{"id":57636,"date":"2025-04-28T11:00:00","date_gmt":"2025-04-28T03:00:00","guid":{"rendered":"https:\/\/zunzheng.com\/news\/?p=57636"},"modified":"2025-12-03T11:17:56","modified_gmt":"2025-12-03T03:17:56","slug":"hdr-%e8%87%b3-sdr-%e7%9a%84%e8%87%aa%e5%8a%a8%e8%bd%ac%e6%8d%a2","status":"publish","type":"post","link":"https:\/\/zunzheng.com\/news\/archives\/57636","title":{"rendered":"HDR \u81f3 SDR \u7684\u81ea\u52a8\u8f6c\u6362"},"content":{"rendered":"\n<p><strong>\u81ea\u52a8\u5316\u542c\u8d77\u6765\u4f3c\u4e4e\u662f\u4e00\u4e2a\u81ea\u7136\u800c\u7136\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4f46\u6709\u6548\u8f6c\u6362\u9700\u8981\u7406\u89e3\u56fe\u50cf\u5185\u5bb9\u662f\u4ec0\u4e48\uff0c\u7531\u6b64\u624d\u80fd\u5728\u51b3\u5b9a\u56fe\u50cf\u5e94\u8be5\u5448\u73b0\u4f55\u79cd\u6548\u679c\u65f6\u786e\u5b9a\u4f18\u5148\u5904\u7406\u4e8b\u9879\u3002<\/strong><\/p>\n\n\n\n<p>\u5c06 HDR \u7d20\u6750\u8f6c\u6362\u4e3a SDR\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u5e76\u4e0d\u662f\u4ec0\u4e48\u65b0\u9c9c\u4e8b\u3002\u51e0\u5341\u5e74\u6765\uff0c\u8c03\u8272\u5e08\u3001\u89c6\u89c9\u5de5\u7a0b\u5e08\uff0c\u4ee5\u53ca\u81ea\u52a8\u62d0\u70b9\u51fd\u6570\u7b49\u529f\u80fd\u4e00\u76f4\u5728\u505a\u7c7b\u4f3c\u7684\u4e8b\u60c5\u3002\u8f6c\u6362\u7684\u8981\u6c42\u662f\u5c06\u6444\u5f71\u673a\u8f93\u51fa\u7684\u6570\u636e\u6240\u4ee3\u8868\u7684\u73b0\u5b9e\u4e16\u754c\u6240\u5177\u5907\u7684\u5de8\u5927\u5bf9\u6bd4\u5ea6\uff0c\u8f6c\u6362\u4e3a\u5e7f\u64ad\u7535\u89c6\u7cfb\u7edf\u76f8\u5bf9\u6709\u9650\u7684\u5bf9\u6bd4\u5ea6\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u65b0\u5947\u7684\u662f\uff0c\u8981\u4ece\u540c\u4e00\u4e2a\u6e90\u7d20\u6750\u8f93\u51fa\u4e24\u79cd\u52a8\u6001\u8303\u56f4\u4e0d\u540c\u7684\u56fe\u50cf\u3002\u5728\u8fd9\u4e9b\u56fe\u50cf\u4e4b\u95f4\u8fdb\u884c\u8f6c\u6362\u7684\u8fc7\u7a0b\u88ab\u79f0\u4e3a\u8272\u8c03\u6620\u5c04\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u8272\u8c03\u6620\u5c04\u4f7f\u7528\u56fa\u5b9a\u8f6c\u6362\u5b8c\u6210\u3002\u5728\u5176\u4ed6\u60c5\u51b5\u4e0b\uff0c\u6709\u4e9b\u8bbe\u5907\u4f1a\u8fd0\u884c\u5206\u6790\u56fe\u50cf\u7684\u7b97\u6cd5\uff0c\u7136\u540e\u8fdb\u884c\u76f8\u5e94\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u5728\u5b9e\u8df5\u4e2d\uff0c\u5927\u591a\u6570 HDR \u56fe\u50cf\u90fd\u5177\u5907\u5e7f\u8272\u57df\uff0c\u56e0\u6b64\u5927\u591a\u6570 HDR \u5230 SDR \u7684\u8f6c\u6362\u90fd\u6d89\u53ca\u4ece\u5e7f\u8272\u57df\uff08\u4f8b\u5982 ITU-R Recommendation BT.2020 \u6240\u63cf\u8ff0\u7684\u8272\u57df\uff09\u8f6c\u6362\u81f3\u76f8\u5bf9\u8f83\u5c0f\u7684\u8272\u57df\uff08\u4f8b\u5982 BT.709 \u8272\u57df\uff09\u3002<\/p>\n\n\n\n<p class=\"has-vivid-cyan-blue-to-vivid-purple-gradient-background has-background\"><strong>\u6311\u6218<\/strong><\/p>\n\n\n\n<p>\u65e9\u671f\u7684 HDR \u5e7f\u64ad\u7535\u89c6\u6709\u65f6\u4f1a\u8feb\u4f7f\u5236\u4f5c\u56e2\u961f\u590d\u523b\u89c6\u89c9\u5de5\u7a0b\u94fe\u7684\u67d0\u4e9b\u90e8\u5206\uff0c\u4e00\u90e8\u5206\u7528\u4e8e HDR\uff0c\u53e6\u4e00\u90e8\u5206\u7528\u4e8e SDR\u3002\u5982\u679c\u53ea\u662f\u51fa\u4e8e\u6210\u672c\u539f\u56e0\uff0c\u90a3\u4ece\u957f\u671f\u6765\u770b\uff0c\u8fd9\u53ef\u80fd\u4e0d\u662f\u4e00\u4e2a\u5b9e\u7528\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n<p>HDR \u5230 SDR \u7684\u81ea\u52a8\u8f6c\u6362\u9700\u8981\u6839\u636e\u56fe\u50cf\u5185\u5bb9\uff0c\u4ee5\u53ca\u8fd9\u4e9b\u5185\u5bb9\u5bf9\u89c2\u4f17\u7684\u91cd\u8981\u6027\uff0c\u5bf9\u56fe\u50cf\u533a\u57df\u8fdb\u884c\u4f18\u5148\u6392\u5e8f\u3002\u8fd9\u9700\u8981\u4e86\u89e3\u56fe\u50cf\u4ee3\u8868\u4ec0\u4e48\uff0c\u4ee5\u53ca\u56fe\u50cf\u5e94\u8be5\u5982\u4f55\u5408\u7406\u5448\u73b0\uff0c\u8fd9\u662f\u53ea\u6709\u4eba\u7c7b \u2014\u2014 \u4ee5\u53ca\u8d8a\u6765\u8d8a\u5e38\u89c1\u7684 AI \u2014\u2014 \u624d\u80fd\u505a\u5230\u7684\u4e8b\u60c5\u3002\u4f8b\u5982\uff0c\u9700\u8981\u8003\u8651\u5230\u6444\u5f71\u6307\u5bfc\uff08DP\uff09\u4f7f\u7528\u7684\u6d4b\u5149\u8868\u7684\u884c\u4e3a\uff0c\u8fd9\u5305\u62ec\u6a21\u62df\u4eba\u7c7b\u559c\u6b22\u770b\u5230\u7684\u56fe\u50cf\u7684\u6570\u5b66\u8fd0\u7b97\u3002\u9002\u5f53\u7684\u6444\u5f71\u66dd\u5149\u4f1a\u53d7\u5230\u6d4b\u5149\u8868\u7684\u6821\u51c6\u5e38\u6570\u7684\u5f71\u54cd\u3002\u6bcf\u5bb6\u6d4b\u5149\u8868\u5236\u9020\u5546\u90fd\u6709\u4e0d\u540c\u7684\u5e38\u6570\uff0c\u5e38\u6570\u7684\u786e\u5b9a\u65b9\u5f0f\u662f\uff1a\u901a\u8fc7\u8bb8\u591a\u4eba\u67e5\u770b\u5927\u91cf\u7167\u7247\uff0c\u518d\u9488\u5bf9\u54ea\u4e9b\u662f\u66dd\u5149\u6b63\u786e\u7684\u7167\u7247\u7ed9\u51fa\u610f\u89c1\u3002<\/p>\n\n\n\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u56fe\u50cf\u98ce\u683c\u662f\u5426\u5408\u9002\u662f\u4e00\u4ef6\u5f88\u4e3b\u89c2\u7684\u4e8b\u60c5\u3002\u4f8b\u5982\uff0c\u5728\u9ad8\u5c71\u6ed1\u96ea\u6bd4\u8d5b\u4e2d\uff0c\u89c2\u4f17\u5e0c\u671b\u770b\u5230\u6ed1\u96ea\u8005\u4ee5\u53ca\u523a\u773c\u7684\u9633\u5149\u4e0b\u7684\u96ea\u3002\u5728\u66dd\u5149\u56fe\u50cf\u65f6\uff0c\u4f18\u5148\u8003\u8651\u80cc\u666f\u4e2d\u9ed1\u6697\u68ee\u6797\u91cc\u7684\u6697\u90e8\u7ec6\u8282\u662f\u4e0d\u5408\u9002\u7684\u3002\u8981\u77e5\u9053\u5e94\u8be5\u4f18\u5148\u5904\u7406\u4ec0\u4e48\u5c31\u9700\u8981\u4e86\u89e3\u56fe\u50cf\u4e2d\u7684\u5185\u5bb9\u4ee5\u53ca\u5b83\u4e3a\u4ec0\u4e48\u91cd\u8981\u3002<\/p>\n\n\n\n<p class=\"has-vivid-cyan-blue-to-vivid-purple-gradient-background has-background\"><strong>\u67e5\u627e\u8868<\/strong><\/p>\n\n\n\n<p>\u6709\u65f6\uff0cHDR \u5230 SDR \u7684\u81ea\u52a8\u8f6c\u6362\u662f\u7531\u67e5\u627e\u8868\uff08LUT\uff09\u5b8c\u6210\u7684\u3002LUT \u8fd9\u4e00\u6280\u672f\u5728\u73b0\u4ee3\u5f71\u89c6\u5236\u4f5c\u4e2d\u975e\u5e38\u5e38\u89c1\uff0c\u5c24\u5176\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\u662f\uff1a\u6709\u4e00\u53f0\u4e13\u4e3a\u663e\u793a Recommendation BT.709 \u7f16\u7801\u56fe\u50cf\u800c\u6253\u9020\u7684\u76d1\u89c6\u5668\uff0c\u8981\u7528\u5b83\u6765\u663e\u793a\u4f7f\u7528\u4e0d\u540c\u6807\u51c6\u8fdb\u884c\u7f16\u7801\u7684\u56fe\u50cf\uff0c\u5c24\u5176\u662f\u5728\u5355\u673a\u62cd\u6444\u9879\u76ee\u4e2d\u4f7f\u7528\u5382\u5546\u4e13\u6709\u6807\u51c6\u6765\u7f16\u7801\u7684\u56fe\u50cf\u3002LUT \u4e5f\u8bb8\u8fd8\u80fd\u5b8c\u6210\u521b\u610f\u8c03\u8272\u51b3\u7b56\u6216\u5176\u4ed6\u6280\u672f\u6807\u51c6\u8f6c\u6362\uff0c\u4f8b\u5982\u4ece\u7535\u8111\u6240\u4f7f\u7528\u7684 sRGB \u6807\u51c6\u8f6c\u6362\u81f3 BT.709 \u7b49\u6807\u51c6\u3002<\/p>\n\n\n\n<p>LUT \u7684\u6982\u5ff5\u5f88\u7b80\u5355\uff0c\u7b80\u5355\u6765\u8bf4\u5b83\u5c31\u662f\u4e00\u7ec4\u6570\u5b57\u3002\u4ece\u6982\u5ff5\u4e0a\u6765\u8bf4\uff0c\u5bf9\u4e8e\u8f93\u5165\u56fe\u50cf\u91cc\u7684\u6bcf\u4e00\u4e2a\u53ef\u80fd\u7684\u50cf\u7d20\u503c\uff0cLUT \u90fd\u5305\u542b\u4f5c\u7528\u4e8e\u8f93\u51fa\u56fe\u50cf\u7684\u4e00\u4e2a\u5bf9\u5e94\u50cf\u7d20\u503c\u3002\u539f\u5219\u4e0a\u8bf4\uff0c\u4e00\u4e2a\uff083D\uff09LUT \u53ef\u4ee5\u5c06\u4efb\u4f55\u8272\u5f69\u8f6c\u6362\u81f3\u5176\u4ed6\u8272\u5f69\uff0c\u56e0\u6b64\uff0cLUT \u65e2\u53ef\u4ee5\u5904\u7406\u8272\u5f69\uff0c\u4e5f\u53ef\u4ee5\u5904\u7406\u4eae\u5ea6\u3002<\/p>\n\n\n\n<p>\u5728\u5b9e\u8df5\u4e2d\uff0c10bit \u6570\u636e\u9700\u8981\u4e00\u4e2a\u5305\u542b\u8d85\u5341\u4ebf\u4e2a\u6570\u503c\u7684\u5e9e\u5927\u5217\u8868\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u50cf\u7d20\u670930bit\uff0c\u800c2<sup>30<\/sup>\u5c31\u662f1,073,741,824\u3002\u56e0\u6b64\uff0c\u5728\u5b58\u50a8\u6570\u91cf\u8f83\u5c11\u7684\u63a7\u5236\u70b9\uff0c\u5e76\u5728\u5b83\u4eec\u4e4b\u95f4\u8fdb\u884c\u63d2\u503c\u65f6\u4f1a\u4f7f\u7528\u5230\u6570\u5b66\u6280\u5de7\u3002\u65e0\u8bba\u54ea\u79cd\u65b9\u5f0f\uff0c\u7531\u4e8e LUT \u6709\u4e09\u4e2a\u8f93\u5165\u503c\uff08\u901a\u5e38\u662fR\u3001G\u3001B\uff0c\u6216Y\u3001CR\u3001CB\u6570\u636e\uff09\uff0c\u56e0\u6b64 LUT \u53ef\u4ee5\u89c6\u4e3a\u4e00\u79cd\u7acb\u65b9\u4f53\uff0c\u5e76\u4e14\u901a\u5e38\u4e5f\u4ee5\u6b64\u79f0\u547c\uff1b\u5b58\u50a8 LUT \u7684\u4e00\u79cd\u5e38\u7528\u683c\u5f0f\u7684\u6587\u4ef6\u540e\u7f00\u540d\u662f.cube\u30022D LUT \u53ea\u80fd\u4fee\u6539\u4eae\u5ea6\u548c\u5bf9\u6bd4\u5ea6\uff0c\u56e0\u6b64\uff0c\u5b83\u65e0\u6cd5\u5904\u7406\u8272\u5f69\u548c\u4eae\u5ea6\u76f8\u5173\u7684\u8f6c\u6362\u3002<\/p>\n\n\n\n<p>\u5728\u4e00\u53f0 SDR \u663e\u793a\u8bbe\u5907\u4e0a\u89c2\u770b\u4e00\u4e2a HDR \u56fe\u50cf\u4f1a\u5bfc\u81f4\u770b\u5230\u7684\u5bf9\u6bd4\u5ea6\u8f83\u4f4e\uff0c\u56fe\u50cf\u770b\u8d77\u6765\u8272\u5f69\u6df7\u6d4a\uff0c\u8fd9\u662f\u56e0\u4e3a HDR \u56fe\u50cf\u6240\u9700\u8981\u7684\u663e\u793a\u8bbe\u5907\u9700\u8981\u62e5\u6709\u6bd4 SDR \u663e\u793a\u8bbe\u5907\u66f4\u5927\u7684\u5bf9\u6bd4\u5ea6\u8303\u56f4\u3002\u56e0\u6b64\uff0cLUT \u7684\u4efb\u52a1\u5b9e\u9645\u4e0a\u5c31\u662f\u8981\u7ed9\u56fe\u50cf\u6570\u636e\u589e\u52a0\u5bf9\u6bd4\u5ea6\uff0c\u8fd9\u6837\u56fe\u50cf\u5728 SDR \u663e\u793a\u8bbe\u5907\u4e0a\u624d\u80fd\u6b63\u786e\u663e\u793a\u3002\u9700\u8981\u589e\u52a0\u7684\u5bf9\u6bd4\u5ea6\u8f83\u5927\uff0c\u800c\u8fd9\u81ea\u7136\u4f1a\u6709\u98ce\u9669\u5bfc\u81f4\u56fe\u50cf\u7684\u4eae\u90e8\u53d1\u751f\u88c1\u5207\uff0c\u5448\u73b0\u4e3a\u4e00\u7247\u767d\uff0c\u56fe\u50cf\u7684\u6697\u90e8\u4e5f\u4f1a\u53d8\u6210\u5168\u9ed1\uff0c\u800c\u5269\u4f59\u7684\u56fe\u50cf\u533a\u57df\u7684\u4eae\u5ea6\u5219\u6709\u53ef\u80fd\u770b\u8d77\u6765\u4e0d\u592a\u6b63\u786e\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u8bbe\u8ba1\u4ece HDR \u5230 SDR \u8f6c\u6362\u7684 LUT \u5c31\u6210\u4e86\u4e00\u9879\u8270\u96be\u7684\u4efb\u52a1\uff0c\u8fd9\u901a\u5e38\u662f\u7531\u6bcf\u5bb6\u5382\u5546\u6216\u6bcf\u5bb6\u7535\u89c6\u53f0\u5b8c\u6210\u7684\u3002\u8fd9\u4e9b LUT \u4e5f\u8bb8\u4f1a\u88ab\u89c6\u4f5c\u662f\u4e13\u6709\u7684\u3002\u8fd9\u4e00\u6280\u672f\u7684\u6210\u529f\u975e\u5e38\u4f9d\u8d56\u6839\u636e\u5bf9 LUT 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