{"id":3713,"date":"2025-02-27T22:51:13","date_gmt":"2025-02-27T14:51:13","guid":{"rendered":"https:\/\/www.fengyu-poi.cn\/?p=3713"},"modified":"2025-02-27T22:53:41","modified_gmt":"2025-02-27T14:53:41","slug":"%e5%b0%8f%e7%b1%b3mi-log%e6%94%af%e6%8c%81aces%e4%ba%86","status":"publish","type":"post","link":"http:\/\/www.fengyu-poi.cn\/?p=3713","title":{"rendered":"\u89e3\u8bfb\u5c0f\u7c73Mi-Log-\u652f\u6301ACES\u4e86\uff01"},"content":{"rendered":"<p>\u6458\u5f55\u4e00\u4e9b\u770b\u5230\u7684\u5177\u4f53\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u8fd9\u6b21MiLog\u7ed9\u51fa\u4e86\u660e\u786e\u7684\u5b9a\u4e49\uff0c\u548c\u63a5\u5165ACES\u6240\u9700\u7684\u4e13\u7528IDT\uff08Input Device Transform\uff09\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u5728\u5404\u79cd\u8272\u5f69\u7ba1\u7406\u8f6f\u4ef6\u4e2d\u5efa\u7acb\u5bf9\u5b83\u7684\u652f\u6301\u4e86\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u57fa\u672c<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><noscript><img decoding=\"async\" width=\"1013\" height=\"1024\" src=\"https:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1-1013x1024.png\" alt class=\"wp-image-3718\" srcset=\"http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1-1013x1024.png 1013w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1-297x300.png 297w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1-768x777.png 768w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1-400x404.png 400w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1-940x950.png 940w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1.png 1444w\" sizes=\"(max-width: 1013px) 100vw, 1013px\"><\/noscript><img decoding=\"async\" width=\"1013\" height=\"1024\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201013%201024%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-3718 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201013%201024%22%3E%3C%2Fsvg%3E 1013w\" sizes=\"(max-width: 1013px) 100vw, 1013px\" data-srcset=\"http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1-1013x1024.png 1013w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1-297x300.png 297w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1-768x777.png 768w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1-400x404.png 400w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1-940x950.png 940w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1.png 1444w\" data-src=\"https:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00001-1-1013x1024.png\"><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">OETF\u548cEOTF\u5b9a\u4e49<\/h2>\n\n\n\n<figure class=\"wp-block-image 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src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201024%20564%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-3721 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201024%20564%22%3E%3C%2Fsvg%3E 1024w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-srcset=\"http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00004-1024x564.png 1024w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00004-300x165.png 300w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00004-768x423.png 768w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00004-1536x847.png 1536w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00004-2048x1129.png 2048w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00004-400x220.png 400w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00004-940x518.png 940w\" data-src=\"https:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00004-1024x564.png\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><noscript><img decoding=\"async\" width=\"1024\" height=\"511\" src=\"https:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-1024x511.png\" alt class=\"wp-image-3719\" srcset=\"http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-1024x511.png 1024w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-300x150.png 300w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-768x383.png 768w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-1536x767.png 1536w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-2048x1022.png 2048w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-400x200.png 400w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-940x469.png 940w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><\/noscript><img decoding=\"async\" width=\"1024\" height=\"511\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201024%20511%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-3719 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201024%20511%22%3E%3C%2Fsvg%3E 1024w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-srcset=\"http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-1024x511.png 1024w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-300x150.png 300w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-768x383.png 768w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-1536x767.png 1536w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-2048x1022.png 2048w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-400x200.png 400w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-940x469.png 940w\" data-src=\"https:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00002-1-1024x511.png\"><\/figure>\n\n\n\n<p>\u8fd9\u91cc\u6211\u4eec\u6ce8\u610f\u5230\u662f\u91c7\u7528\u4e86\u4e8c\u6b21\u51fd\u6570\u6df7\u5408\u5bf9\u6570\u6bb5\uff0c\u8fd9\u4e0e\u5404\u5927\u5382\u5546\u7c7b\u4f3c\u3002\u5176\u5b9e\u8fd9\u79cd\u6df7\u5408\u5f0f\u7684Gamma\u6700\u719f\u6089\u7684\u5c31\u662fHLG\uff0c\u6df7\u5408\u4e00\u6bb5\u7ecf\u5178Gamma\u66f2\u7ebf\u548c\u5bf9\u6570\u66f2\u7ebf\u6765\u538b\u7f29\u9ad8\u5149\uff0c\u4ee5\u7f16\u7801\u66f4\u5e7f\u7684\u52a8\u6001\u8303\u56f4\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8272\u57df<\/h2>\n\n\n\n<p>\u770b\u5230Rec2020\u51fa\u73b0\u5634\u89d2\u4e00\u626c\uff0c\u6b63\u5982\u610f\u6599\u4e4b\u4e2d\uff0c\u8fd9\u662f\u73b0\u5728\u4e0d\u5c11\u5fae\u5355\u91c7\u7528\u7684\u7b56\u7565\uff0c\u6bd4\u5982N-log\uff0cF-log\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><noscript><img decoding=\"async\" width=\"948\" height=\"1024\" src=\"https:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003-948x1024.png\" alt class=\"wp-image-3720\" srcset=\"http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003-948x1024.png 948w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003-278x300.png 278w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003-768x830.png 768w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003-400x432.png 400w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003-940x1016.png 940w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003.png 1292w\" sizes=\"(max-width: 948px) 100vw, 948px\"><\/noscript><img decoding=\"async\" width=\"948\" height=\"1024\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20948%201024%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-3720 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20948%201024%22%3E%3C%2Fsvg%3E 948w\" sizes=\"(max-width: 948px) 100vw, 948px\" data-srcset=\"http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003-948x1024.png 948w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003-278x300.png 278w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003-768x830.png 768w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003-400x432.png 400w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003-940x1016.png 940w, http:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003.png 1292w\" data-src=\"https:\/\/www.fengyu-poi.cn\/wp-content\/uploads\/2025\/02\/milog00003-948x1024.png\"><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec6\u8282\u5904\u7406<\/h2>\n\n\n\n<p>\u9605\u8bfbIDT\u4e4b\u540e\u6211\u4eec\u53ef\u4ee5\u7559\u610f\u5230MiLog\u8fd9\u6b21\u5728\u63a5\u5165ACES\u8fd8\u662f\u6ce8\u610f\u4e86\u8bf8\u591a\u7ec6\u8282\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#define rec2020_to_xyz make_mat3(make_float3(0.6370f, 0.1446f, 0.1689f), make_float3(0.2627f, 0.6780f, 0.0593f), make_float3(0.0f, 0.0281f, 1.0610f))\n\n#define d65_to_d60_cat02 make_mat3(make_float3(1.0120f, 0.0080f, -0.0158f), make_float3(0.0058f, 1.0014f, -0.0063f), make_float3(-0.0003f, -0.0010f, 0.9276f))\n\n#define xyz_to_acesAP0 make_mat3(make_float3(1.0498f, 0.0f, -0.0001f), make_float3(-0.4959f, 1.3733f, 0.0982f), make_float3(0.0f, 0.0f, 0.9913f))\n\n#define rec2020_to_AP0 mult_f33_f33(xyz_to_acesAP0, mult_f33_f33(d65_to_d60_cat02, rec2020_to_xyz))\n\nIDT\u4e2d\u5f88\u5177\u4f53\u7684\u5448\u73b0\u4e86\u529b\u5927\u98de\u7816\u7684\u8272\u5f69\u8f6c\u6362\u8fc7\u7a0b\uff0c\u800c\u4e0d\u662f\u7eaf\u628a\u6574\u4e2aRec2020 - ACES AP0\u6253\u5305\u4e3a\u4e00\u4e2a\u6210\u54c1\u7684Matrix<\/code><\/pre>\n\n\n\n<p>Rec2020\u91c7\u7528D65\u767d\u70b9\uff0cXYZ\u91c7\u7528D50\u767d\u70b9\uff0cACES\u91c7\u7528D60\u767d\u70b9\uff0c\u6211\u4eec\u6ce8\u610f\u5230\u767d\u70b9\u8f6c\u6362\u8fc7\u7a0b\u91c7\u7528CIE CAT02\u8272\u9002\u5e94\u53d8\u6362\u77e9\u9635\u5b9e\u73b0\uff0c\u8fd9\u4e00\u70b9\u4e0eARRI\u76f8\u540c\u3002\uff08\u770b\u6765RED\u7528\u7684Bradford\u4e5f\u88ab\u629b\u5f03\u4e86\uff09<\/p>\n\n\n\n<p>\u4f46\u5c31\u662f\u8fd9\u4e2a\u591a\u53c2\u6570\u6765\u5b9e\u73b0EOTF\u6709\u70b9\u770b\u7740\u70e6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code> const float R_0 = -0.09023729;\n    const float R_t = 0.01974185;\n    const float a = 0.09271529;\n    const float b = 0.01384578;\n    const float g = 0.67291850;\n    const float c = 18.10531998;\n    const float P_t = c * pow((R_t - R_0), 2.0);\n\n    if (x &gt;= P_t) {\n        return pow(2.0, (x - g) \/ a) - b;\n    }\n    else if (x  P_t &amp;&amp; x &gt;= 0.0) {\n        return sqrt(x \/ c) + R_0;\n    }\n    else {\n        return R_0;\n    }<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6458\u5f55\u4e00\u4e9b\u770b\u5230\u7684\u5177\u4f53\u5185\u5bb9\u3002 \u8fd9\u6b21MiLog\u7ed9\u51fa\u4e86\u660e\u786e\u7684\u5b9a\u4e49\uff0c\u548c\u63a5\u5165ACES\u6240\u9700\u7684\u4e13\u7528IDT\uff08Input Devi&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":3727,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_s2mail":"yes","footnotes":""},"categories":[14],"tags":[],"class_list":["post-3713","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dimg"],"_links":{"self":[{"href":"http:\/\/www.fengyu-poi.cn\/index.php?rest_route=\/wp\/v2\/posts\/3713","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.fengyu-poi.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.fengyu-poi.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.fengyu-poi.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.fengyu-poi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3713"}],"version-history":[{"count":5,"href":"http:\/\/www.fengyu-poi.cn\/index.php?rest_route=\/wp\/v2\/posts\/3713\/revisions"}],"predecessor-version":[{"id":3726,"href":"http:\/\/www.fengyu-poi.cn\/index.php?rest_route=\/wp\/v2\/posts\/3713\/revisions\/3726"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.fengyu-poi.cn\/index.php?rest_route=\/wp\/v2\/media\/3727"}],"wp:attachment":[{"href":"http:\/\/www.fengyu-poi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.fengyu-poi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3713"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.fengyu-poi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}