{"id":409,"date":"2026-04-18T02:34:04","date_gmt":"2026-04-17T18:34:04","guid":{"rendered":"http:\/\/chenglixue.top\/?p=409"},"modified":"2026-04-23T21:14:28","modified_gmt":"2026-04-23T13:14:28","slug":"%e8%a7%a3%e6%9e%90%e4%b8%bb%e6%b5%81tonemap%e7%9a%84%e4%b8%8d%e5%90%8c%e4%bb%a5%e5%8f%8a%e5%ae%9a%e5%88%b6%e6%80%9d%e8%b7%af","status":"publish","type":"post","link":"http:\/\/chenglixue.top\/?p=409","title":{"rendered":"\u89e3\u6790\u4e3b\u6d41Tonemap\u7684\u4e0d\u540c\u4ee5\u53ca\u5b9a\u5236\u601d\u8def"},"content":{"rendered":"<p><div class=\"has-toc have-toc\"><\/div><\/p>\n<h1>\u524d\u8a00<\/h1>\n<p>\u7f51\u4e0a\u6709\u8bb8\u591a\u5173\u4e8e\u4e3b\u6d41tonemap\u7684\u5b9e\u73b0\u4ee3\u7801\uff0c\u4f46\u90fd\u6ca1\u6709\u8bb2\u6e05\u695a\u8fd9\u4e9b\u4e3b\u6d41tone map\u4e4b\u95f4\u7a76\u7adf\u6709\u4f55\u533a\u522b\u3001\u6bcf\u4e2atonemap\u7684\u7279\u70b9\uff0c\u4ee5\u53ca\u4e3a\u4ec0\u4e48\u9700\u8981\u5b9a\u5236\uff0c\u8fd9\u6837\u5f53\u7f8e\u672f\u9700\u8981\u67d0\u79cd\u753b\u9762\u611f\u65f6\uff0cTA\u624d\u77e5\u9053\u5982\u4f55\u53bb\u5b9a\u5236<\/p>\n<p>\u672c\u6587\u5c06\u4e00\u4e00\u89e3\u6790\u8fd9\u51e0\u4e2a\u5b58\u5728\u7684\u95ee\u9898<\/p>\n<h1>\u4ec0\u4e48\u662ftonemap\uff1f\u4e3a\u4ec0\u4e48\u9700\u8981tonemap?<\/h1>\n<p>\u5173\u4e8e\u8fd9\u4e24\u70b9\u7f51\u4e0a\u5df2\u7ecf\u8bf4\u7684\u5f88\u660e\u767d\u4e86\uff0ctonemap\u5c06HDR\u7a7a\u95f4\u7684\u989c\u8272\uff0c\u6620\u5c04\u5230LDR\u7a7a\u95f4\uff0c\u4ee5\u9002\u914d\u53ea\u80fd\u663e\u793a[0,1]\u7684\u663e\u793a\u5668\uff0c\u9632\u6b62\u989c\u8272\u88ab\u622a\u65ad\u5bfc\u81f4\u7684\u66dd\u5149<\/p>\n<p>\u6bcf\u79cdtonemap\u90fd\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1a\u63a7\u5236\u6697\u90e8\u7684toe\u3001\u63a7\u5236\u6574\u4f53\u4eae\u5ea6\u7684Linear\u3001\u538b\u5236\u9ad8\u5149\u7684Shoulder\uff0c\u4e14\u51e0\u4e4e\u6240\u6709\u7684tonemap\u90fd\u6709\u7740\u5982\u4e0b\u56fe\u6240\u793a\u7684s\u5f62\u66f2\u7ebf<br \/>\n<img decoding=\"async\"   class=\"lazyload\" data-src=\"https:\/\/pic1.imgdb.cn\/item\/69e26325087b33b46ad5137b.png\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\" \/><\/p >\n<noscript><img decoding=\"async\" src=\"https:\/\/pic1.imgdb.cn\/item\/69e26325087b33b46ad5137b.png\" alt=\"\" \/><\/p><\/noscript>\n<p>\u5982\u679c\u4f60\u770b\u8fc7ue\u7684ACES Tonemap\uff0c\u4e00\u5b9a\u4e0d\u4f1a\u5bf9\u8fd9\u4e09\u4e2a\u53c2\u6570\u611f\u5230\u964c\u751f\uff0c\u5b83\u4eec\u4ee3\u8868\u7684\u542b\u4e49\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>toe\uff1a\u63a7\u5236\u6697\u90e8\u5bf9\u6bd4\u5ea6\n<p>\u7528\u4e8e\u5904\u7406HDR\u4e2d\u7684\u6697\u90e8\uff0c<strong>\u5c06\u6697\u90e8\u4fe1\u606f\u5f80\u4e0b\u538b\uff0c\u8ba9\u753b\u9762\u66f4\u52a0\u5e72\u51c0<\/strong><\/p>\n<p>\u4f18\u70b9\uff1a\u5f53toe\u8d8a\u5e73\u7f13\uff0c\u8bf4\u660e\u6697\u90e8\u989c\u8272\u90fd\u5f80\u6781\u6697\u533a\u57df\u9760\uff0c\u5bf9\u6bd4\u5ea6\u8d8a\u5c0f\uff0c\u753b\u9762\u7684\u7eaf\u9ed1\u8272\u8d8a\u5e72\u51c0\uff0c\u4e5f\u5c31\u662f\u5e38\u8bf4\u7684\u201c\u7535\u5f71\u611f\u201d<\/p>\n<p>\u7f3a\u70b9\uff1a\u4f1a\u727a\u7272\u6697\u90e8\u7ec6\u8282<\/p>\n<\/li>\n<li>\n<p>Linear\uff1a\u63a7\u5236\u6574\u4f53\u660e\u6697\u7684\u5bf9\u6bd4\u5ea6<\/p>\n<p>Linear\u4f1a\u6781\u5927\u5e45\u5ea6\u7684\u5f71\u54cd\u66f2\u7ebf\u8d70\u52bf\uff0c\u56e0\u4e3alinear\u8d8a\u9661\uff0c\u66f2\u7ebf\u5927\u90e8\u5206\u533a\u57df\u90fd\u5206\u914d\u7ed9\u4e86linear\uff0c\u6574\u4f53\u7684\u4e2d\u95f4\u8272\u88ab\u6620\u5c04\u540e\u7684\u989c\u8272\u5dee\u8ddd\u8d8a\u5927\uff0c\u5bfc\u81f4\u6574\u4f53\u5bf9\u6bd4\u5ea6\u8d8a\u9ad8<\/p>\n<p>\u8d8a\u9661\u7684linear\u4f1a\u5e26\u6765\u8d8a\u5f3a\u7684\u660e\u6697\u5bf9\u6bd4\u5ea6\uff0c\u6240\u4ee5\u50cfACES\u8fd9\u79cd\u7535\u5f71\u611f\u7684tonemap\uff0c\u5b83\u7684linear\u5c31\u8f83\u9661<\/p>\n<\/li>\n<li>\n<p>Shoulder\uff1a\u63a7\u5236\u9ad8\u5149\u7ec6\u8282\u3001\u5c42\u6b21\u611f<\/p>\n<p>\u628a\u6781\u9ad8\u7684 HDR \u503c\u5f3a\u884c\u6620\u5c04\u5230 0.8\u223c1.0 \u7684\u533a\u57df\uff0c<strong>\u9632\u6b62\u5927\u90e8\u5206\u7eaf\u767d<\/strong><\/p>\n<\/li>\n<\/ul>\n<h1>\u4e3b\u6d41Tonemap\u4e4b\u95f4\u7684\u4e0d\u540c\u53ca\u7279\u70b9<\/h1>\n<h2>ACES<\/h2>\n<p><img decoding=\"async\"   class=\"lazyload\" data-src=\"https:\/\/pic1.imgdb.cn\/item\/69e23a3f087b33b46ad3c105.png\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\" \/><\/p >\n<noscript><img decoding=\"async\" src=\"https:\/\/pic1.imgdb.cn\/item\/69e23a3f087b33b46ad3c105.png\" alt=\"\" \/><\/p><\/noscript>\n<ul>\n<li>\u7279\u70b9\n<ul>\n<li>linear\u66f2\u7ebf\u8f83\u9661\uff0c\u610f\u5473\u7740\u5927\u90e8\u5206\u4e2d\u95f4\u8272\u90fd\u5728linear\u66f2\u7ebf\uff0c<strong>\u6574\u4f53\u5bf9\u6bd4\u5ea6\u9ad8<\/strong><\/li>\n<li>toe\u3001shoulder\u66f2\u7ebf\u8f83\u7f13\uff0c\u5c24\u5176\u662f\u6700\u9760\u8fd10\u30011\u7684\u90e8\u5206\uff0c\u6697\u90e8\u3001\u4eae\u90e8\u504f\u5411\u7eaf\u9ed1\u3001\u7eaf\u767d<\/li>\n<\/ul>\n<\/li>\n<li>\u7f3a\u70b9\n<ul>\n<li>\u56e0\u4e3alinear\u9661\u5bf9\u6bd4\u5ea6\u9ad8\uff0c\u4f1a\u635f\u5931\u6697\u90e8\u3001\u4eae\u90e8\u7ec6\u8282<\/li>\n<\/ul>\n<\/li>\n<li>\u4f7f\u7528\u573a\u666f\n<ul>\n<li>\u5177\u6709\u7535\u5f71\u611f\u7684\u573a\u666f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Neutral<\/h2>\n<p><img decoding=\"async\"   class=\"lazyload\" data-src=\"https:\/\/pic1.imgdb.cn\/item\/69e237b6087b33b46ad3bff5.png\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\" \/><\/p >\n<noscript><img decoding=\"async\" src=\"https:\/\/pic1.imgdb.cn\/item\/69e237b6087b33b46ad3bff5.png\" alt=\"\" \/><\/p><\/noscript>\n<ul>\n<li>\u7279\u70b9\n<ul>\n<li>linear\uff1a\u5360\u7edd\u5927\u90e8\u5206\uff0c\u4e14\u63a5\u8fd11\uff1a1\u6620\u5c04\u3002<strong>\u6240\u89c1\u5373\u6240\u5f97<\/strong>\uff0c\u7f8e\u672f\u753b\u7684 Albedo \u662f\u4ec0\u4e48\u989c\u8272\uff0c\u5f15\u64ce\u91cc\u5c31\u662f\u4ec0\u4e48\u989c\u8272<\/li>\n<li>toe\uff1a\u53ea\u5360\u4e00\u70b9\u70b9\uff0c\u4e2a\u4eba\u611f\u89c9\u662f\u7528\u4e8e\u5c06\u566a\u70b9\u6620\u5c04\u5230\u7eaf\u9ed1<\/li>\n<li>shoulder\uff1a\u524d\u9762\u9661\u540e\u9762\u7f13\uff0c\u5bf9\u4e8e\u6781\u4eae\u50cf\u7d20\u6620\u5c04\u5230\u7eaf\u767d\uff0c\u8f83\u4eae\u7684\u5bf9\u6bd4\u5ea6\u62c9\u9ad8<\/li>\n<\/ul>\n<\/li>\n<li>\u7f3a\u70b9\n<ul>\n<li>\u753b\u9762\u8f83\u5e73\uff0c\u7f3a\u5c11\u5f3a\u7684\u5149\u5f71\u5bf9\u6bd4\u5ea6<\/p>\n<\/li>\n<li>\n<p><strong>\u6781\u4eae\u533a\u57df\u5bb9\u6613\u51fa\u73b0color band<\/strong><\/p>\n<\/li>\n<\/ul>\n<p>\u7531\u4e8e\u975e\u9ad8\u4eae\u533a\u57df[0,0.8]\u90fd\u662f\u7ebf\u6027\u6620\u5c04\uff0c\u53ea\u52690.2\u7ed9\u9ad8\u5149\uff0c\u80fd\u7528\u7684bit\u662f\u5f88\u5c11\u7684\uff0c\u5c24\u5176\u663e\u793a\u5668\u8fd8\u662f255bit\uff0c\u7ed9\u9ad8\u4eae\u7684\u4e5f\u5c3150+bit<\/p>\n<ul>\n<li>\u5f53\u4e00\u4e2apixel\u4ece\u6697\u5230\u4eae\u5230\u6781\u4eae\u7684\u8fc7\u7a0b\uff0c\u53d8\u5316\u5f88\u4e0d\u81ea\u7136<\/li>\n<\/ul>\n<p>\u5f53pixel\u5728toe\u3001linear\u90fd\u662f\u6bd4\u8f83\u6b63\u5e38\u7684\uff0c\u4f46\u4e00\u65e6\u521a\u521a\u8fdb\u5165shoulder\u533a\u57df\u4e14\u4e0d\u65ad\u53d8\u767d\uff0c\u4f1a\u56e0\u4e3ashoulder\u524d\u9762\u9661\u540e\u9762\u7f13\u7684\u7279\u6027\uff0c\u5bfc\u81f4\u6700\u5f00\u59cb\u989c\u8272\u9971\u548c\u5ea6\u5f88\u9ad8\uff0c\u540e\u9762\u6162\u6162\u53d8\u767d<\/p>\n<\/li>\n<li>\n<p>\u9002\u7528\u573a\u666f<\/p>\n<ul>\n<li>\u6750\u8d28\u7f16\u8f91\u5668\u9884\u89c8\u3001PBR\u9a8c\u8bc1<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>GT Tonemap<\/h2>\n<p><img decoding=\"async\"   class=\"lazyload\" data-src=\"https:\/\/pic1.imgdb.cn\/item\/69e23b22087b33b46ad3c4ec.png\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\" \/><br \/ >\n<noscript><img decoding=\"async\" src=\"https:\/\/pic1.imgdb.cn\/item\/69e23b22087b33b46ad3c4ec.png\" alt=\"\" \/><br \/><\/noscript>\nhttps:\/\/www.desmos.com\/calculator\/6tothm2tko?lang=zh-CN<\/p>\n<ul>\n<li>\u7279\u70b9\n<ul>\n<li>\u5f00\u653e\u5927\u91cf\u53c2\u6570\u7ed9\u7f8e\u672f\uff0c\u4e14\u5c06toe\u3001shoulder\u3001linear\u62c6\u5206\u6210\u591a\u4e2a\u53c2\u6570\uff0c\u5b8c\u5168\u53ef\u63a7\u3002\u6700\u91cd\u8981\u7684\u4e00\u70b9\uff0c<strong>\u53c2\u6570\u51e0\u4e4e\u5b8c\u5168\u89e3\u8026<\/strong>\uff0c\u4e0d\u50cf\u5176\u4ed6tonemap\uff0c\u90e8\u5206\u53c2\u6570\u4e92\u76f8\u7275\u8fde (\u6539\u4e86\u9ad8\u5149\u6697\u90e8\u53d8\u4eae)<\/li>\n<li><strong>\u80fd\u5728\u4fdd\u7559\u6781\u9ad8\u5c40\u90e8\u5bf9\u6bd4\u5ea6\u548c\u8272\u5f69\u9971\u548c\u5ea6\u7684\u540c\u65f6\uff0c\u4f18\u96c5\u5730\u538b\u5e73\u5929\u7a7a\u7684\u8fc7\u66dd<\/strong><\/li>\n<li>\u8c03\u8282Black tightness\u3001b\uff0c\u53ef\u4ee5\u8ba9toe\u80fd\u6bd4ACES\u66f4\u9661\uff0c\u6697\u90e8\u5bf9\u6bd4\u5ea6\u9ad8\uff0c\u4e5f\u53ef\u4ee5\u624b\u52a8\u5c06toe\u8c03\u7684\u66f4\u5e73\u7f13\uff0c\u8ba9\u6697\u90e8\u504f\u7eaf\u9ed1<\/li>\n<li>\u8c03\u8282Contrast\uff0c\u53ef\u4ee5\u63a7\u5236linear\uff0cContrast\u66f4\u5927\u66f2\u7ebf\u66f4\u9661\uff0c\u5bf9\u6bd4\u5ea6\u8d8a\u9ad8\uff1bLinear section start\u3001Linear section length\u53ef\u4ee5\u63a7\u5236linear\u533a\u57df\u5927\u5c0f\uff0c\u8ba9\u9ed1\u767d\u533a\u57df\u5bf9\u6bd4\u5ea6\u66f4\u9ad8<\/li>\n<li>\u8c03\u8282Maximum brightness\uff0c\u53ef\u4ee5\u63a7\u5236\u5cf0\u503c\u4eae\u5ea6\uff0c\u9002\u914dHDR\u663e\u793a\u5668<\/li>\n<\/ul>\n<\/li>\n<li>\u7f3a\u70b9\n<ul>\n<li>\u6ca1\u6709\u5f88\u597d\u7684\u57fa\u7840\uff0c\u53c2\u6570\u4e0d\u597d\u638c\u63a7\uff0c\u5bb9\u6613\u8c03\u5d29<\/li>\n<\/ul>\n<\/li>\n<li>\u5bf9<strong>\u6750\u8d28\u53cd\u5149\u548c\u5c40\u90e8\u5bf9\u6bd4\u5ea6\u8981\u6c42\u6781\u9ad8<\/strong>\u7684\u573a\u666f<\/li>\n<\/ul>\n<h2>Filmic<\/h2>\n<p><img decoding=\"async\"   class=\"lazyload\" data-src=\"https:\/\/pic1.imgdb.cn\/item\/69e26325087b33b46ad5137b.png\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\" \/><\/p >\n<noscript><img decoding=\"async\" src=\"https:\/\/pic1.imgdb.cn\/item\/69e26325087b33b46ad5137b.png\" alt=\"\" \/><\/p><\/noscript>\n<ul>\n<li>\u7279\u70b9\n<ul>\n<li>Filmic toe\u5148\u7f13\u540e\u9661\uff0c\u6781\u6697\u90e8\u5206\u5bf9\u6bd4\u5ea6\u4f4e\uff0c\u66f4\u504f\u7eaf\u9ed1\uff0c\u8f83\u6697\u90e8\u5206\u5bf9\u6bd4\u5ea6\u9ad8<\/li>\n<li>linear\u8f83\u7f13\uff0c\u4e2d\u95f4\u8272\u504f\u7070<\/li>\n<li>shoulder\u5148\u9661\u540e\u7f13\uff0c\u8f83\u4eae\u90e8\u5206\u8fc7\u6e21\u4e1d\u6ed1\uff0c\u9ad8\u4eae\u90e8\u5206\u504f\u767d<\/li>\n<\/ul>\n<\/li>\n<li>\u7f3a\u70b9\n<ul>\n<li>\u753b\u9762\u53ef\u80fd\u4f1a\u53d1\u7070\uff0c\u5bf9\u6bd4\u5ea6\u6b20\u4f73<\/li>\n<\/ul>\n<\/li>\n<li>\u9002\u7528\u573a\u666f\n<ul>\n<li>\u5bf9\u540e\u5904\u7406\u6027\u80fd\u6781\u5176\u654f\u611f\u7684<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u65b9\u6848<\/th>\n<th>Hue Shift<\/th>\n<th>\u6697\u90e8\u5bf9\u6bd4\u5ea6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>ACES<\/td>\n<td>\u5f3a(\u9ad8\u5149\u504f\u767d)<\/td>\n<td>\u6781\u9ad8<\/td>\n<\/tr>\n<tr>\n<td>Neutral<\/td>\n<td>\u65e0\uff08\u504f\u5411\u539f\u8272\uff09<\/td>\n<td>\u7ebf\u6027<\/td>\n<\/tr>\n<tr>\n<td>GT Tonemap<\/td>\n<td>\u53c2\u6570\u53ef\u63a7<\/td>\n<td>\u53c2\u6570\u53ef\u63a7<\/td>\n<\/tr>\n<tr>\n<td>Filmic<\/td>\n<td>\u8f83\u5f31<\/td>\n<td>\u7565\u53d1\u7070<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1>\u4e3a\u4ec0\u4e48\u9700\u8981\u5b9a\u5236<\/h1>\n<p>\u53ef\u4ee5\u770b\u5230\u4e0a\u8ff0tonemap\u591a\u5c11\u90fd\u6709\u4e9b\u7f3a\u70b9\uff0c\u4f46GT\u53c2\u6570\u662f\u5b8c\u5168\u53ef\u63a7\uff0c\u4e14\u89e3\u8026\u7684\uff0c\u8fd8\u6709\u5b9a\u5236\u7684\u5fc5\u8981\u5417\uff1f<\/p>\n<p>\u7b54\u6848\u662f\u6709\u7684\uff0c\u4f46\u4e0d\u662f\u5b9a\u5236\u66f2\u7ebf\u3002\u5927\u81f4\u6709\u4e09\u79cd\u60c5\u51b5\u9700\u8981\u5b9a\u5236\uff1a<\/p>\n<ul>\n<li>\u573a\u666f\u4eae\u5ea6\u7684\u7a81\u53d8\n<ul>\n<li>\u5047\u8bbe\u4ece\u4e00\u4e2a\u660f\u6697\u7684\u5ba4\u5185\u8d70\u5230\u9633\u5149\u707f\u70c2\u7684\u5ba4\u5916\uff0c\u4e00\u5957\u56fa\u5b9a\u7684GT\u53c2\u6570\u662f\u6ca1\u6cd5\u540c\u65f6\u6ee1\u8db3\u8fd9\u79cd\u60c5\u51b5\u7684<\/li>\n<\/ul>\n<p>\u4f1a\u5bfc\u81f4\u660f\u6697\u65f6\u5927\u90e8\u5206\u662f\u6697\u7684\uff0c\u5927\u90e8\u5206\u90fd\u5728toe\u5904\uff0c\u4f7f\u5f97\u90fd\u53d8\u6697\uff1b\u5ba4\u5916\u4eae\u5ea6\u5f88\u9ad8\uff0c\u5bfc\u81f4\u5927\u90e8\u5206\u90fd\u5728shoulder\uff0c\u90fd\u504f\u767d\u3002\u4e5f\u5c31\u662f\u8bf4toe\u3001shoulder\u4f1a\u5f88\u5f71\u54cd\u753b\u9762\u7684\u6574\u4f53\u6027\uff0c\u4f1a\u5f88\u5927\u7a0b\u5ea6\u5730\u4e22\u5931\u753b\u9762\u4fe1\u606f<\/p>\n<p>\u5982\u4f55\u5728\u4e0d\u540c\u4eae\u5ea6\u60c5\u51b5\u4e0b\uff0c\u8ba9\u753b\u9762\u53d8\u5316\u7edf\u4e00\u5462\uff1f\u89c2\u770bGT\u7684\u66f2\u7ebf\uff0c\u4e0d\u96be\u53d1\u73b0\u4e2d\u95f4\u6709\u4e00\u6bb5\u51e0\u4e4e\u76f4\u7684linear\u7ebf\u6bb5\uff0c\u5982\u679cpixel color\u4eae\u5ea6\u90fd\u5728\u8fd9\u4e2a\u533a\u57df\uff0c\u90a3\u4e48\u4e0d\u4f1a\u4e22\u5931pixel\u7684\u4fe1\u606f<\/p>\n<ul>\n<li>\u5982\u4f55\u5b9e\u73b0\u6240\u6709pixel\u90fd\u5728linear\u5462\uff1f\u6ca1\u9519\uff0c\u5c31\u662f<strong>\u81ea\u52a8\u66dd\u5149<\/strong><\/li>\n<\/ul>\n<p>\u5f53\u753b\u9762\u6574\u4f53\u8f83\u6697\/\u4eae\uff0c\u8ba1\u7b97\u753b\u9762\u7684\u66dd\u5149\u5ea6\uff0c\u5c06\u6574\u4f53pixel\u4eae\u5ea6\u4e58\u4e0a\u66dd\u5149\u503c\uff0c\u4f7f\u5f97\u53d8\u4eae\/\u6697\uff0c\u8ba9\u4eae\u5ea6\u503c\u843d\u5728linear\u533a\u57df<\/p>\n<ul>\n<li>\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\u81ea\u52a8\u66dd\u5149\u4e0d\u80fd\u7edf\u8ba1\u6240\u6709pixel\uff0c\u6709\u4e9bpixel\u9700\u8981\u88ab\u5254\u9664\u7684<\/li>\n<\/ul>\n<p><strong>\u5728\u7edf\u8ba1\u9636\u6bb5\u5bf9\u4e8e\u5c11\u6570\u6781\u6697\u3001\u6781\u4eae\u7684pixel\u9700\u8981\u5254\u9664\u6389<\/strong>\uff0c\u7531\u4e8e\u81ea\u52a8\u66dd\u5149\u9700\u8981\u8ba1\u7b97\u6240\u6709pixel\u4eae\u5ea6\u7684\u5e73\u5747\u503c\uff0c\u5c06\u8fd9\u79cd\u6781\u7aefpixel\u7b97\u5165\uff0c\u4f1a\u8ba1\u7b97\u9519\u8bef\u7684\u66dd\u5149\u503c\u3002\u8fd9\u79cdpixel\u4e0d\u8be5\u7ba1\uff0c\u8ba9\u5176\u5c06\u7ed9toe\u3001shoulder\u5904\u7406<\/p>\n<\/li>\n<li>\n<p>\u6781\u7aef\u4eae\u5ea6\u7684\u5f71\u54cd<\/p>\n<ul>\n<li>\u867d\u7136\u81ea\u52a8\u66dd\u5149\u80fd\u63a7\u5236\u753b\u9762\u6574\u4f53\u6027\uff0c\u4f46\u5bf9\u4e8e\u6781\u4eae\u3001\u6781\u6697\u7684pixel\u5904\u7406\u4f9d\u65e7\u4e0d\u597d\uff0c\u867d\u7136toe\u3001shoulder\u53ef\u4ee5\u5904\u7406\u8fd9\u79cdpixel\uff0c\u4f46\u5b83\u4eec\u4f1a\u4e22\u5931\u6697\u90e8\u7ec6\u8282\u3001\u53d1\u767d<\/p>\n<\/li>\n<li>\n<p>\u8981\u89e3\u51b3\u8fd9\u79cd\u7684\u95ee\u9898\uff0c\u9700\u8981\u7528\u5230<strong>Local Tonemapping<\/strong><\/p>\n<\/li>\n<\/ul>\n<p><strong>\u901a\u8fc7Bloom\u7684\u964d\u5347\u91c7\u6837\u6269\u5927\u611f\u53d7\u91ce\uff0c\u518d\u91c7\u6837\u50cf\u7d20\u5f97\u5230\u5e73\u5747\u4eae\u5ea6\u6765\u5fae\u8c03 GT \u66f2\u7ebf\u7684\u53c2\u6570<\/strong><\/p>\n<p>\u6bd4\u5982\uff0c\u5e73\u5747\u4eae\u5ea6\u6781\u4f4e\u7684\u8bdd\uff0c\u964d\u4f4etoe\u7684\u66f2\u7387\u4ece\u800c\u964d\u4f4e\u5bf9\u6bd4\u5ea6\uff1b\u5e73\u5747\u4eae\u5ea6\u6781\u9ad8\u7684\u8bdd\uff0c\u964d\u4f4eshoulder\u66f2\u7387\u4ece\u800c\u6709\u66f4\u591a\u7a7a\u95f4\u6765\u5e73\u6ed1\u767d\u8272<\/p>\n<\/li>\n<li>\n<p>color grade<\/p>\n<ul>\n<li>\u867d\u7136tonemap\u53ef\u4ee5\u6539\u53d8\u4eae\u5ea6\uff0c\u4f46\u4e0d\u80fd\u6539\u53d8\u989c\u8272\u3002\u5f53\u9700\u8981\u5b9a\u5236\u67d0\u79cd\u98ce\u683c\u65f6\uff0c\u5982\u84b8\u6c7d\u670b\u514b\u3001\u6b27\u6d32\u4e2d\u4e16\u7eaa\uff0c\u5c31\u9700\u8981\u989d\u5916\u5b9a\u5236\u753b\u9762\u989c\u8272<\/p>\n<\/li>\n<li>\n<p>\u89e3\u51b3\u65b9\u6848\u662f<strong>Color Grade<\/strong>\uff0c\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<\/li>\n<li>\n<p>\u5148\u5c06linear space\u8f6c\u5230log space<\/p>\n<\/li>\n<li>Color Grade\n<ul>\n<li>\u964d\u4f4e\u9971\u548c\u5ea6<\/li>\n<li><strong>\u8272\u8c03\u5206\u79bb\uff1a<\/strong> \u9488\u5bf9\u6697\u90e8\uff08Toe\uff09\u67d3\u4e0a\u51b7\u8272\uff0c\u9488\u5bf9\u9ad8\u5149\uff08Shoulder\uff09\u67d3\u4e0a\u6696\u8272<\/li>\n<\/ul>\n<\/li>\n<li>\u8f6c\u56delinear space<\/li>\n<li>\n<p>Tonemap<\/p>\n<\/li>\n<li>\n<p>\u4e3a\u4ec0\u4e48\u4e0d\u662fTonemap\u540ecolor grade<\/p>\n<\/li>\n<\/ul>\n<p>Tonemap\u4f1a\u7834\u574f\u6781\u6697\u3001\u6781\u4eae\u7684\u7ec6\u8282\uff0c\u4e14\u5f53\u7531\u4e8e\u4eae\u5ea6\u88ab\u6620\u5c04\u5230[0,1]\uff0c\u5728\u5bf9\u9ad8\u4eaepixel\u53bb\u9971\u548c\uff0c\u4f1a\u5bfc\u81f4\u9519\u8bef\u7684\u6548\u679c<\/p>\n<ul>\n<li>\u4e3a\u4ec0\u4e48\u662flog space\u4e0d\u662flinear space<\/li>\n<\/ul>\n<p>\u56e0\u4e3a\u4eba\u773c\u7684\u611f\u77e5\u66f4\u7b26\u5408log space<\/p>\n<\/li>\n<\/ul>\n<h1>\u5b9a\u5236\u7ba1\u7ebf<\/h1>\n<ul>\n<li>\u7531\u4e8e\u589e\u52a0\u4e86\u81ea\u52a8\u66dd\u5149\u3001local tonemap\u3001color grade\uff0c\u90a3\u4e48\u7ba1\u7ebf\u5c06\u4e0d\u4e00\u6837\u4e86\uff0c\u5927\u81f4\u6d41\u7a0b\u5982\u4e0b\uff1a\n<ul>\n<li>light pass HDR<\/li>\n<li>Auto-Exposure<\/li>\n<li>Linear to Log<\/li>\n<li>Color Grade<\/li>\n<li>Log to Linear<\/li>\n<li>Tonemap<\/li>\n<li>Gamma Correction\/ ODT<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1>Reference<\/h1>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/www.ea.com\/frostbite\/news\/high-dynamic-range-color-grading-and-display-in-frostbite\" target=\"_blank\"  rel=\"nofollow\" >HDR color grading and display in Frostbite<\/a><\/p>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/www.scribd.com\/document\/118444632\/Cinematic-Color\" target=\"_blank\"  rel=\"nofollow\" >Cinematic Color: From Your Monitor To The Big Screen<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u7f51\u4e0a\u6709\u8bb8\u591a\u5173\u4e8e\u4e3b\u6d41tonemap\u7684\u5b9e\u73b0\u4ee3\u7801\uff0c\u4f46\u90fd\u6ca1\u6709\u8bb2\u6e05\u695a\u8fd9\u4e9b\u4e3b\u6d41tone map\u4e4b\u95f4\u7a76\u7adf\u6709\u4f55\u533a\u522b\u3001\u6bcf\u4e2atonemap\u7684\u7279\u70b9 &#8230;<\/p>","protected":false},"author":1,"featured_media":410,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"_links":{"self":[{"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/posts\/409"}],"collection":[{"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/chenglixue.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=409"}],"version-history":[{"count":2,"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/posts\/409\/revisions"}],"predecessor-version":[{"id":425,"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/posts\/409\/revisions\/425"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/chenglixue.top\/index.php?rest_route=\/wp\/v2\/media\/410"}],"wp:attachment":[{"href":"http:\/\/chenglixue.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/chenglixue.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=409"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/chenglixue.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}