{"id":39013,"date":"2018-12-24T00:00:20","date_gmt":"2018-12-23T16:00:20","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=39013"},"modified":"2022-01-04T17:13:45","modified_gmt":"2022-01-04T09:13:45","slug":"%e7%9c%bc%e8%a6%8b%e4%b8%8d%e7%82%ba%e6%86%91%ef%bc%9a%e5%81%87%e6%96%b0%e8%81%9e%e6%94%bb%e9%98%b2%e6%88%b0","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=39013","title":{"rendered":"\u773c\u898b\u4e0d\u70ba\u6191\uff1a\u5047\u65b0\u805e\u653b\u9632\u6230"},"content":{"rendered":"<div class=\"single-post-media clr\">\n<div class=\"post-thumbnail\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2018\/12\/deepfake.png\" alt=\"\u773c\u898b\u4e0d\u70ba\u6191\uff1a\u5047\u65b0\u805e\u653b\u9632\u6230\" width=\"500\" height=\"312\" \/><\/div>\n<\/div>\n<div class=\"entry clr\">\n<div 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allowfullscreen><\/iframe><\/div>\n<\/div>\n<p>\u300c\u8eab\u8655\u5728\u9019\u6a23\u7684\u4e00\u500b\u6642\u4ee3\uff0c\u6211\u5011\u7684\u6575\u4eba\u53ef\u4ee5\u8b93\u4efb\u4f55\u4eba\u8aaa\u51fa\u4e00\u4e9b\u4ed6\u5f9e\u6c92\u8b1b\u904e\u7684\u8a71\u3002\u300d\u93e1\u982d\u524d\uff0c\u7f8e\u570b\u524d\u7e3d\u7d71\u6b50\u5df4\u99ac\u8a9e\u91cd\u5fc3\u9577\u5730\u8aaa\u9053\uff1a\u300c\u55ef\u2026\u2026\u5c31\u50cf\u662f\u300e\u5ddd\u666e\u7e3d\u7d71\u662f\u500b\u4e0d\u6298\u4e0d\u6263\u7684\u7b28\u86cb\u300f\u3002\u300d\u9019\u6bb5\u4eca\u5e74\uff082018\uff09\u56db\u6708\u88ab\u4e0a\u50b3\u5230YouTube\u4e0a\u7684\u5f71\u7247\uff0c\u6700\u7d42\u900f\u6f0f\u4ee4\u4eba\u8a1d\u7570\u7684\u771f\u76f8\uff1a\u5f71\u7247\u4e2d\u8aaa\u51fa\u9019\u5e2d\u8a71\u7684\uff0c\u4e26\u975e\u6b50\u5df4\u99ac\u672c\u4eba\uff0c\u800c\u662fAI\u7522\u751f\u3001\u6829\u6829\u5982\u751f\u7684\u5047\u5f71\u50cf\u3002<\/p>\n<p>\u9019\u7a2eAI\u6a21\u578b\u6709\u500b\u76f8\u7576\u76f4\u767d\u7684\u540d\u5b57\u2014\u6df1\u5ea6\u9020\u5047\uff08Deepfake\uff09\uff0c\u6307\u7684\u662f\u90a3\u4e9b\u4ee5\u507d\u9020\u70ba\u76ee\u7684\uff0c\u5229\u7528\u6df1\u5ea6\u5b78\u7fd2\u5b8c\u6210\u7684\u5f71\u50cf\u5408\u6210\u6280\u8853\u3002\u5176\u6838\u5fc3\u6280\u8853\u63a1\u7528\u6700\u8fd1\u9817\u70ba\u76db\u884c\u7684\u5c0d\u6297\u751f\u6210\u7db2\u8def\uff08generative adversarial network\uff0cGAN\uff09\u3002\u5982\u540c\u9019\u90e8\u5f71\u7247\uff0c\u559c\u5287\u6f14\u54e1Jordan 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Lyu\uff0c\u770b\u904eDeepfake\u5f71\u7247\u5f8c\u7684\u611f\u60f3\u3002\u4ed6\u63a5\u8457\u56de\u60f3\u8d77\u5b78\u751f\u6642\u4ee3\u73a9\u904e\u7684\u77aa\u773c\u904a\u6232\uff0c\u5f71\u7247\u88e1\u7684\u4eba\u548c\u7576\u6642\u7684\u5c0d\u624b\u5982\u51fa\u4e00\u8f4d\uff1a\u5b8c\u5168\u4e0d\u7728\u773c\uff0c\u4e00\u7a2e\u7570\u5e38\u4f46\u7d30\u5fae\u7684\u884c\u70ba\u7279\u5fb5\u3002<\/p>\n<p>\u4ed4\u7d30\u56de\u60f3\uff0c\u8a13\u7df4\u9019\u7a2e\u6a21\u578b\u9700\u8981\u76f8\u7576\u591a\u7684\u5f71\u50cf\u8cc7\u6599\uff0c\u4f46\u6709\u591a\u5c11\u81ea\u62cd\u7167\u662f\u5728\u9589\u773c\u6642\u62cd\u651d\uff0c\u53c8\u6070\u597d\u6355\u6349\u5230\u7728\u773c\u7684\u77ac\u9593\u5462\uff1f\u800c\u9019\u6216\u8a31\u5c31\u662fDeepfake\u53ef\u80fd\u7684\u5f31\u9ede\u4e4b\u4e00\uff1a\u56e0\u70ba\u5176\u7121\u6cd5\u6a21\u4eff\u90a3\u4e9b\u8a13\u7df4\u8cc7\u6599\u96c6\u4e2d\u5f9e\u672a\u51fa\u73fe\u904e\u7684\u8868\u60c5\u8207\u52d5\u4f5c\u3002Lyu\u4e5f\u767c\u73fe\uff1a\u4eba\u6240\u8868\u73fe\u7684\u6b63\u5e38\u751f\u7406\u7279\u5fb5\u548c\u60c5\u7dd2\uff0c\u8209\u51e1\u8aaa\u8a71\u7684\u8a9e\u6c23\u3001\u547c\u5438\u7684\u983b\u7387\u7b49\uff0c\u4e5f\u662f\u795e\u7d93\u7db2\u8def\u96e3\u4ee5\u99d5\u99ad\u3001\u6a21\u64ec\u7684\u3002\u9019\u4e9b\u770b\u4f3c\u7121\u95dc\u7dca\u8981\u7684\u7d30\u5fae\u4e4b\u8655\uff0c\u53cd\u800c\u6210\u4e86\u8fa8\u5225Deepfake\u771f\u507d\u7684\u95dc\u9375\u7834\u7dbb\u3002<\/p>\n<p><strong>\u9053\u9ad8\u4e00\u5c3a\uff0c\u9b54\u9ad8\u4e00\u4e08<\/strong><\/p>\n<p>\u4f46\u5c31\u5728Lyu\u5229\u7528\u9019\u9805\u767c\u73fe\uff0c\u958b\u767c\u51fa\u4e00\u5957\u80fd\u5075\u6e2c\u507d\u9020\u5f71\u7247\u7684\u6a21\u578b\uff0c\u4e26\u5c07\u7814\u7a76\u7d50\u679c\u516c\u5e03\u4e0d\u5230\u4e00\u9031\u5f8c\uff0c\u6709\u500b\u533f\u540d\u4fe1\u4ef6\u5c31\u5411\u4ed6\u5011\u5206\u4eab\u4e86\u4e00\u90e8\u5f71\u7247[1]\u3002\u5f71\u7247\u4e2d\uff0cAI \u7522\u751f\u7684\u4eba\u81c9\u7adf\u7136\u80fd\u6b63\u5e38\u5730\u7728\u773c\u3002Lyu\u5766\u627f\uff0c\u53ea\u8981\u91d0\u6e05Deepfake\u7684\u554f\u984c\u9ede\uff0c\u9918\u4e0b\u7684\u5176\u5be6\u53ea\u662f\u6642\u9593\u7684\u554f\u984c\u3002\u6700\u7d42\u53ef\u80fd\u6dea\u70baGAN\u88e1\u982d\u7684\u751f\u6210\u5668\uff08Generator\uff09\u8207\u9451\u5225\u5668\uff08Discriminator\uff09\u9593\u7121\u6b62\u5883\u7684\u8ecd\u5099\u7af6\u8cfd\u3002\u300c\u4f46\u53ea\u8981\u80fd\u63d0\u9ad8\u5f71\u7247\u9020\u5047\u7684\u96e3\u5ea6\u8207\u6280\u8853\u9580\u6abb\uff0c\u90a3\u9ebc\u4e5f\u4e0d\u5931\u70ba\u4e00\u7a2e\u7a81\u7834\u3002\u300d<\/p>\n<p><strong>\u898b\u5fae\u77e5\u8457<\/strong><\/p>\n<p>\u7f8e\u570b\u570b\u9632\u9ad8\u7b49\u7814\u7a76\u8a08\u5283\u7f72\uff08Defense Advanced Research Projects Agency\uff0cDARPA\uff09\u70ba\u4e86\u56e0\u61c9\u5047\u8a0a\u606f\uff0c\u65bc2016\u5e74\u63a8\u52d5\u4e86\u4e00\u9805\u300c\u5a92\u9ad4\u9451\u8b58\u8a08\u756b\u300d\uff08Media Forensics Program\uff0cMediFor\uff09\uff0c\u5e0c\u671b\u958b\u767c\u51fa\u80fd\u8fa8\u5225\u5f71\u50cf\u771f\u507d\u7684AI\uff0c\u4f9b\u60c5\u5831\u4eba\u54e1\u5728\u7b2c\u4e00\u6642\u9593\u5224\u65b7\u60c5\u5831\u662f\u5426\u53ef\u4fe1\u3002<\/p>\n<p>\u7b2c\u4e00\u500b\u5207\u5165\u9ede\uff0c\u662f\u85c9\u7531\u6578\u4f4d\u6307\u7d0b\uff08Digital fingerprint\uff09\u8a55\u4f30\u5f71\u50cf\u662f\u5426\u6e90\u81ea\u65bc\u4e00\u53f0\u771f\u6b63\u7684\u76f8\uff08\u651d\u5f71\uff09\u6a5f\u3002\u6b63\u56e0\u591a\u6578\u96fb\u8166\u7121\u6cd5\u5b8c\u5168\u4eff\u9020\u7d93\u904e\u900f\u93e1\u81ea\u7136\u6210\u50cf\u7684\u5f71\u50cf\uff0c\u53ea\u8981\u5584\u52a0\u8003\u7a76\u76f8\u6a5f\u6a21\u578b\u548c\u5f71\u50cf\u58d3\u7e2e\u65b9\u5f0f\uff0c\u90fd\u6709\u6a5f\u6703\u7be9\u9078\u51fa\u4f86\u3002<\/p>\n<p>\u5176\u6b21\u5247\u662f\u89c0\u5bdf\u756b\u9762\u4e2d\u7684\u7269\u9ad4\u662f\u5426\u5177\u5099\u5408\u7406\u7684\u7269\u7406\u7279\u6027\uff0c\u4f8b\u5982\uff1a\u7279\u5b9a\u5149\u7167\u689d\u4ef6\u4e0b\uff0c\u91d1\u5c6c\u548c\u73bb\u7483\u61c9\u6709\u7684\u53cd\u5149\u6216\u5012\u5f71\uff0c\u4ee5\u81f3\u65bc\u7269\u4ef6\u8a72\u6709\u7684\u7d0b\u7406\u90fd\u5728\u8003\u91cf\u7bc4\u570d\u4e4b\u5167\u3002<\/p>\n<p>\u6700\u5f8c\uff0c\u300c\u8a9e\u7fa9\u300d\u5224\u5b9a\uff0c\u4f8b\u5982\u756b\u9762\u4e2d\u6240\u5448\u73fe\u7684\u6642\u9593\u3001\u5730\u9ede\u3001\u5929\u8272\u3001\u5929\u6c23\uff0c\u751a\u81f3\u662f\u4eba\u6f6e\u3001\u8eca\u6d41\u7b49\u80cc\u666f\u8cc7\u8a0a\uff0c\u662f\u5426\u7b26\u5408\u5df2\u77e5\u7684\u89c0\u5bdf\u8207\u7d00\u9304\uff08\u5982\u5929\u6c23\u89c0\u6e2c\u7d00\u9304\uff09\uff0c\u90fd\u6709\u53ef\u80fd\u6210\u70ba\u91cd\u8981\u7684\u7dda\u7d22\u3002<\/p>\n<p><strong>\u7a00\u758f\u7de8\u78bc<\/strong><\/p>\n<p>\u7121\u7368\u6709\u5076\uff0c Los Alamos\u570b\u5bb6\u5be6\u9a57\u5ba4\u4e5f\u5728\u4e00\u5e74\u5f8c\u63a8\u52d5\u4e86\u9451\u5225\u5047\u8a0a\u606f\u7684\u7814\u7a76\u3002\u8a72\u6a5f\u69cb\u7684\u7db2\u8def\u79d1\u5b78\u5bb6Juston Moore\u8868\u793a\uff1a\u666e\u901a\u7684Deepfake\u6a21\u578b\u9700\u8981\u5927\u91cf\u5716\u5f62\u7684\u8a13\u7df4\u624d\u80fd\u6709\u4e0d\u932f\u7684\u8868\u73fe\uff0c\u9019\u4e5f\u662f\u70ba\u4f55\u6a21\u4eff\u76ee\u6a19\u6e05\u4e00\u8272\u90fd\u662f\u516c\u773e\u4eba\u7269\u7684\u539f\u56e0\u4e4b\u4e00\u3002\u7121\u8ad6\u6a21\u578b\u518d\u600e\u9ebc\u53b2\u5bb3\uff0c\u9084\u662f\u53d7\u9650\u65bc\u8cc7\u6599\u5eab\u7684\u5927\u5c0f\u8207\u5167\u5bb9\u3002\u4e0d\u8db3\u4e4b\u8655\uff0c\u5f80\u5f80\u5f97\u4ef0\u8cf4\u91cd\u8907\u7684\u5716\u5f62\u7d50\u69cb\u4f86\u88dc\u8db3\u3002<\/p>\n<p>\u56e0\u6b64\uff0cMoore\u5206\u5225\u5c0d\u771f\u5047\u5f71\u7247\u505a\u7a00\u758f\u7de8\u78bc\uff08Sparse Coding\uff09\u8655\u7406\uff0c\u9019\u7a2e\u65b9\u5f0f\u80fd\u5920\u5c07\u5f71\u50cf\u4ee5\u5404\u7a2e\u57fa\uff08basis\uff09\u7684\u7d44\u5408\u5411\u91cf\u8868\u793a\uff0c\u4e26\u5404\u81ea\u5efa\u7acb\u8d77\u771f\u5f71\u7247\u8207\u5047\u5f71\u7247\u7684\u300c\u5b57\u5178\u300d[2]\u3002\u82e5\u8981\u5224\u65b7\u4e00\u90e8\u5f71\u7247\u662f\u771f\u662f\u5047\uff0c\u53ea\u8981\u5c07\u5b83\u505a\u540c\u6a23\u7684\u7a00\u758f\u7de8\u78bc\uff0c\u518d\u8207\u300c\u5b57\u5178\u300d\u505a\u6bd4\u5c0d\uff0c\u5c31\u80fd\u63d0\u4f9b\u5f71\u7247\u771f\u5be6\u6027\u7684\u53c3\u8003\u4e86\u3002<\/p>\n<p><strong>\u773c\u898b\u4e0d\u70ba\u6191<\/strong><\/p>\n<p>\u53ef\u80fd\u6709\u4eba\u6703\u611f\u5230\u7591\u60d1\uff0c\u70ba\u4f55\u524d\u8eab\u81f4\u529b\u65bc\u7f8e\u570b\u6838\u6b66\u7814\u7a76\u7684Los Alamos\u5982\u6b64\u91cd\u8996\u5047\u4fe1\u606f\uff1f\u4e8b\u5be6\u4e0a\uff0c\u60c5\u5831\u7684\u771f\u507d\u540c\u6a23\u95dc\u4e4e\u570b\u5bb6\u5b89\u5168\u3002Moore\u8aaa\u9053\uff1a\u82e5\u6709\u4e00\u5f35\u885b\u661f\u5f71\u50cf\u986f\u793a\u9130\u570b\u6b63\u5728\u9032\u884c\u6838\u6b66\u90e8\u7f72\uff0c\u90a3\u9ebc\u6307\u63ee\u5b98\u5728\u6c7a\u5b9a\u662f\u5426\u6309\u4e0b\u98db\u5f48\u767c\u5c04\u9215\u524d\uff0c\u66f4\u61c9\u8a72\u78ba\u8a8d\u60c5\u8cc7\u7684\u771f\u507d\u3002DARPA\u8a08\u756b\u7d93\u7406Matt Turek\u4e5f\u9810\u671f\uff0c\u5728\u4e0d\u4e45\u7684\u672a\u4f86\uff0c\u5047\u6d88\u606f\u4e0d\u518d\u5c40\u9650\u65bc\u55ae\u4e00\u7684\u7167\u7247\u6216\u5f71\u7247\uff0c\u82e5\u6709\u5fc3\u4eba\u58eb\u6b32\u64cd\u4f5c\u7279\u5b9a\u8a71\u984c\uff0c\u53ea\u8981\u5de7\u5999\u5730\u5b89\u6392\u4e00\u9023\u4e32\u7684\u6d88\u606f\u548c\u767c\u4f48\u6642\u5e8f\uff0c\u90fd\u5f88\u5bb9\u6613\u6191\u7a7a\u5275\u9020\u51fa\u4ee4\u7fa4\u773e\u4fe1\u670d\u7684\u5047\u8b49\u64da\uff0c\u800c\u9019\u5df2\u4e0d\u518d\u662f\u9670\u8b00\u8ad6\u8005\u7684\u5929\u99ac\u884c\u7a7a\u800c\u5df2\u3002<\/p>\n<p>\u4e0d\u4e45\uff0c\u6211\u5011\u90fd\u53ef\u80fd\u88ab\u8feb\u5c0d\u6240\u6709\u7684\u96fb\u5b50\u7d00\u9304\u611f\u5230\u5b58\u7591\u3002\u7576\u7136\uff0c\u5c31\u7fa4\u773e\u5fc3\u7406\u7684\u89d2\u5ea6\u800c\u8a00\uff0c\u4eba\u5011\u672c\u5bb9\u6613\u56e0\u500b\u4eba\u50be\u5411\uff0c\u9078\u64c7\u7247\u9762\u76f8\u4fe1\u81ea\u5df1\u60f3\u76f8\u4fe1\u7684\u4e8b\u7269\u3002\u4f46\u9019\u4e9b\u7814\u7a76\u8a08\u756b\uff0c\u9084\u662f\u5e0c\u671b\u8a2d\u7acb\u67d0\u4e9b\u6a19\u6e96\uff0c\u6216\u4ee5\u81ea\u52d5\u5316\u6a21\u7d44\u66ff\u5a92\u9ad4\u628a\u95dc\u3002\u7562\u7adf\uff0c\u7576\u5047\u6d88\u606f\u6c3e\u6feb\u5230\u8db3\u4ee5\u5f71\u97ff\u653f\u6cbb\u6216\u6cd5\u5f8b\u6c7a\u7b56\u6642\uff0c\u6050\u6015\u90fd\u70ba\u6642\u5df2\u665a\u4e86\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u7de8\u8b6f\u4f86\u6e90<\/strong><\/p>\n<p>S. Scoles,\u00a0<a href=\"https:\/\/www.wired.com\/story\/these-new-tricks-can-outsmart-deepfake-videosfor-now\/\">\u201cThese New Tricks Can Outsmart Deepfake Videos \u2013 For Now,\u201d<\/a>\u00a0<em>WIRED<\/em>, 2018.<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599<\/strong><\/p>\n<ol>\n<li>Y. Li, M.C. Chang and S. Lyu. \u201c<a href=\"https:\/\/arxiv.org\/abs\/1806.02877\">In Ictu Oculi: Exposing AI Generated Fake Face Videos by Detecting Eye Blinking.\u201d<\/a>\u00a0<em>arXiv.org<\/em>, 2018.<\/li>\n<li>H. Lappalainen,\u00a0<a href=\"http:\/\/users.ics.aalto.fi\/harri\/dityo\/node3.html\">\u201cA computationally efficient algorithm for finding sparse codes.\u201d<\/a>\u00a0<em>,\u00a0<\/em>Master Thesis, 1996.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5047\u65b0\u805e\u3001\u5047\u6d88\u606f\u6c3e\u6feb\u7684\u6642\u4ee3\u4f86\u8972\uff0c\u6709\u5fc3\u4eba\u58eb\u675c\u64b0\u7684\u4e0d\u518d\u53ea\u662f\u5145\u6eff\u9670\u8b00\u8ad6\u7684\u6587\u5b57\u8207\u60c5\u7bc0\uff0c\u6216\u662f\u90a3\u4e9b\u5bb9\u6613\u88ab\u770b\u7834\u7684\u7c97\u7cd9\u4fee\u5716\uff0c\u73fe\u5728\u5df2\u80fd\u501fAI\u4e4b\u529b\u507d\u9020\u51fa\u4ee5\u5047\u4e82\u771f\u7684\u5f71\u7247\u4e86\u3002\u9019\u95dc\u4e4e\u7684\u4e0d\u518d\u53ea\u662f\u5927\u773e\u7684\u5a92\u9ad4\u8b58\u8b80\u80fd\u529b\uff0c\u800c\u662f\u6211\u5011\u4eba\u985e\u662f\u5426\u6709\u80fd\u529b\u770b\u7a7f\u507d\u9020\u5f71\u7247\u80cc\u5f8c\u7684\u771f\u76f8\u5462\uff1f<\/p>\n","protected":false},"author":21,"featured_media":39014,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3772,3293],"tags":[4933,5479,6136,4161,6137,6138],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2022\/01\/deepfake-1.png","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/39013"}],"collection":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=39013"}],"version-history":[{"count":1,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/39013\/revisions"}],"predecessor-version":[{"id":39015,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/39013\/revisions\/39015"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/39014"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=39013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=39013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=39013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}