_gmt":"2023-04-25T14:21:02","guid":{"rendered":"http:\/\/139.9.1.231\/?p=15005"},"modified":"2023-04-25T22:21:04","modified_gmt":"2023-04-25T14:21:04","slug":"avatarclip-zero-shot-text-driven-generation-and-animation-of-3d-avatars","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2023\/04\/25\/avatarclip-zero-shot-text-driven-generation-and-animation-of-3d-avatars\/","title":{"rendered":"AvatarCLIP: Zero-Shot Text-Driven Generation and Animation of 3D Avatars"},"content":{"rendered":"\n

AvatarCLIP\uff1a\u4ec5\u7528\u81ea\u7136\u8bed\u8a00\u9a71\u52a8\u5b9e\u73b0\u5236\u4f5c3D avatar\u52a8\u753b<\/p>\n\n\n\n

1. \u8bba\u6587\u548c\u4ee3\u7801\u5730\u5740<\/h1>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

\u8bba\u6587\u5730\u5740\uff1ahttps:\/\/arxiv.org\/abs\/2205.08535<\/a><\/p>\n\n\n\n

\u4ee3\u7801\u5730\u5740\uff1ahttps:\/\/github.com\/hongfz16\/AvatarCLIP<\/a><\/p>\n\n\n\n

2. \u52a8\u673a<\/h1>\n\n\n\n

3D avatar\u751f\u6210\u5728\u6570\u5b57\u65f6\u4ee3\u6709\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u4e00\u822c\u800c\u8a00\uff0c\u521b\u5efa\u4e00\u4e2a3Davatar\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u4eba\u7269\u5f62\u8c61\u3001\u7ed8\u5236\u7eb9\u7406\u3001\u5efa\u7acb\u9aa8\u67b6\u5e76\u4f7f\u7528\u6355\u6349\u5230\u7684\u52a8\u4f5c\u5bf9\u5176\u8fdb\u884c\u9a71\u52a8\u3002\u65e0\u8bba\u54ea\u4e00\u4e2a\u6b65\u9aa4\u90fd\u9700\u8981\u4e13\u4e1a\u4eba\u624d\u3001\u5927\u91cf\u65f6\u95f4\u548c\u6602\u8d35\u7684\u8bbe\u5907\uff0c\u4e3a\u4e86\u8ba9\u8fd9\u9879\u6280\u672f\u9762\u5411\u5927\u4f17\uff0c\u672c\u6587\u63d0\u51fa\u4e86AvatarCLIP\uff0c\u4e00\u4e2azero-shot\u6587\u672c\u9a71\u52a8\u76843Davatar\u751f\u6210\u548c\u52a8\u753b\u5316\u7684\u6846\u67b6\u3002\u4e0e\u4e13\u4e1a\u7684\u5236\u4f5c\u8f6f\u4ef6\u4e0d\u540c\uff0c\u8fd9\u4e2a\u6a21\u578b\u4e0d\u9700\u8981\u4e13\u4e1a\u77e5\u8bc6\uff0c\u4ec5\u4ec5\u901a\u8fc7\u81ea\u7136\u8bed\u8a00\u5c31\u53ef\u4ee5\u751f\u6210\u60f3\u8981\u7684avatar\u3002\u672c\u6587\u4e3b\u8981\u662f\u5229\u7528\u4e86\u5927\u89c4\u6a21\u7684\u89c6\u89c9\u8bed\u8a00\u9884\u8bad\u7ec3\u6a21\u578bCLIP\u6765\u76d1\u7763\u4eba\u4f53\u7684\u751f\u6210\uff0c\u5305\u62ec\u51e0\u4f55\u5f62\u72b6\u3001\u7eb9\u7406\u548c\u52a8\u753b\u3002\u4f7f\u7528shapeVAE\u6765\u521d\u59cb\u5316\u4eba\u7c7b\u51e0\u4f55\u5f62\u72b6\uff0c\u8fdb\u4e00\u6b65\u8fdb\u884c\u4f53\u6e32\u67d3\uff0c\u63a5\u7740\u8fdb\u884c\u51e0\u4f55\u96d5\u523b\u548c\u7eb9\u7406\u751f\u6210\uff0c\u5229\u7528motionVAE\u5f97\u5230\u8fd0\u52a8\u5148\u9a8c\u6765\u751f\u6210\u4e09\u7ef4\u52a8\u753b<\/p>\n\n\n\n

3. \u65b9\u6cd5<\/h1>\n\n\n\n

3.1\u6a21\u578b\u6982\u8ff0<\/h2>\n\n\n\n

\u4e0b\u56fe\u5c55\u793a\u4e86AvatarCLIP\u7684\u6846\u67b6\uff0c\u6a21\u578b\u5206\u4e3a\u4e24\u4e2a\u90e8\u5206\uff0c\u4e0a\u9762\u7684\u90e8\u5206\u662f\u751f\u6210\u9759\u6001\u7684avatar\uff0c\u4e0b\u9762\u7684\u90e8\u5206\u662f\u751f\u6210\u52a8\u4f5c\u3002<\/p>\n\n\n\n

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

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\u9759\u6001avatar\u751f\u6210\u5206\u4e3a\u56db\u6b65\uff0c\u9996\u5148\u6839\u636eSMPL\u7684\u6a21\u677f\u548c\u8bed\u8a00\u63d0\u793a\u521d\u59cb\u5316Mesh\uff0c\u63a5\u4e0b\u6765\u7528NeuS\u63d0\u53d6mesh\u7684\u9690\u5f0f\u8868\u793a\uff0c\u7136\u540e\u4f7f\u7528\u9690\u5f0f\u8868\u793a\u6765\u6784\u5efa\u5f62\u72b6\u548c\u751f\u6210\u7eb9\u7406\uff0c\u6700\u540e\u8fdb\u884c\u52a8\u753b\u5316\u3002motion\u751f\u6210\u9996\u5148\u751f\u6210\u5907\u9009\u59ff\u52bf\uff0c\u7136\u540e\u57fa\u4e8e\u5907\u9009\u59ff\u52bf\u751f\u6210\u52a8\u4f5c\u5e8f\u5217\u3002\u6700\u540e\u5c06\u52a8\u4f5c\u505a\u5e8f\u5217\u878d\u5165\u5230\u52a8\u753b\u4e2d\u3002<\/p>\n\n\n\n

3.2\u9759\u6001avatar\u751f\u6210<\/h2>\n\n\n\n

3.2.1coarse shape mesh \u751f\u6210<\/h3>\n\n\n\n

\u4f5c\u4e3a\u751f\u6210\u865a\u62df\u5f62\u8c61\u7684\u7b2c\u4e00\u6b65\uff0c\u751f\u6210\u4e00\u4e2a\u7c97\u7cd9\u7684\u6a21\u677fmesh\u3002SMPL \u88ab\u7528\u4f5c\u53ef\u80fd\u7684\u4eba\u4f53\u5f62\u72b6\u7684\u6765\u6e90\u3002\u5982\u56fe 3 \u6240\u793a\uff0c\u9996\u5148\u901a\u8fc7\u5bf9\u8eab\u4f53\u5f62\u72b6\u8fdb\u884c\u805a\u7c7b\u6765\u6784\u5efacode-book\u3002\u7136\u540e\u4f7f\u7528CLIP\u63d0\u53d6code-book\u548c\u6587\u672c\u4e2d\u8eab\u4f53\u5f62\u72b6\u6e32\u67d3\u7684\u7279\u5f81\uff0c\u4ee5\u83b7\u5f97\u6700\u4f73\u5339\u914d\u7684\u8eab\u4f53\u5f62\u72b6\u3002<\/p>\n\n\n\n

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

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

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3.2.2\u9690\u5f0f\u8868\u8fbe<\/h3>\n\n\n\n

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

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

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3.2.3\u5f62\u72b6\u6784\u5efa+\u7eb9\u7406\u751f\u6210<\/h3>\n\n\n\n

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

\u635f\u5931\u51fd\u6570\u5982\u4e0b<\/p>\n\n\n\n

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

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

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

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

3.2.4 \u589e\u5f3a\u8fc7\u7a0b<\/h3>\n\n\n\n

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\u968f\u673a\u80cc\u666f\u589e\u5f3a\uff0c\u4f7f\u5f97CLIP\u80fd\u66f4\u52a0focus on \u9700\u8981\u751f\u6210\u7684\u5bf9\u8c61\u4e0a\uff0c\u672c\u6587\u91c7\u7528\u4e86\u56fe\u516d\u4e2d\u5c55\u793a\u7684\u80cc\u666f\u589e\u5f3a\u7684\u624b\u6bb5\u3002<\/p>\n\n\n\n

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

\u4e3a\u4e86\u9632\u6b62\u7f51\u7edc\u627e\u5230\u4ec5\u4e3a\u51e0\u4e2a\u56fa\u5b9a\u76f8\u673a\u4f4d\u7f6e\u63d0\u4f9b\u5408\u7406\u6e32\u67d3\u7684\u6377\u5f84\u89e3\u51b3\u65b9\u6848\uff0c\u6211\u4eec\u4ee5\u624b\u52a8\u5b9a\u4e49\u7684\u91cd\u8981\u6027\u91c7\u6837\u65b9\u5f0f\u5bf9\u6bcf\u4e2a\u4f18\u5316\u8fed\u4ee3\u7684\u76f8\u673a\u5916\u90e8\u53c2\u6570\u8fdb\u884c\u968f\u673a\u91c7\u6837\uff0c\u4ee5\u83b7\u5f97\u66f4\u8fde\u8d2f\u548c\u5e73\u6ed1\u7684\u7ed3\u679c\u3002\u6211\u4eec\u9009\u62e9\u4f7f\u7528\u76f8\u673a\u7684\u201c\u6ce8\u89c6\u201d\u6a21\u5f0f\uff0c\u8be5\u6a21\u5f0f\u7531\u6ce8\u89c6\u70b9\u3001\u76f8\u673a\u4f4d\u7f6e\u548c\u5411\u4e0a\u65b9\u5411\u7ec4\u6210\u3002<\/p>\n\n\n\n

\u5411\u4e0a\u7684\u65b9\u5411\u4e00\u822c\u662f\u4eba\u4f53\u5411\u4e0a\u7684\u65b9\u5411\uff0c\u6ce8\u89c6\u70b9\u91c7\u7528\u968f\u673a\u91c7\u6837\u7684\u65b9\u6cd5\uff0c\u76f8\u673a\u4f4d\u7f6e\u4f7f\u7528\u534a\u5f84\u4e3a \u4ece\u5747\u5300\u5206\u5e03U\uff081\uff0c2\uff09\u91c7\u6837\uff0c\u6781\u89d2 \u4ece\u5747\u5300\u5206\u5e03U\uff080\uff0c2 ), \u65b9\u4f4d\u89d2 \u4ece\u9ad8\u65af\u5206\u5e03N\uff080\uff0c \/3\uff09\u91c7\u6837\uff0c\u4f7f\u5f97\u76f8\u673a\u5728\u5927\u591a\u6570\u8fed\u4ee3\u4e2d\u6307\u5411\u5316\u8eab\u7684\u524d\u65b9\u3002<\/p>\n\n\n\n

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

\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u5728\u6574\u4e2a\u4f18\u5316\u8fc7\u7a0b\u4e2d\u6ca1\u6709\u5f15\u5165\u4eba\u7c7b\u5148\u9a8c\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5728\u9519\u8bef\u7684\u8eab\u4f53\u90e8\u4f4d\u751f\u6210\u7eb9\u7406\u6216\u4e0d\u4e3a\u91cd\u8981\u7684\u8eab\u4f53\u90e8\u4f4d\u521b\u5efa\u7eb9\u7406\uff0c\u8fd9\u5c06\u5728\u7a0d\u540e\u7684\u6d88\u878d\u7814\u7a76\u4e2d\u663e\u793a\u3002\u4e3a\u4e86\u9632\u6b62\u6b64\u7c7b\u95ee\u9898\uff0c\u6211\u4eec\u5efa\u8bae\u901a\u8fc7\u4ee5\u8bed\u4e49\u611f\u77e5\u7684\u65b9\u5f0f\u589e\u5f3a\u63d0\u793a\uff0c\u5728\u4f18\u5316\u8fc7\u7a0b\u4e2d\u660e\u786e\u5f15\u5165\u4eba\u7c7b\u5148\u9a8c\u3002\u4f8b\u5982\uff0c\u5982\u56fe7\u6240\u793a\uff0c\u5982\u679c app=\u201c\u4e54\u5e03\u65af\u201d\uff0c\u6211\u4eec\u5c06\u589e\u52a0 \u5e94\u7528\u5230\u4e24\u4e2a\u9644\u52a0\u63d0\u793a face=\u201c\u53f2\u8482\u592b\u00b7\u4e54\u5e03\u65af\u7684\u8138\u201d\u548c back=\u201c\u53f2\u8482\u592b\u00b7\u4e54\u5e03\u65af\u7684\u80cc\u5f71\u201d\u3002\u5bf9\u4e8e\u6bcf\u56db\u6b21\u8fed\u4ee3\uff0c\u76f8\u673a\u7684\u6ce8\u89c6\u70b9\u88ab\u8bbe\u7f6e\u4e3a\u9762\u90e8\u7684\u4e2d\u5fc3\uff0c\u4ee5\u83b7\u5f97\u9762\u90e8\u7684\u6e32\u67d3\uff0c\u8fd9\u5c06\u7531\u63d0\u793a\u8fdb\u884c\u76d1\u7763 \u9762\u5bf9\u201c\u9762\u90e8\u589e\u5f3a\u201d\u76f4\u63a5\u76d1\u7763\u9762\u90e8\u7684\u751f\u6210\uff0c\u8fd9\u5bf9\u751f\u6210\u7684\u5316\u8eab\u7684\u8d28\u91cf\u5f88\u91cd\u8981\uff0c\u56e0\u4e3a\u4eba\u7c7b\u5bf9\u9762\u90e8\u66f4\u654f\u611f\u3002\u5bf9\u4e8e\u7b2c\u4e8c\u589e\u5f3a\u63d0\u793a\uff0c back\u88ab\u7528\u4f5c\u76f8\u5e94\u7684\u6587\u672c\uff0c\u4ee5\u660e\u786e\u5730\u6307\u5bfc\u5316\u8eab\u80cc\u90e8\u7684\u751f\u6210\u3002<\/p>\n\n\n\n

3.2.5\u52a8\u753b\u751f\u6210<\/h3>\n\n\n\n

\u9996\u5148\uff0c\u4e2d\u6bcf\u4e2a\u9876\u70b9\u7684\u6700\u8fd1\u90bb\u5c45 \u5728\u6a21\u677f\u7f51\u683c\u7684\u9876\u70b9\u4e2d\u68c0\u7d22 . \u6df7\u5408\u4e2d\u6bcf\u4e2a\u9876\u70b9\u7684\u6743\u91cd \u4ece\u4e2d\u6700\u8fd1\u7684\u9876\u70b9\u590d\u5236 . \u5176\u6b21\uff0c\u4f7f\u7528\u53cd\u5411LBS\u7b97\u6cd5\u6765\u5e26\u6765avatar\u7684\u7ad9\u7acb\u59ff\u52bf \u7ad9\u56de\u96f6\u59ff\u52bf 0\u3002\u9876\u70b9 \u88ab\u8f6c\u6362\u4e3a 0 . \u6700\u540e 0\u53ef\u4ee5\u7531\u4efb\u4f55\u59ff\u52bf\u9a71\u52a8 \u4f7f\u7528LBS\u7b97\u6cd5\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u4efb\u4f55\u59ff\u52bf\uff0c\u52a8\u753bavatar\u90fd\u53ef\u4ee5\u6b63\u5f0f\u5b9a\u4e49\u4e3a:<\/p>\n\n\n\n

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

LBS\u7b97\u6cd5\u662f\u7ebf\u6027\u6df7\u5408\u8499\u76ae\uff0c\u7528\u6237\u5728\u51e0\u4f55\u6a21\u578b\u7ed9\u4e0a\u9009\u62e9\u4e00\u7cfb\u5217\u63a7\u5236\u5355\u5143\uff0c\u5e76\u8ba1\u7b97\u51e0\u4f55\u6a21\u578b\u53d7\u8fd9\u4e9b\u63a7\u5236\u5355\u5143\u7684\u5f71\u54cd\u6743\u91cd\uff0c\u7528\u6237\u62d6\u52a8\u63a7\u5236\u5355\u5143\uff0c\u51e0\u4f55\u6a21\u578b\u968f\u7740\u63a7\u5236\u5355\u5143\u53d1\u751f\u5bf9\u5e94\u7684\u53d8\u5316\u3002<\/p>\n\n\n\n

3.3motion \u751f\u6210<\/h2>\n\n\n\n

\u6839\u636e\u7ecf\u9a8c\uff0cCLIP\u4e0d\u80fd\u76f4\u63a5\u4f30\u8ba1\u8fd0\u52a8\u5e8f\u5217\u548c\u81ea\u7136\u8bed\u8a00\u63cf\u8ff0\u4e4b\u95f4\u7684\u76f8\u4f3c\u6027\u3002\u5b83\u4e5f\u7f3a\u4e4f\u8bc4\u4f30\u8fd0\u52a8\u5e8f\u5217\u7684\u5e73\u6ed1\u6027\u6216\u5408\u7406\u6027\u7684\u80fd\u529b\u3002\u8fd9\u4e24\u4e2a\u9650\u5236\u8868\u660e\uff0c\u4ec5\u4f7f\u7528CLIP\u76d1\u7763\u5f88\u96be\u751f\u6210\u8fd0\u52a8\u3002\u56e0\u6b64\uff0c\u5fc5\u987b\u5f15\u5165\u5176\u4ed6\u6a21\u5757\u6765\u63d0\u4f9b\u8fd0\u52a8\u5148\u9a8c\u3002\u7136\u800c\uff0cCLIP\u80fd\u591f\u8bc4\u4f30\u6e32\u67d3\u7684\u4eba\u4f53\u59ff\u52bf\u548c\u63cf\u8ff0\u4e4b\u95f4\u7684\u76f8\u4f3c\u6027\u3002\u6b64\u5916\uff0c\u7c7b\u4f3c\u7684\u59ff\u52bf\u53ef\u4ee5\u88ab\u89c6\u4e3a\u9884\u671f\u8fd0\u52a8\u7684\u53c2\u8003\u3002\u57fa\u4e8e\u4ee5\u4e0a\u89c2\u5bdf\uff0c\u6211\u4eec\u63d0\u51fa\u4e86\u4e00\u4e2a\u4e24\u9636\u6bb5\u8fd0\u52a8\u751f\u6210\u8fc7\u7a0b\uff1a1\uff09\u7531CLIP\u5f15\u5bfc\u7684\u5019\u9009\u59ff\u6001\u751f\u6210\u30022\uff09 \u4f7f\u7528\u5177\u6709\u5019\u9009\u59ff\u52bf\u4f5c\u4e3a\u53c2\u8003\u7684\u8fd0\u52a8\u5148\u9a8c\u6765\u751f\u6210\u8fd0\u52a8\u5e8f\u5217\u3002<\/p>\n\n\n\n

3.3.1\u751f\u6210candidate pose<\/h3>\n\n\n\n

\u6211\u4eec\u9996\u5148\u4eceAMASS\u6570\u636e\u96c6\u521b\u5efacode-book\u3002\u4e3a\u4e86\u51cf\u5c11\u7ef4\u5ea6\uff0cVPoser\u7528\u4e8e\u5c06\u59ff\u52bf\u7f16\u7801\u4e3a \u2208 R \uff0c\u7136\u4e4e\u4f7f\u7528K-Means\u805a\u7c7b\u6765\u5efa\u7acbcode-book Bz\uff0c\u6bcf\u4e00\u4e2aBz\u7136\u540e\u901a\u8fc7\u89e3\u7801\u5668\u89e3\u7801\u4e3a\u4e00\u4e9b\u5217\u7684\u59ff\u52bf \u3002<\/p>\n\n\n\n

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

\u7ed9\u5b9a\u7684\u6587\u672c\u63cf\u8ff0 \u8fd0\u52a8\uff0c\u6bcf\u4e2a\u59ff\u52bf\u7279\u5f81 \u4ece\u4ee3\u7801\u672c\u4e2d\u8ba1\u7b97\u4e0e\u6587\u672c\u7279\u5f81\u7684\u76f8\u4f3c\u5ea6 , \u5176\u7528\u4e8e\u9009\u62e9Top-K\u6761\u76ee\u4f5c\u4e3a\u5019\u9009\u59ff\u52bf\u3002<\/p>\n\n\n\n

3.3.2motion VAE<\/h3>\n\n\n\n

\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u79cd\u53cc\u91cd\u65b9\u6cd5\u6765\u751f\u6210\u4e0e\u8fd0\u52a8\u63cf\u8ff0\u5339\u914d\u7684\u76ee\u6807\u8fd0\u52a8\u5e8f\u5217 \u8fd0\u52a8<\/p>\n\n\n\n

1\uff09 motionVAE\u88ab\u8bad\u7ec3\u4ee5\u6355\u83b7\u4eba\u7c7b\u8fd0\u52a8\u5148\u9a8c\u3002<\/p>\n\n\n\n

2\uff09 \u6211\u4eec\u4f7f\u7528\u5019\u9009\u59ff\u6001\u4f18\u5316motion VAE\u7684\u6f5c\u5728\u4ee3\u7801 \u4f5c\u4e3a\u53c2\u8003\u3002<\/p>\n\n\n\n

motion VAE\u5305\u542bencoder\u3001decoder\u548c\u91cd\u53c2\u6570\u6a21\u5757\u3002<\/p>\n\n\n\n

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

encoder\u6a21\u5757\u5305\u62ecprojection layer\u3001positional embedding layer \u3001\u51e0\u4e2atransformer encoder\u5757\u548coutput layer\u3002\u8f93\u51fa\u7b49\u4e8e<\/p>\n\n\n\n

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

\u91cd\u53c2\u6570\u6a21\u5757\u751f\u6210\u4e00\u4e2a\u9ad8\u65af\u5206\u5e03\uff0c\u4e24\u4e2a\u5168\u8fde\u63a5\u5c42\u5206\u522b\u8ba1\u7b97\u5747\u503c\u548c\u65b9\u5dee<\/p>\n\n\n\n

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

\u968f\u673a\u6f5c\u5728\u7f16\u7801z\u4ece\u5f97\u5230\u7684\u9ad8\u65af\u5206\u5e03\u4e2d\u91c7\u6837\uff0c\u6f5c\u5728\u7f16\u7801\u901a\u8fc7decoder\u89e3\u7801\u5f97\u5230motion\u5e8f\u5217<\/p>\n\n\n\n

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

\u8bad\u7ec3motion VAE\u8fc7\u7a0b\u4e2d\u7684\u635f\u5931\u51fd\u6570\u5b9a\u4e49\u4e3a\uff1a<\/p>\n\n\n\n

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

3.3.3\u751f\u6210\u8fd0\u52a8\u5e8f\u5217<\/h3>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

\u4f7f\u7528\u9884\u8bad\u7ec3\u7684motion VAE\uff0c\u6211\u4eec\u5c1d\u8bd5\u4f18\u5316\u5176\u6f5c\u5728\u4ee3\u7801 \u4ee5\u5408\u6210\u8fd0\u52a8\u5e8f\u5217 \u0398 = motion ( )\u3002\u63d0\u51fa\u4e86\u4e09\u4e2a\u4f18\u5316\u7ea6\u675f\uff1a<\/p>\n\n\n\n

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

Lpose \u662f\u89e3\u7801\u540e\u7684\u52a8\u4f5c\u5e8f\u5217 \u0398 \u548c\u5019\u9009\u59ff\u52bf \u4e4b\u95f4\u7684\u91cd\u6784\u9879\u3002\u7ed9\u5b9a\u53c2\u8003\u5e26\u6765 = { 1, 2,., }\uff0c\u76ee\u6807\u662f\u6784\u5efa\u4e00\u4e2a\u4e0e\u8fd9\u4e9b\u59ff\u52bf\u8db3\u591f\u63a5\u8fd1\u7684\u52a8\u4f5c\u5e8f\u5217\u3002\u6211\u4eec\u5efa\u8bae\u6700\u5c0f\u5316 \u4e0e\u5176\u6700\u8fd1\u7684\u5e27\u0398 \u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u5176\u4e2d \u2208 {1, 2,., } \u548c \u2208 {1, 2,., }\u3002\u5f62\u5f0f\u4e0a\uff0c\u91cd\u5efa\u635f\u5931\u5b9a\u4e49\u4e3a<\/p>\n\n\n\n

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

\u6839\u636e\u7ecf\u9a8c\uff0c\u4ec5\u4f7f\u7528\u91cd\u5efa\u635f\u5931 Lpose\uff0c\u751f\u6210\u7684\u8fd0\u52a8\u5f80\u5f80\u662f\u8fc7\u5ea6\u5e73\u6ed1\u7684\u3002Ldelta \u6d4b\u91cf\u8fd0\u52a8\u7684\u8303\u56f4\uff0c\u4ee5\u9632\u6b62\u8fd0\u52a8\u8fc7\u4e8e\u5e73\u6ed1\u3002\u4f5c\u4e3a\u5bf9\u8fc7\u5ea6\u5e73\u6ed1\u8fd0\u52a8\u7684\u60e9\u7f5a\u9879\u3002\u5728\u589e\u52a0 \u03bb6 \u65f6\u4f1a\u4ea7\u751f\u66f4\u5f3a\u70c8\u7684\u8fd0\u52a8\u3002<\/p>\n\n\n\n

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

L clips \u9f13\u52b1\u8fd0\u52a8\u4e2d\u7684\u6bcf\u4e2a\u5355\u4e00\u59ff\u52bf\u5339\u914d\u8f93\u5165\u8fd0\u52a8\u63cf\u8ff0\u3002\u7f3a\u4e4f\u5bf9\u59ff\u52bf\u6392\u5e8f\u7684\u76d1\u7763\u5c06\u5bfc\u81f4\u4e0d\u7a33\u5b9a\u7684\u751f\u6210\u7ed3\u679c\u3002\u6b64\u5916\uff0c\u5019\u9009\u59ff\u52bf\u53ef\u80fd\u53ea\u5bf9\u6700\u7ec8\u8fd0\u52a8\u5e8f\u5217\u7684\u4e00\u5c0f\u90e8\u5206\u6709\u8d21\u732e\uff0c\u8fd9\u5c06\u5bfc\u81f4\u610f\u5916\u7684\u8fd0\u52a8\u7247\u6bb5\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e24\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u8bbe\u8ba1\u4e86\u4e00\u4e2a\u9644\u52a0\u7684CLIP\u5f15\u5bfc\u635f\u5931\u9879\uff1a<\/p>\n\n\n\n

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

\u662f\u59ff\u52bf\u0398\u548c\u6587\u672c\u63cf\u8ff0\u4e4b\u95f4\u7684\u76f8\u4f3c\u5ea6\u5f97\u5206\u3002 clip ( ) = \u662f\u4e00\u4e2a\u5355\u8c03\u9012\u589e\u7684\u51fd\u6570\uff0c\u56e0\u6b64 L clip \u5bf9\u5e8f\u5217\u4e2d\u7684\u540e\u9762\u59ff\u52bf\u7ed9\u4e88\u66f4\u9ad8\u7684\u60e9\u7f5a\u3002\u901a\u8fc7\u4e0a\u8ff0 CLIP \u5f15\u5bfc\u7684\u672f\u8bed\uff0c\u6574\u4e2a\u8fd0\u52a8\u5e8f\u5217\u5c06\u4e0e\u8fd0\u52a8\u66f4\u52a0\u4e00\u81f4\u3002<\/p>\n\n\n\n

4.\u5b9e\u9a8c<\/h1>\n\n\n\n

4.1\u603b\u4f53\u7ed3\u679c<\/h2>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

\u4e0a\u56fe\u5c55\u793a\u4e86\u5177\u6709\u591a\u79cd\u8eab\u4f53\u5f62\u72b6\uff0c\u5916\u89c2\u591a\u6837\uff0c\u8d28\u91cf\u9ad8\u3002\u5b83\u4eec\u7531\u751f\u6210\u7684\u4e0e\u8f93\u5165\u63cf\u8ff0\u5408\u7406\u4e14\u4e00\u81f4\u7684\u8fd0\u52a8\u5e8f\u5217\u9a71\u52a8\u3002\u5728zero-shot style\u4e2d\uff0cAvatarClip \u80fd\u591f\u751f\u6210avatar\u548c\u52a8\u4f5c\u5e76\u4e14\u52a8\u753b\u5316\uff0c\u5229\u7528\u9884\u8bad\u7ec3\u6a21\u578b\u4e2d\u7684\u5148\u9a8c\u4fe1\u606f\u3002\u6700\u521d\u9700\u8981\u4e13\u4e1a\u8f6f\u4ef6\u4e13\u5bb6\u77e5\u8bc6\u7684\u5316\u8eab\u751f\u6210\u548c\u52a8\u753b\u7684\u6574\u4e2a\u8fc7\u7a0b\u73b0\u5728\u53ef\u4ee5\u5728\u6211\u4eec\u63d0\u51fa\u7684\u6a21\u578b\u5e2e\u52a9\u4e0b\u7b80\u5355\u5730\u7531\u81ea\u7136\u8bed\u8a00\u9a71\u52a8\u3002<\/p>\n\n\n\n

4.2Avatar \u751f\u6210<\/h2>\n\n\n\n

4.2.1\u6d88\u878d\u5b9e\u9a8c<\/h3>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

1)\u80cc\u666f\u589e\u5f3a\u7684\u8bbe\u8ba1<\/p>\n\n\n\n

2)\u4f4e\u7eb9\u7406\u6e32\u67d3\u7684\u76d1\u7763<\/p>\n\n\n\n

3)\u7eb9\u7406\u6e32\u67d3\u7684\u968f\u673a\u9634\u5f71<\/p>\n\n\n\n

4)\u8bed\u4e49\u611f\u77e5\u63d0\u793a\u589e\u5f3a\u3002<\/p>\n\n\n\n

\u56fe12\u6240\u793a\u7684\u6d88\u878d\u8bbe\u7f6e\u662f\u901a\u8fc7\u968f\u540e\u5c06\u4e0a\u8ff0\u56db\u79cd\u8bbe\u8ba1\u6dfb\u52a0\u5230baseline\u4e2d\u5f62\u6210\u7684\u3002\u5982\u56fe12\u7684\u524d\u4e24\u5217\u6240\u793a\uff0c\u80cc\u666f\u589e\u5f3a\u5bf9\u7eb9\u7406\u751f\u6210\u6709\u5f88\u5927\u5f71\u54cd\uff0c\u5982\u679c\u6ca1\u6709\u80cc\u666f\u589e\u5f3a\uff0c\u7eb9\u7406\u4f1a\u53d8\u5f97\u975e\u5e38\u6697\u3002\u6bd4\u8f83\u7b2c\u4e8c\u5217\u548c\u7b2c\u4e09\u5217\uff0c\u6dfb\u52a0\u5bf9\u65e0\u7eb9\u7406\u6e32\u67d3\u7684\u76d1\u7763\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u51e0\u4f55\u4f53\u8d28\u91cf\u3002\u201c\u6d88\u878d2\u201d\u7684\u51e0\u4f55\u7ed3\u6784\u6709\u5f88\u591a\u968f\u673a\u51f8\u8d77\uff0c\u8fd9\u4f1a\u4f7f\u8868\u9762\u4ea7\u751f\u566a\u97f3\u3002\u800c\u201c\u6d88\u878d3\u201d\u7684\u51e0\u4f55\u7ed3\u6784\u662f\u5149\u6ed1\u7684\uff0c\u5e76\u6709\u8be6\u7ec6\u7684\u8863\u670d\u8936\u76b1\u3002\u5982\u201c\u6d88\u878d3\u201d\u548c\u201c\u6d88\u878d4\u201d\u6240\u793a\uff0c\u5728\u7eb9\u7406\u6e32\u67d3\u56fe\u4e0a\u6dfb\u52a0\u968f\u673a\u9634\u5f71\u6709\u52a9\u4e8e\u751f\u6210\u66f4\u5747\u5300\u7684\u7eb9\u7406\u3002\u4f8b\u5982\uff0c\u300a\u6d88\u878d3\u300b\u4e2d\u7684\u201c\u5510\u7eb3\u5fb7\u00b7\u7279\u6717\u666e\u201d\u4e0a\u8eab\u6bd4\u4e0b\u8eab\u66f4\u4eae\uff0c\u8fd9\u5728\u300a\u6d88\u878d4\u300b\u4e2d\u6709\u6240\u6539\u8fdb\u3002\u5982\u679c\u6ca1\u6709\u4eba\u4f53\u8bed\u4e49\u7684\u610f\u8bc6\uff0c\u524d\u9762\u7684\u56db\u4e2a\u8bbe\u7f6e\u65e0\u6cd5\u4e3a\u5316\u8eab\u751f\u6210\u6b63\u786e\u7684\u9762\u90e8\u3002\u6700\u540e\u4e00\u5217\u4f7f\u7528\u8bed\u4e49\u611f\u77e5\u63d0\u793a\u589e\u5f3a\uff0c\u5728\u9762\u90e8\u751f\u6210\u65b9\u9762\u5177\u6709\u6700\u4f73\u7ed3\u679c\u3002<\/p>\n\n\n\n

4.2.2coarse shape \u751f\u6210<\/h3>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

\u5bf9\u4e8e\u8fd9\u4e00\u90e8\u5206\uff0c\u6211\u4eec\u8bbe\u8ba1\u4e86\u4e24\u79cd\u76f4\u89c2\u7684\u57fa\u7ebf\u65b9\u6cd5\uff0c\uff08i\uff09SMPL\u4e0a\u7684\u76f4\u63a5\u4f18\u5316 \uff08ii\uff09VAE\u6f5c\u5728\u7a7a\u95f4\u4e0a\u7684\u76f4\u63a5\u4f18\u5316\u3002\u5982\u56fe13\uff08a\uff09\u6240\u793a\uff0c\u4e24\u79cd\u4f18\u5316\u65b9\u6cd5\u90fd\u65e0\u6cd5\u751f\u6210\u4e0e\u63cf\u8ff0\u6587\u672c\u4e00\u81f4\u7684\u8eab\u4f53\u5f62\u72b6\u3002\u5373\u4f7f\u662f\u76f8\u53cd\u7684\u6587\u672c\u6307\u5bfc\uff08\u4f8b\u5982\u201ckinny\u201d\u548c\u201coverweight\u201d\uff09\u4e5f\u4f1a\u5bfc\u81f4\u76f8\u540c\u7684\u4f18\u5316\u65b9\u5411\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u6211\u4eec\u7684\u65b9\u6cd5\u7a33\u5065\u5730\u751f\u6210\u4e0e\u8f93\u5165\u6587\u672c\u4e00\u81f4\u7684\u5408\u7406\u8eab\u4f53\u5f62\u72b6\u3002\u6211\u4eec\u65b9\u6cd5\u7684\u66f4\u591a\u6837\u7684\u5b9a\u6027\u7ed3\u679c\u5982\u56fe13\uff08b\uff09\u6240\u793a\u3002<\/p>\n\n\n\n

4.2.3\u5f62\u72b6\u96d5\u523b\u548c\u7eb9\u7406\u751f\u6210\u7684\u5b9a\u6027\u7ed3\u679c<\/h3>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

\u5e7f\u6cdb\u7684\u9a7e\u9a76\u6587\u672c\u3002\u5728\u5e7f\u6cdb\u7684\u5b9e\u9a8c\u4e2d\uff0c\u6211\u4eec\u7684\u65b9\u6cd5\u80fd\u591f\u4ece\u5e7f\u6cdb\u7684\u5916\u89c2\u63cf\u8ff0\u4e2d\u751f\u6210\u5316\u8eab\uff0c\u5305\u62ec\u4e09\u79cd\u7c7b\u578b\uff1a1\uff09\u540d\u4eba\uff0c2\uff09\u865a\u6784\u4eba\u7269\u548c3\uff09\u63cf\u8ff0\u4eba\u7684\u4e00\u822c\u8bcd\u8bed\uff0c\u5982\u56fe17\u6240\u793a\u3002\u5982\u56fe17\uff08a\uff09\u6240\u793a\uff0c\u7ed9\u5b9a\u540d\u4eba\u59d3\u540d\u4f5c\u4e3a\u5916\u89c2\u63cf\u8ff0\uff0c\u751f\u6210\u4e86\u540d\u4eba\u6700\u5177\u6807\u5fd7\u6027\u7684\u670d\u88c5\u3002\u7531\u4e8e\u6211\u4eec\u7684\u8bed\u4e49\u611f\u77e5\u63d0\u793a\u589e\u5f3a\u8bbe\u8ba1\uff0c\u4eba\u8138\u4e5f\u80fd\u6b63\u786e\u751f\u6210\u3002\u5bf9\u4e8e\u56fe17\uff08b\uff09\u6240\u793a\u7684\u865a\u6784\u89d2\u8272\u751f\u6210\uff0c\u53ef\u4ee5\u6b63\u786e\u751f\u6210\u5927\u591a\u6570\u6587\u672c\u63cf\u8ff0\u7684\u5316\u8eab\u3002\u6709\u8da3\u7684\u662f\uff0c\u5bf9\u4e8e\u5177\u6709\u590d\u6742\u51e0\u4f55\u5f62\u72b6\u7684\u914d\u4ef6\u7684\u89d2\u8272\uff08\u4f8b\u5982\u201c\u8759\u8760\u4fa0\u201d\u7684\u5934\u76d4\u3001\u201c\u827e\u5c14\u838e\u201d\u7684\u670d\u88c5\uff09\uff0c\u4f18\u5316\u8fc7\u7a0b\u6709\u4ece\u6a21\u677f\u4eba\u4f53\u4e2d\u201c\u751f\u957f\u201d\u51fa\u65b0\u7ed3\u6784\u7684\u8d8b\u52bf\u3002\u81f3\u4e8e\u4e00\u822c\u63cf\u8ff0\uff0c\u6211\u4eec\u7684\u65b9\u6cd5\u53ef\u4ee5\u5904\u7406\u975e\u5e38\u5e7f\u6cdb\u7684\u8303\u56f4\uff0c\u5305\u62ec\u5e38\u89c1\u7684\u5de5\u4f5c\u540d\u79f0\uff08\u4f8b\u5982\u201c\u6559\u6388\u201d\u3001\u201c\u533b\u751f\u201d\uff09\u3001\u63cf\u8ff0\u67d0\u4e2a\u5e74\u9f84\u6bb5\u7684\u4eba\u7684\u8bcd\u8bed\uff08\u4f8b\u5982\u201c\u9752\u5c11\u5e74\u201d\u3001\u201c\u8001\u5e74\u516c\u6c11\u201d\uff09\u548c\u5176\u4ed6\u5e7b\u60f3\u804c\u4e1a\uff08\u5982\u201c\u5973\u5deb\u201d\u3001\u201c\u5deb\u5e08\u201d\uff09\u3002\u53ef\u4ee5\u89c2\u5bdf\u5230\uff0c\u9664\u4e86\u5316\u8eab\u672c\u8eab\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u751f\u6210\u5b83\u4eec\u5404\u81ea\u7684\u6807\u5fd7\u6027\u5bf9\u8c61\u3002\u4f8b\u5982\uff0c\u201c\u56ed\u4e01\u201d\u7528\u624b\u6293\u82b1\u548c\u8349\u3002<\/p>\n\n\n\n

\u5c3d\u7ba1\u4e0a\u9762\u5b9e\u9a8c\u548c\u6f14\u793a\u4e86\u5927\u91cf\u7684\u751f\u6210\u7ed3\u679c\uff0c\u4f46\u5728\u751f\u6210\u5bbd\u677e\u670d\u88c5\u548c\u914d\u9970\u65f6\u4ecd\u5b58\u5728\u5931\u8d25\u6848\u4f8b\u3002\u4f8b\u5982\uff0c\u5982\u56fe17\u6240\u793a\uff0c\u201c\u827e\u5c14\u838e\u201d\u7684\u670d\u88c5\u548c\u201c\u5947\u5f02\u535a\u58eb\u201d\u7684\u6597\u7bf7\u5e76\u6ca1\u6709\u751f\u6210\u3002\u5938\u5f20\u7684\u5934\u53d1\u548c\u80e1\u987b\uff08\u5982\u88f9\u7740\u9762\u5305\u7684\u963f\u7518\uff09\u7684\u51e0\u4f55\u5f62\u72b6\u4e5f\u5f88\u96be\u6b63\u786e\u751f\u6210\u3002\u8fd9\u662f\u7531\u4f18\u5316\u8fc7\u7a0b\u4e2d\u7684\u91cd\u5efa\u635f\u5931\u5f15\u8d77\u7684\u3002\u4e0d\u9f13\u52b1\u201c\u751f\u957f\u201d\uff0c\u5141\u8bb8\u5bf9\u51e0\u4f55\u7ed3\u6784\u8fdb\u884c\u975e\u5e38\u6709\u9650\u7684\u66f4\u6539\u3002<\/p>\n\n\n\n

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

Zero-Shot Controlling Ability\uff1a\u5982\u56fe18\u6240\u793a\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u8bed\u4e49\u611f\u77e5\u63d0\u793a\u589e\u5f3a\u6765\u63a7\u5236\u5316\u8eab\u4e0a\u751f\u6210\u7684\u4eba\u8138\uff0c\u4f8b\u5982\uff0c\u6bd4\u5c14\u00b7\u76d6\u8328\u7a7f\u7740\u94a2\u94c1\u4fa0\u5957\u88c5\u3002\u6b64\u5916\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u7684\u6587\u672c\u6307\u5bfc\u6765\u63a7\u5236\u5316\u8eab\u7684\u670d\u88c5\uff0c\u4f8b\u5982\u201c\u7a7f\u7740\u767d\u886c\u886b\u7684\u53f2\u8482\u592b\u00b7\u4e54\u5e03\u65af\u201d\u3002<\/p>\n\n\n\n

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

Concept Mixing\uff1a\u5982\u56fe14\u6240\u793a\uff0c\u6211\u4eec\u5c55\u793a\u4e86\u5c06\u5947\u5e7b\u5143\u7d20\u4e0e\u540d\u4eba\u6df7\u5408\u7684\u793a\u4f8b\u3002\u5728\u4fdd\u6301\u53ef\u8bc6\u522b\u8eab\u4efd\u7684\u540c\u65f6\uff0c\u5947\u5e7b\u5143\u7d20\u4e0eavatar\u81ea\u7136\u878d\u5408\u3002<\/p>\n\n\n\n

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

Geometry Quality\uff1a\u4f4e\u7eb9\u7406\u6e32\u67d3\u76d1\u7763\u7684\u5173\u952e\u8bbe\u8ba1\u4e3b\u8981\u6709\u52a9\u4e8e\u51e0\u4f55\u751f\u6210\u3002\u6211\u4eec\u4e3b\u8981\u5c06AvatarCLIP\u4e0e\u57fa\u4e8eNeRF\u7684\u6539\u7f16\u7684Dream Field\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u56fe19\u6240\u793a\uff0c\u6211\u4eec\u7684\u65b9\u6cd5\u5728\u51e0\u4f55\u8d28\u91cf\u65b9\u9762\u59cb\u7ec8\u4f18\u4e8eDream Fields\u3002\u53ef\u4ee5\u751f\u6210\u8be6\u7ec6\u7684\u808c\u8089\u5f62\u72b6\u3001\u76d4\u7532\u66f2\u7ebf\u548c\u5e03\u6599\u8936\u76b1\u3002<\/p>\n\n\n\n

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

\u9664\u4e86\u751f\u6210\u8d28\u91cf\uff0c\u6211\u4eec\u8fd8\u7814\u7a76\u4e86\u6211\u4eec\u7b97\u6cd5\u7684\u9c81\u68d2\u6027\u4e0ebaseline Text2Mesh\u76f8\u6bd4\u3002\u5bf9\u4e8e\u6bcf\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u4e94\u4e2a\u968f\u673a\u79cd\u5b50\uff0c\u5bf9\u540c\u4e00\u63d0\u793a\u8fdb\u884c\u4e94\u6b21\u72ec\u7acb\u8fd0\u884c\u3002\u5982\u56fe20\u6240\u793a\uff0c\u6211\u4eec\u7684\u65b9\u6cd5\u80fd\u591f\u4ee5\u9ad8\u8d28\u91cf\u548c\u4e0e\u8f93\u5165\u6587\u672c\u4e00\u81f4\u7684\u65b9\u5f0f\u8f93\u51fa\u7ed3\u679c\u3002Text2Mesh\u5728\u5927\u591a\u6570\u8fd0\u884c\u4e2d\u5931\u8d25\uff0c\u8fd9\u8868\u660e\u7f51\u683c\u7684\u8868\u793a\u5bf9\u4e8e\u4f18\u5316\u662f\u4e0d\u7a33\u5b9a\u7684\uff0c\u5c24\u5176\u662f\u5728\u76d1\u7763\u8584\u5f31\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n\n\n\n

4.3 motion\u751f\u6210<\/h2>\n\n\n\n

4.3.1\u6d88\u878d\u5b9e\u9a8c<\/h3>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

\u4e3a\u4e86\u8bc4\u4f30\u6211\u4eec\u5728\u57fa\u4e8e\u53c2\u8003\u7684\u52a8\u753b\u6a21\u5757\u4e2d\u7684\u8bbe\u8ba1\u9009\u62e9\u7684\u6709\u6548\u6027\uff08\u5373\u63d0\u51fa\u7684\u4e09\u4e2a\u7ea6\u675f\u9879\uff0c\u8fd0\u52a8VAE\u4f5c\u4e3a\u8fd0\u52a8\u5148\u9a8c\u7684\u4f7f\u7528\uff09\uff0c\u6211\u4eec\u5c06\u6211\u4eec\u7684\u65b9\u6cd5\u4e0e\u4e24\u4e2a\u57fa\u7ebf\u65b9\u6cd5\u8fdb\u884c\u4e86\u6bd4\u8f83\uff0c\u5982\u56fe21\u6240\u793a\u3002<\/p>\n\n\n\n

\u5bf9\u4e8e\u201c\u5237\u7259\u201d\uff0c\uff08i\uff09\u751f\u6210\u65e0\u5e8f\u548c\u4e0d\u76f8\u5173\u7684\u59ff\u52bf\u5e8f\u5217\u3002\uff08ii\uff09\u4e5f\u672a\u80fd\u751f\u6210\u5408\u7406\u7684\u8fd0\u52a8\uff0c\u8fd9\u662f\u7531\u4e8e\u5176\u76f2\u76ee\u5730\u5173\u6ce8\u4e8e\u91cd\u5efa\u65e0\u5e8f\u7684\u5019\u9009\u59ff\u52bf\u6240\u5bfc\u81f4\u7684\u3002\u901a\u8fc7\u5f15\u5165\u91cd\u65b0\u52a0\u6743\u673a\u5236\uff0c\u6211\u4eec\u7684\u65b9\u6cd5\u4e0d\u4ec5\u5173\u6ce8\u91cd\u5efa\uff0c\u8fd8\u8003\u8651\u4e86\u751f\u6210\u7684\u8fd0\u52a8\u7684\u5408\u7406\u6027\u3002<\/p>\n\n\n\n

\u5bf9\u4e8e\u201c\u8e22\u8db3\u7403\u201d\uff0c\u5f53\u817f\u8e22\u51fa\u65f6\uff0c\uff08i\uff09\uff08ii\uff09\u4e2d\u7684\u52a8\u4f5c\u5e8f\u5217\u6ca1\u6709\u5267\u70c8\u53d8\u5316\u3002Ldelta\u5728\u63a7\u5236\u8fd0\u52a8\u5f3a\u5ea6\u65b9\u9762\u8d77\u7740\u91cd\u8981\u4f5c\u7528\u3002\u81f3\u4e8e\u201c\u4e3e\u8d77\u53cc\u81c2\u201d\uff0c\u5b83\u5e94\u8be5\u751f\u6210\u4e00\u4e2a\u4ece\u4e2d\u7acb\u59ff\u52bf\u5230\u4e3e\u8d77\u624b\u81c2\u7684\u59ff\u52bf\u7684\u8fd0\u52a8\u5e8f\u5217\u3002\u7136\u800c\uff0c\uff08i\uff09\u751f\u6210\u4e0e\u9884\u671f\u7ed3\u679c\u76f8\u53cd\u7684\u8fd0\u52a8\u5e8f\u5217\u3002\uff08ii\uff09\u5f15\u5165\u82e5\u5e72\u4e0d\u76f8\u5173\u7684\u884c\u52a8\u3002\u5728Lclipm\uff0c\u6211\u4eec\u7684\u65b9\u6cd5\u80fd\u591f\u4ee5\u6b63\u786e\u7684\u987a\u5e8f\u548c\u66f4\u597d\u7684\u63cf\u8ff0\u4e00\u81f4\u6027\u751f\u6210\u8fd0\u52a8\u3002<\/p>\n\n\n\n

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

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4.3.2\u4e0ebaseline\u5bf9\u6bd4<\/h3>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

\u5c06\u4e09\u79cdbaseline\u65b9\u6cd5\u4e0e\u6211\u4eec\u7684\u65b9\u6cd5\u8fdb\u884c\u6bd4\u8f83\u3002baseline(I)\u76f4\u63a5\u5bf9SMPL\u53c2\u6570\u03b8\u8fdb\u884c\u4f18\u5316\u3002\u57fa\u7ebf(II)\u76f4\u63a5\u5728VPoser\u7684\u6f5c\u5728\u7a7a\u95f4\u4e0a\u8fdb\u884c\u4f18\u5316\u3002\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u5f88\u96be\u4ea7\u751f\u5408\u7406\u7684\u59ff\u52bf\u3002Baseline(III)\u5728VPoster\u4e2d\u4f7f\u7528\u4e86\u591a\u901a\u9053Real NVP\uff0c\u5728\u6b63\u592a\u5206\u5e03\u548c\u6f5c\u5728\u7a7a\u95f4\u5206\u5e03\u4e2d\u5f97\u5230\u53cc\u5411\u6620\u5c04\uff0c\u5b83\u53ef\u4ee5\u751f\u6210\u76f8\u5bf9\u5408\u7406\u7684\u59ff\u52bf\uff0c\u4f46\u4ecd\u7136\u660e\u663e\u6bd4\u6211\u4eec\u7684\u65b9\u6cd5\u5dee\u3002<\/p>\n\n\n\n

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5. \u603b\u7ed3<\/h1>\n\n\n\n

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