{"id":38256,"date":"2020-03-26T00:00:51","date_gmt":"2020-03-25T16:00:51","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=38256"},"modified":"2021-12-28T02:13:48","modified_gmt":"2021-12-27T18:13:48","slug":"%e7%94%a8%e6%9b%b4%e5%b0%91%e7%9a%84%e8%b3%87%e8%a8%8a%e7%94%a2%e7%94%9f%e6%9b%b4%e5%a5%bd%e7%9a%84%e5%bd%b1%e5%83%8f%e2%94%80%e2%94%80deepfovea","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=38256","title":{"rendered":"\u7528\u66f4\u5c11\u7684\u8cc7\u8a0a\u7522\u751f\u66f4\u597d\u7684\u5f71\u50cf\u2500\u2500DeepFovea"},"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\/2020\/03\/DeepFovea-0.png\" alt=\"\u7528\u66f4\u5c11\u7684\u8cc7\u8a0a\u7522\u751f\u66f4\u597d\u7684\u5f71\u50cf\u2500\u2500DeepFovea\" width=\"500\" height=\"250\" \/><\/div>\n<\/div>\n<div class=\"entry clr\">\n<div class=\"pf-content\">\n<p><strong>\u7de8\u8b6f\uff0f\u8cf4\u4f73\u6600<\/strong><\/p>\n<p><span id=\"more-83677\"><\/span><strong>\u770b\u5230\u4f60\u60f3\u770b\u5230\u7684<\/strong><\/p>\n<p>\u7576\u6211\u5011\u5728\u770b\u5916\u754c\u4e8b\u7269\u6642\uff0c\u7531\u65bc\u4eba\u985e\u8996\u7db2\u819c\u4e2d\u592e\u7684\u4e2d\u592e\u7aa9\uff08fovea\uff09\u4e0a\u6709\u8457\u70ba\u6578\u6700\u591a\u7684\uff08\u7d04\u516d\u3001\u4e03\u767e\u842c\u500b\uff09\u8996\u9310\u7d30\u80de\uff0c\u800c\u5f8c\u611f\u5149\u7d30\u80de\u7684\u5bc6\u5ea6\u9010\u6f38\u5411\u5916\u905e\u6e1b\uff0c\u56e0\u6b64\u53ea\u6709\u300c\u6ce8\u8996\u9ede\u300d\uff08\u4e5f\u5c31\u662f\u6210\u50cf\u5728\u4e2d\u592e\u7aa9\u4e0a\u7684\u90e8\u5206\u8996\u91ce\uff09\u5468\u906d\u7684\u666f\u7269\u6703\u662f\u6e05\u6670\u3001\u9ad8\u89e3\u6790\u5ea6\u7684\uff0c\u800c\u8d8a\u9760\u8fd1\u908a\u7de3\u7684\u8996\u91ce\u5247\u6a21\u7cca\u4e0d\u6e05\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u8b80\u8005\u4e4b\u6240\u4ee5\u53ef\u4ee5\u6e05\u695a\u95b1\u8b80\u9019\u884c\u6587\u5b57\uff0c\u5c31\u662f\u56e0\u70ba\u6ce8\u8996\u9ede\u5c08\u6ce8\u65bc\u6b64\uff0c\u800c\u5728\u5e7e\u884c\u4e4b\u5916\u7684\u6587\u5b57\u5247\u7121\u6cd5\u88ab\u770b\u6e05\uff1b\u4e0d\u904e\uff0c\u56e0\u70ba\u6211\u5011\u7684\u5927\u8166\u6703\u81ea\u52d5\u586b\u88dc\u908a\u7de3\u8996\u91ce\u6b20\u7f3a\u7684\u8a0a\u606f\uff0c\u56e0\u6b64\u5728\u751f\u6d3b\u4e2d\u5e7e\u4e4e\u4e0d\u6703\u5bdf\u89ba\u5230\u9019\u6a23\u7684\u5dee\u7570\u3002\u7136\u800c\u9019\u500b\u73fe\u8c61\u9664\u4e86\u751f\u7406\u69cb\u9020\u4e0a\u7684\u9650\u5236\u5916\uff0c\u9084\u6709\u53e6\u4e00\u9805\u512a\u52e2\uff1a\u8b93\u5927\u8166\u6bcf\u6b21\u53ea\u9700\u5c08\u6ce8\u5728\u6ce8\u8996\u9ede\u7684\u7d30\u7bc0\uff0c\u66f4\u6709\u6548\u7387\u5730\u8655\u7406\u7531\u5468\u906d\u74b0\u5883\u4e0d\u65b7\u6e67\u5165\u7684\u8996\u89ba\u8cc7\u8a0a\u3002<\/p>\n<p><strong>\u7bc0\u7701\u591a\u4e00\u9ede\uff0c\u986f\u793a\u771f\u4e00\u9ede<\/strong><\/p>\n<p>\u4e5f\u56e0\u70ba\u9019\u500b\u539f\u56e0\uff0c2014\u5e74\u300c\u6ce8\u8996\u9ede\u6e32\u67d3\u6280\u8853\u300d\uff08foveated rendering\uff0c\u6216\u7a31\u300c\u6ce8\u8996\u9ede\u5f69\u73fe\u6280\u8853\u300d\uff09\u9996\u6b21\u88ab\u63d0\u51fa\uff1b2016\u5e74\uff0c\u4fbf\u5728\u7f8e\u570b\u6d88\u8cbb\u96fb\u5b50\u5c55\uff08Consumer Electronics Show\uff0cCES\uff09\u4e2d\uff0c\u6b63\u5f0f\u61c9\u7528\u65bc\u865b\u64ec\u5be6\u5883\uff08Virtual Reality\uff0cVR\uff09\u7684\u982d\u6234\u5f0f\u986f\u793a\u5668\u4e0a\u3002<\/p>\n<p>\u7531\u65bcVR\u4ef0\u8cf4\u96fb\u8166\u7e6a\u88fd\u9ad4\u9a57\u5834\u666f\uff0c\u4f7f\u7528\u6ce8\u8996\u9ede\u6e32\u67d3\u6280\u8853\u751f\u6210\uff0c\u4e0d\u50c5\u53ef\u4ee5\u5927\u91cf\u964d\u4f4e\u96fb\u8166\u8a08\u7b97\u80fd\u529b\u7684\u8981\u6c42\uff0c\u8b93\u865b\u64ec\u5be6\u5883\u8a2d\u5099\u8d8a\u4f86\u8d8a\u8f15\u4fbf\uff0c\u9084\u53ef\u4ee5\u63d0\u5347\u4f7f\u7528\u9ad4\u9a57\uff0c\u8b93\u756b\u9762\u66f4\u8cbc\u8fd1\u4eba\u773c\u771f\u5be6\u6240\u898b\uff0c\u540c\u6642\u6e1b\u5c11\u75b2\u5026\u3001\u6688\u7729\u7b49\u4e0d\u9069\u611f\u3002<\/p>\n<p>Facebook\u7684\u7814\u7a76\u5718\u968a\u5247\u57282019\u5e74\u5e95\uff0c\u91dd\u5c0d\u6ce8\u8996\u9ede\u6e32\u67d3\u6280\u8853\u63d0\u51fa\u4e00\u9805\u65b0\u7684\u8b8a\u9769\u3002\u7d50\u5408\u8fd1\u671f\u5feb\u901f\u767c\u5c55\u7684\u751f\u6210\u5c0d\u6297\u7db2\u8def\uff08GAN\uff09\uff0c\u958b\u767c\u51fa\u7a31\u4f5cDeepFovea\u7684\u65b0\u6a21\u578b\u3002\u7814\u7a76\u54e1\u5148\u4f7f\u7528\u6ce8\u8996\u9ede\u6e32\u67d3\u6280\u8853\uff0c\u4ee5\u6975\u5c11\u7684\u8cc7\u8a0a\uff08\u5927\u7d0410%\u7684\u50cf\u7d20\uff09\u751f\u6210\u5f71\u50cf\u5168\u666f\uff0c\u63a5\u8457\u7528DeepFovea\u586b\u88dc\u3001\u91cd\u5efa\u5176\u4e2d\u7f3a\u5931\u7684\u7d30\u7bc0\u3002\u4e0d\u50c5\u80fd\u8b93\u751f\u6210\u7684\u5834\u666f\u66f4\u903c\u771f\uff0c\u4e5f\u8b93\u6574\u9ad4\u5716\u7247\u58d3\u7e2e\u66f4\u6709\u6548\u7387\u3001\u6e1b\u5c11\u5716\u7247\u50b3\u905e\u5ef6\u9072\u3002<\/p>\n<div id=\"attachment_83678\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-83678\" src=\"https:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2020\/03\/DeepFovea-1.png\" alt=\"\" width=\"1384\" height=\"303\" \/><\/p>\n<p class=\"wp-caption-text\">\u5716\u4e00\u3001DeepFovea\u751f\u6210\u7684\u5716\u7247\uff0c\u5148\u7528\u7d0410%\u7684\u50cf\u7d20\u4ee5\u6ce8\u8996\u9ede\u6e32\u67d3\u6280\u8853\u7522\u751f\u5716\u7247\uff08\u5de6\uff09\uff0c\u7528GAN\u91cd\u5efa\u5716\u7247\u4e2d\u7f3a\u5931\u7684\u7d30\u7bc0\u3002\uff08\u4f86\u6e90\uff1aKaplanyan et al., 2019.\uff09<\/p>\n<\/div>\n<p><strong>\u6e05\u6670\u548c\u6a21\u7cca\u90fd\u8981\u6070\u5230\u597d\u8655<\/strong><\/p>\n<p>\u6ce8\u8996\u9ede\u6e32\u67d3\u6280\u8853\u642d\u914d\u773c\u7403\u8ffd\u8e64\u7cfb\u7d71\uff0c\u662f\u7576\u524dVR\u767c\u5c55\u7684\u8da8\u52e2\u3002\u900f\u904e\u773c\u7403\u8ffd\u8e64\uff0c\u6211\u5011\u53ef\u4ee5\u77e5\u9053\u4f7f\u7528\u8005\u6b63\u770b\u5411\u986f\u793a\u5668\u4e2d\u7684\u54ea\u500b\u4f4d\u7f6e\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u5206\u51fa\u6ce8\u8996\u9ede\u5340\u57df\u4ee5\u53ca\u5468\u570d\u5340\u57df\u3002\u70ba\u4e86\u914d\u5408\u611f\u5149\u7d30\u80de\u5728\u8996\u7db2\u819c\u4e0a\u7684\u5206\u5e03\u8207\u5927\u8166\u8655\u7406\u8996\u89ba\u8cc7\u8a0a\u7684\u7279\u6027\uff0c\u6ce8\u8996\u9ede\u5340\u57df\u7684\u666f\u7269\u5fc5\u9808\u9054\u5230\u9ad8\u6e05\u3001\u9ad8\u89e3\u6790\u5ea6\uff0c\u800c\u5728\u5468\u570d\u5340\u57df\u5247\u8f49\u800c\u8ffd\u6c42\u7a69\u5b9a\u3001\u4e0d\u9583\u720d\u7684\u5f71\u50cf\u3002<\/p>\n<p>Facebook\u7814\u7a76\u5718\u968a\u5229\u7528\u4e00\u7cfb\u5217\u7684\u640d\u5931\u51fd\u6578\u4f86\u9054\u5230\u4e0d\u540c\u7684\u76ee\u7684\u8207\u5716\u50cf\u8981\u6c42\uff0c\u4f8b\u5982\uff1a\u7a7a\u9593\u611f\u77e5\u640d\u5931\uff08perceptual spatial loss\uff09\u5c0d\u91cd\u5efa\u55ae\u5e40\u5716\u50cf\u6709\u6240\u5e6b\u52a9\uff1b\u5c0d\u6297\u640d\u5931\uff08adversarial loss\uff09\u660e\u986f\u6539\u5584\u6642\u9593\u7a69\u5b9a\u6027\uff0c\u4e5f\u5c31\u662f\u6e1b\u5c11\u5927\u90e8\u5206\u7684\u9583\u720d\u6548\u679c\uff1b\u5149\u6d41\u640d\u5931\uff08optical flow loss\uff09\u5247\u66f4\u9032\u4e00\u6b65\u964d\u4f4e\u96dc\u8272\u8a0a\u3002<\/p>\n<p>\u4e0b\u5716\u662f\u96fb\u73a9\u904a\u6232\u300c\u4fe0\u76dc\u7375\u8eca\u624b\u300d\uff08<em>Grand Theft Auto<\/em>\uff09\u4e2d\u4e00\u500b\u8f03\u6fc0\u70c8\u7684\u904a\u6232\u756b\u9762\uff0c\u4f7f\u7528\u8005\u7684\u773c\u7403\u6ce8\u8996\u756b\u9762\u4e2d\u592e\u3002\u5169\u7a2e\u5716\u50cf\u751f\u6210\u6280\u8853\u2500\u2500\u591a\u89e3\u6790\u5ea6\uff08Multiresolution\uff09\u4ee5\u53caDeepFovea\u2500\u2500\u90fd\u8abf\u81f316\u500d\u58d3\u7e2e\uff0c\u8207\u6a19\u6e96H.265\u70ba\u57fa\u6e96\u505a\u6bd4\u8f03\uff0c\u53ef\u4ee5\u770b\u51faDeepFovea\u4e0d\u50c5\u53ef\u4ee5\u5728\u4e00\u6a23\u7684\u58d3\u7e2e\u7387\u4e0b\u91cd\u5efa\u66f4\u591a\u7d30\u7bc0\uff0c\u540c\u6642\u9084\u6e1b\u5c11\u4e86\u9583\u720d\u548c\u98c4\u79fb\u3002<\/p>\n<div id=\"attachment_83679\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-83679\" src=\"https:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2020\/03\/DeepFovea-2.png\" alt=\"\" width=\"1136\" height=\"437\" \/><\/p>\n<p class=\"wp-caption-text\">\u5716\u4e8c\u3001\u4f7f\u7528\u4e09\u7a2e\u6280\u8853\u751f\u6210\u7684\u904a\u6232\u756b\u9762\uff0c\u5305\u62ec\u591a\u89e3\u6790\u5ea6\uff08Multiresolution\uff09\u3001DeepFovea\u4ee5\u53ca\u6a19\u6e96H.265\u3002\uff08\u4f86\u6e90\uff1aKaplanyan et al., 2019.\uff09<\/p>\n<\/div>\n<p><strong>\u66f4\u8f15\u5de7\u7684\u865b\u64ec\u6642\u4ee3<\/strong><\/p>\n<p>Facebook\u7814\u7a76\u5718\u968a\u63d0\u51fa\u7684\u65b0\u865b\u64ec\u5716\u50cf\u751f\u6210\u6280\u8853\uff0c\u53ef\u4ee5\u5f88\u7a69\u5b9a\u4e26\u6709\u6548\u7387\u5730\u5f9e\u975e\u5e38\u5c11\u91cf\u7684\u8f38\u5165\u6578\u64da\u91cd\u5efa\u5e7e\u4e4e\u7121\u640d\u7684\u5168\u5e40\u904a\u6232\u756b\u9762\uff0c\u5927\u5e45\u964d\u4f4e\u6e32\u67d3\u5716\u50cf\u6240\u9700\u7684\u8a08\u7b97\u80fd\u529b\uff08\u7d0414\u500d\uff09\u3002<\/p>\n<p>\u5148\u524d\u63d0\u904e\uff0c\u9020\u6210\u4f7f\u7528\u8005VR\u9ad4\u9a57\u4e0d\u826f\u7684\u5176\u4e2d\u4e00\u9805\u53ef\u80fd\u539f\u56e0\u662f\u6688\u7729\uff0c\u6216\u8a31\u56e0\u70ba\u96fb\u8166\u751f\u6210\u7684\u756b\u9762\u5168\u666f\u904e\u65bc\u6e05\u6670\uff0c\u5c0e\u81f4\u5927\u8166\u8655\u7406\u8d85\u904e\u8ca0\u8377\uff1b\u53e6\u4e00\u7a2e\u53ef\u80fd\uff0c\u5247\u662f\u756b\u9762\u5ef6\u9072\u6240\u81f4\u3002\u8a2d\u60f3\u73fe\u5728\u4e00\u4f4d\u904a\u6232\u73a9\u5bb6\u8981\u8fc5\u901f\u8f49\u982d\u653b\u64ca\u6575\u4eba\uff0c\u4f46\u7531\u65bc\u756b\u9762\u8cc7\u8a0a\u91cf\u904e\u5927\uff0c\u96fb\u8166\u7121\u6cd5\u5373\u6642\u986f\u793a\uff0c\u5728\u534a\u79d2\u4e4b\u5f8c\u624d\u51fa\u73fe\u65b0\u7684\u5c0d\u61c9\u756b\u9762\u3002\u5982\u679c\u73a9\u5bb6\u6301\u7e8c\u5730\u8f49\u982d\u8b8a\u63db\u8996\u89d2\uff0c\u5247\u52d5\u4f5c\u548c\u756b\u9762\u5c31\u6703\u4e00\u76f4\u4e0d\u5354\u8abf\uff0c\u9032\u800c\u5c0e\u81f4\u73a9\u5bb6\u611f\u5230\u6688\u7729\u3002\u9019\u500b\u554f\u984c\u51f8\u986f\u4e86VR\u300c\u8f15\u88dd\u4e0a\u9663\u300d\u7684\u5fc5\u8981\u6027\uff0c\u6545\u800cFacebook\u7684\u7814\u7a76\u6210\u679c\u76f8\u7576\u91cd\u8981\u3002<\/p>\n<p>VR\u982d\u6234\u88dd\u7f6e\u5f9e\u6709\u7dda\u5230\u7121\u7dda\uff0c\u518d\u5230\u8ffd\u6c42\u8212\u9069\u7684\u4f7f\u7528\u9ad4\u9a57\uff0c\u96a8\u8457\u4eba\u5de5\u667a\u6167\u4e0d\u65b7\u7684\u767c\u5c55\uff0c\u5bb6\u5bb6\u6236\u6236\u90fd\u6709VR\u8a2d\u5099\u7684\u65e5\u5b50\u6216\u8a31\u4e5f\u6307\u65e5\u53ef\u5f85\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599<\/strong><\/p>\n<ol>\n<li>A. S. Kaplanyan, A. Sochenov, T. Leimk\u00fchler, M. Okunev, T. Goodall, and G. Rufo, \u201cDeepFovea: neural reconstruction for foveated rendering and video compression using learned statistics of natural videos,\u201d\u00a0<em>ACM Transactions on Graphics (TOG),\u00a0<\/em>vol. 38, no. 6, pp. 1-13, 2019.<\/li>\n<li>A. Patney<em>\u00a0et al.<\/em>, \u201cTowards foveated rendering for gaze-tracked virtual reality,\u201d\u00a0<em>ACM Transactions on Graphics (TOG),\u00a0<\/em>vol. 35, no. 6, p. 179, 2016.<\/li>\n<\/ol>\n<p>(\u672c\u6587\u7531\u6559\u80b2\u90e8\u88dc\u52a9\u300cAI\u5831\u5831\u2500AI\u79d1\u666e\u63a8\u5ee3\u8a08\u756b\u300d\u57f7\u884c\u5718\u968a\u7de8\u8b6f)<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Facebook\u7684\u7814\u7a76\u5718\u968a\u5728\u6ce8\u8996\u9ede\u6e32\u67d3\u6280\u8853\u7684\u57fa\u790e\u4e0a\uff0c\u958b\u767c\u51fa\u65b0\u7684GAN\u6a21\u578b\u2500\u2500DeepFovea\uff0c\u80fd\u4ee5\u6975\u5c11\u7684\u8cc7\u8a0a\uff08\u7d04\u539f\u571610%\u7684\u50cf\u7d20\uff09\u91cd\u5efa\u7f3a\u5931\u7684\u5f71\u50cf\u7d30\u7bc0\u3002\u6709\u671b\u7528\u65bcVR\uff0c\u63d0\u5347\u4f7f\u7528\u8005\u9ad4\u9a57\u3002<\/p>\n","protected":false},"author":21,"featured_media":38257,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3772,3293],"tags":[5479,5246,5628,5629,5249],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/12\/DeepFovea-0.png","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/38256"}],"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=38256"}],"version-history":[{"count":1,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/38256\/revisions"}],"predecessor-version":[{"id":38258,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/38256\/revisions\/38258"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/38257"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=38256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=38256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=38256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}