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[15]\u3002\u4f46\u6444\u5f71\u573a\u666f\u4e0d\u53ea\u6709\u65e5\u5149&#xff0c;\u5404\u7c7b\u975e\u65e5\u5149\u7167\u660e\u6761\u4ef6\u540c\u6837\u5341\u5206\u666e\u904d\u3002CIE \u5b9a\u4e49\u7684\u6807\u51c6 A \u5149\u6e90\u3001F \u7cfb\u5217\u8367\u5149\u5149\u6e90&#xff0c;\u4e5f\u65e0\u6cd5\u8986\u76d6\u5b9e\u9645\u62cd\u6444\u9047\u5230\u7684\u5168\u90e8\u7167\u660e\u3002<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020105-6aab49e189814.png\" \/><br \/>\n\u56fe 1 CIE1931 xy \u8272\u5ea6\u4e0b\u7684\u7167\u660e\u8272\u5ea6\u5b9e\u6d4b\u6570\u636e<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u56fe 1 \u5c55\u793a CIE1931\u2011xy 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\u533a\u95f4\u5185&#xff0c;\u7167\u660e\u8272\u5ea6\u7684\u79bb\u6563\u6ce2\u52a8\u66f4\u5c0f\u3002\u57fa\u4e8e\u8fd9\u4e9b\u6d4b\u91cf&#xff0c;\u53ef\u4ee5\u62df\u5408\u5f97\u5230\u5e73\u5747\u7167\u660e\u8272\u5ea6\u968f\u76f8\u5173\u8272\u6e29 CCT \u53d8\u5316\u7684\u51fd\u6570&#xff0c;\u4e5f\u80fd\u4f30\u7b97\u8272\u5ea6\u76f8\u5bf9\u5e73\u5747\u8f68\u8ff9\u7684\u6b63\u4ea4\u65b9\u5411\u6ce2\u52a8\u8303\u56f4\u3002\u5176\u4ed6\u516c\u5f00\u6570\u636e\u6e90\u4e5f\u53ef\u4ee5\u5f97\u5230\u540c\u7c7b\u4fe1\u606f&#xff1b;\u5bf9\u7b97\u6cd5\u6765\u8bf4&#xff0c;\u5173\u952e\u662f\u80fd\u591f\u83b7\u53d6\u8be5\u7c7b\u5148\u9a8c\u6570\u636e\u3002<\/p>\n<p>\u56fe 1 \u4e2d CIE1931\u2011xy \u5e73\u9762\u4e0a\u5e73\u5747\u8272\u5ea6\u8f68\u8ff9<img decoding=\"async\" alt=\"(y_A)\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e20a18d.png\" \/>&#xff0c;\u7531\u4e0b\u5f0f\u5b9a\u4e49&#xff1a;<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"(\\\\begin{array}{rlr} y_{A}(x)= &amp; -15.111 x^{4}+23.196 x^{3}-15.648 x^{2} \\\\\\\\ &amp; +5.811 x-0.525, &amp; x \\\\in[0.240,0.565] . \\\\end{array})\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e21797a.png\" \/><\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u56fe 2 \u5c55\u793a\u540c\u4e00\u6279\u5b9e\u6d4b\u7167\u660e\u6761\u4ef6\u4e0b&#xff0c;\u7167\u5ea6\u4e0e\u76f8\u5173\u8272\u6e29 CCT \u7684\u5bf9\u5e94\u5173\u7cfb\u3002\u7167\u5ea6\u5927\u4e8e 20000lux \u65f6&#xff0c;CCT \u4f1a\u88ab\u7ea6\u675f\u5728\u5f88\u7a84\u533a\u95f4&#xff0c;\u5927\u7ea6 4500\u20116500K&#xff0c;\u5b9e\u6d4b\u6837\u672c\u51e0\u4e4e\u4e0d\u4f1a\u504f\u79bb\u8be5\u8303\u56f4&#xff1b;\u7167\u5ea6\u7ee7\u7eed\u5347\u9ad8&#xff0c;\u8272\u6e29\u4f1a\u4ece 6000\u20116500K \u5411 4500\u20116000K \u504f\u79fb\u30022.2.3 \u5c0f\u8282\u4f1a\u4ecb\u7ecd\u5982\u4f55\u5229\u7528\u8be5\u7279\u6027\u3002<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e2292d8.png\" \/><br \/>\n\u56fe 2 \u4e0e\u56fe 1 \u540c\u6e90\u6d4b\u91cf\u6570\u636e&#xff1a;\u7167\u660e\u7167\u5ea6\u968f\u76f8\u5173\u8272\u6e29 CCT \u53d8\u5316<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f46\u4f4e\u7167\u5ea6\u6761\u4ef6\u4e0b\u4e0d\u5b58\u5728\u8fd9\u6837\u5f3a\u7684\u7ea6\u675f\u5173\u7cfb&#xff0c;\u89c1\u56fe 3\u3002\u4f4e\u7167\u5ea6\u73af\u5883\u867d\u7136\u51fa\u73b0\u4f4e\u8272\u6e29\u6837\u672c\u66f4\u591a&#xff0c;\u4f46\u5e76\u4e0d\u6392\u9664\u4efb\u610f CCT \u7167\u660e\u7684\u53ef\u80fd\u6027.<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e2586ae.png\" \/><br \/>\n\u56fe 3 \u5bf9\u6570\u5750\u6807\u4e0b&#xff0c;\u7167\u5ea6\u968f\u76f8\u5173\u8272\u6e29 CCT \u53d8\u5316&#xff0c;\u6570\u636e\u4e0e\u56fe 1 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\/>\u00a0\u5f0f2<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5f0f\u4e2d(R,G,B)\u4e3a\u76f8\u673a\u4f20\u611f\u5668\u7ecf\u8fc7\u9884\u5904\u7406\u540e\u7684\u539f\u59cb\u50cf\u7d20\u503c&#xff1b;\u9884\u5904\u7406\u5305\u542b\u6d88\u9664\u9ed1\u7535\u5e73\u3001\u52a8\u6001\u8303\u56f4\u7ebf\u6027\u5316\u3001\u6821\u6b63\u6e10\u6655\u4e0e\u8272\u5f69\u9634\u5f71\u3002\u9884\u5904\u7406\u7ec6\u8282\u53ef\u53c2\u8003\u6587\u732e [18] \u7b2c 2 \u8282\u3002<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e2a046d.png\" \/><br \/>\n\u56fe 4 \u53c2\u8003\u76f8\u673a\u6a21\u7ec4\u539f\u59cb\u54cd\u5e94\u7a7a\u95f4\u4e0b\u7684\u7167\u660e\u8272\u5ea6\u5b9e\u6d4b<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u56fe 4 \u548c\u56fe 1 \u5c55\u793a\u7684\u662f\u540c\u4e00\u7ec4\u7167\u660e\u8272\u5ea6&#xff0c;\u4f46\u8f6c\u6362\u5230\u793a\u4f8b\u76f8\u673a\u6a21\u7ec4\u7684\u4f20\u611f\u5668\u8272\u5ea6\u5e73\u9762((R\/G,B\/G))\u3002\u8be5\u793a\u4f8b\u76f8\u673a\u6a21\u7ec4\u4f1a\u5728 3.2 \u8282\u8fdb\u4e00\u6b65\u8bf4\u660e\u3002\u9700\u8981\u6ce8\u610f&#xff0c;\u4ec5\u4ec5\u5339\u914d CIE\u2011xy \u8272\u5ea6\u5750\u6807\u8fd8\u4e0d\u591f&#xff0c;\u4e0d\u540c\u8272\u6e29\u533a\u95f4\u5bf9\u5e94\u7684\u5178\u578b\u7167\u660e\u5149\u8c31\u540c\u6837\u8981\u88ab\u8986\u76d6\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5de5\u7a0b\u4e0a&#xff0c;\u4e0d\u53ef\u80fd\u4e3a\u6bcf\u4e00\u6b3e\u65b0\u578b\u76f8\u673a\u6a21\u7ec4\u62cd\u6444\u6d77\u91cf\u56fe\u50cf\u5b8c\u6210\u6807\u5b9a&#xff0c;\u5f88\u96be\u8986\u76d6\u5168\u90e8\u73b0\u5b9e\u7167\u660e\u6761\u4ef6\u3002\u66f4\u53ef\u884c\u7684\u63a8\u5bfc\u4f20\u611f\u5668\u54cd\u5e94\u7684\u65b9\u5f0f\u662f\u7ed3\u5408\u4e09\u70b9&#xff1a;<\/p>\n<p>\u2460\u76f8\u673a\u6a21\u7ec4 RGB \u901a\u9053\u5149\u8c31\u54cd\u5e94&#xff1b;<\/p>\n<p>\u2461\u56fe 1 \u4e2d\u7684\u5404\u7c7b\u7167\u660e\u8272\u5ea6&#xff1b;<\/p>\n<p>\u2462\u4e0d\u540c\u8272\u6e29\u70b9\u5bf9\u5e94\u7684\u5178\u578b\u7167\u660e\u5149\u8c31\u4f30\u8ba1\u3002\u5982\u679c\u56fe 1 \u6bcf\u4e00\u4e2a\u8272\u5ea6\u70b9\u90fd\u6709\u5b8c\u6574\u7167\u660e\u5149\u8c31&#xff0c;\u6807\u5b9a\u5de5\u4f5c\u4f1a\u8fdb\u4e00\u6b65\u7b80\u5316\u3002\u5bf9\u7b97\u6cd5\u539f\u7406\u6765\u8bf4&#xff0c;\u91cd\u70b9\u662f\u83b7\u5f97\u5e73\u5747\u7167\u660e\u8272\u5ea6\u8f68\u8ff9\u3001\u5bf9\u5e94\u7684 CCT&#xff0c;\u4ee5\u53ca\u8272\u5ea6\u76f8\u5bf9\u5e73\u5747\u8f68\u8ff9\u7684\u6ce2\u52a8\u8303\u56f4&#xff0c;\u8bb0\u4f20\u611f\u5668\u54cd\u5e94\u4e0b\u5e73\u5747\u7167\u660e\u8272\u5ea6\u51fd\u6570\u4e3a<img decoding=\"async\" alt=\"(f_A)\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e2bb5cc.png\" \/>\u3002<\/p>\n<p>\u5176\u5b9e\u56fe4\u5c31\u662f\u5404\u79cd\u4e3b\u63a7\u767d\u5e73\u8861\u6a21\u5757\u4e2d\u6240\u8868\u793a\u7684\u5728\u8272\u6e29\u5750\u6807\u7cfb\u4e0b\u7684\u7c7b\u4f3c\u666e\u6717\u514b\u66f2\u7ebf\u3002\u9700\u8981\u5728\u6807\u51c6\u5149\u6e90\u4e0b\u6807\u70b9\u5f97\u5230\u3002<\/p>\n<h4>2.1 CCIC \u7b97\u6cd5\u539f\u7406<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u76f8\u673a\u7cfb\u7edf\u91c7\u7528\u7167\u660e\u53d8\u6362\u5bf9\u89d2\u6a21\u578b&#xff0c;\u89c1\u516c\u5f0f (3)&#xff0c;\u4e5f\u5373\u51af\u30fb\u514b\u91cc\u65af\u6cd5\u5219\u3002<img decoding=\"async\" alt=\"(G_{WB})\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e2c88a8.png\" \/>\u662f 3\u00d73 \u5bf9\u89d2\u77e9\u9635&#xff1b;<img decoding=\"async\" alt=\"(\\\\boldsymbol w)\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e2d5ab0.png\" \/>\u662f\u67d0\u4e00\u7167\u660e\u4e0b\u4e2d\u6027\u7269\u4f53\u7684\u4f20\u611f\u5668 RGB \u54cd\u5e94&#xff0c;<img decoding=\"async\" alt=\"(\\\\boldsymbol w&apos;)\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e2e27ce.png\" \/>\u662f\u53e6\u4e00\u7167\u660e\u4e0b\u540c\u4e2a\u4e2d\u6027\u7269\u4f53\u7684\u54cd\u5e94\u3002\u5982\u679c\u56fe\u50cf\u5168\u90e8\u989c\u8272<img decoding=\"async\" alt=\"(\\\\boldsymbol x)\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e2ef55e.png\" \/>\u90fd\u53ef\u4ee5\u6309\u7167\u5f0f (3) \u5b8c\u6210\u4e0d\u540c\u7167\u660e\u4e4b\u95f4\u7684\u8f6c\u6362&#xff0c;\u5219\u5bf9\u89d2\u6a21\u578b\u6210\u7acb\u3002\u77e9\u9635\u5bf9\u89d2\u5143\u5c31\u662f\u540e\u6587\u6240\u8bf4\u7684\u767d\u5e73\u8861\u589e\u76ca\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"(\\\\vec{x}&apos;=G_{WB} \\\\vec{x},\\\\ G_{WB}=\\\\left[\\\\begin{array}{ccc}w_{R}&apos; \/ w_{R} &amp; 0 &amp; 0 \\\\\\\\ 0 &amp; w_{G}&apos; \/ w_{G} &amp; 0 \\\\\\\\ 0 &amp; 0 &amp; w_{B}&apos; \/ w_{B}\\\\end{array}\\\\right]\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020107-6aab49e30837f.png\" \/>\u00a0\u5f0f3<\/p>\n<p>\u00a0\u672c\u6587\u56fe\u50cf\u5904\u7406\u94fe\u8def\u4e0e\u6587\u732e [18] \u7b2c 2 \u8282\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7b97\u6cd5\u6838\u5fc3\u601d\u8def&#xff1a;\u5229\u7528\u7b2c 2 \u8282\u524d\u8ff0\u5148\u9a8c\u4fe1\u606f&#xff0c;\u2460\u4ece\u56fe\u50cf\u5185\u5bfb\u627e\u4e2d\u6027\u533a\u57df&#xff1b;\u2461\u5f53\u56fe\u50cf\u4e2d\u6027\u533a\u57df\u5f88\u5c11\u751a\u81f3\u6ca1\u6709&#xff0c;\u5c31\u4f7f\u7528\u76f8\u673a\u6807\u5b9a\u5f97\u5230\u7684\u5e73\u5747\u7167\u660e\u8272\u5ea6\u51fd\u6570<img decoding=\"async\" alt=\"(f_A)\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e2bb5cc.png\" \/>\u8ba1\u7b97\u767d\u5e73\u8861\u589e\u76ca\u30022.2\u20112.4 \u5c0f\u8282\u5206\u6b65\u63cf\u8ff0\u7b97\u6cd5\u8ba1\u7b97\u6d41\u7a0b\u3002<\/p>\n<h4>2.2 \u6b65\u9aa4 1&#xff1a;\u7f29\u5c0f\u7167\u660e\u76f8\u5173\u8272\u6e29 CCT \u5019\u9009\u8303\u56f4<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7531\u56fe 1 \u53ef\u77e5&#xff0c;\u5b9e\u9645\u62cd\u6444\u7167\u660e CCT \u8303\u56f4\u5927\u81f4\u4ece 1700K&#xff08;\u58c1\u7089\u3001\u70db\u5149&#xff09;\u5230\u65e0\u7a77\u5927&#xff08;\u5317\u5929\u9634\u5f71\u573a\u666f&#xff09;\u3002\u7b97\u6cd5\u7b2c\u4e00\u6b65\u5c31\u662f\u7f29\u5c0f\u5019\u9009 CCT \u533a\u95f4\u3002\u56fe 5\u3001\u56fe 6 \u53ef\u4ee5\u89e3\u91ca\u4e3a\u4ec0\u4e48\u5fc5\u987b\u505a\u533a\u95f4\u538b\u7f29\u3002<\/p>\n<p class=\"img-center\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020107-6aab49e319d03.png\" \/><\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020107-6aab49e33d075.png\" \/><br \/>\n\u56fe 5 \u5b9e\u9a8c\u5ba4\u793a\u4f8b\u573a\u666f\u7684\u8272\u5ea6\u6837\u672c<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u56fe 6 \u5c55\u793a\u56fe 5 \u5b9e\u9a8c\u5ba4\u573a\u666f&#xff0c;\u5728\u4e24\u79cd\u4e0d\u540c\u7167\u660e\u4e0b&#xff0c;\u7ecf\u8fc7\u9884\u5904\u7406\u539f\u59cb\u8272\u5ea6((R\/G,B\/G))\u6295\u5f71\u5230\u53c2\u8003\u76f8\u673a\u6a21\u7ec4\u7684\u8272\u5ea6\u5e73\u9762\u3002D65 \u5149\u6e90\u4f7f\u7528\u6a21\u62df D65 \u7684\u8367\u5149\u706f\u7ba1&#xff1b;3000K \u7167\u660e\u7531 RGB \u8367\u5149\u706f\u7ba1\u751f\u6210&#xff0c;\u5149\u8c31\u5c16\u5cf0\u660e\u663e\u3002\u5f69\u8272\u5706\u5708\u4ee3\u8868\u573a\u666f\u4e2d\u5404\u7c7b\u63a5\u8fd1\u7070\u8272\u7269\u4f53\u8272\u5ea6&#xff0c;\u5305\u62ec Gretag\u2011Macbeth \u8272\u5361\u4e2d\u6027\u5757\u3001A4 \u767d\u7eb8\u3001\u76d8\u5b50\u3001\u62a5\u7eb8\u7b49&#xff1b;\u5f69\u8272\u4e09\u89d2\u662f\u8272\u5ea6\u6700\u63a5\u8fd1\u4e2d\u6027\u7269\u4f53\u7684\u975e\u4e2d\u6027\u7269\u4f53&#xff0c;\u4e3b\u8981\u662f\u6d45\u84dd\u3001\u6d45\u68d5&#xff0c;\u5305\u62ec\u5929\u7a7a\u3001\u684c\u5e03\u3001\u76ae\u80a4\u3001\u6728\u8d28\u8f68\u9053\u90e8\u5206\u533a\u57df\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u53ef\u4ee5\u770b\u5230&#xff1a;\u5f88\u591a\u975e\u4e2d\u6027\u7269\u4f53\u7684\u76f8\u673a\u54cd\u5e94&#xff0c;\u548c\u53e6\u4e00\u7167\u660e\u4e0b\u4e2d\u6027\u7269\u4f53\u8f93\u51fa\u51e0\u4e4e\u91cd\u5408\u3002\u4f8b\u5982 D65 \u5149\u7167\u4e0b\u6d45\u84dd\u8272\u7269\u4f53&#xff0c;\u8272\u5ea6\u63a5\u8fd1 &gt; 9000K \u5149\u6e90\u7167\u5c04\u4e2d\u6027\u7269\u4f53\u7684\u8f93\u51fa\u3002\u5728 3000K \u7167\u660e\u6761\u4ef6\u4e0b&#xff0c;\u53d7\u5c16\u5cf0\u5149\u8c31\u3001\u76f8\u673a\u901a\u9053\u5149\u8c31\u9ad8\u5ea6\u91cd\u53e0\u5f71\u54cd&#xff0c;\u6d45\u84dd\u8272\u7269\u4f53\u548c\u7070\u8272\u6837\u672c\u8272\u5ea6\u66f4\u52a0\u96be\u4ee5\u533a\u5206\u3002\u56e0\u6b64\u5fc5\u987b\u6392\u9664\u4e00\u90e8\u5206 CCT \u5019\u9009\u533a\u95f4&#xff0c;\u6d88\u9664\u8fd9\u7c7b\u6b67\u4e49\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u672c\u7b97\u6cd5\u7f29\u5c0f CCT \u5019\u9009\u8303\u56f4\u7efc\u5408\u4e94\u9879\u4fe1\u606f&#xff1a;\u2460\u56fe 4 \u6807\u5b9a\u5f97\u5230\u7684\u5e73\u5747\u8272\u5ea6\u8f68\u8ff9<img decoding=\"async\" alt=\"(f_A)\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e2bb5cc.png\" \/>&#xff1b;\u2461\u7070\u5ea6\u4e16\u754c\u7b97\u6cd5&#xff1b;\u2462\u8272\u57df\u6700\u5927\u5316\u51c6\u5219&#xff1b;\u2463\u7167\u5ea6\u4f30\u8ba1&#xff08;\u7ed3\u5408\u56fe 2 \u5148\u9a8c&#xff09;&#xff1b;\u2464\u5c06\u4ee5\u4e0a\u56db\u70b9\u878d\u5408\u7684\u542f\u53d1\u5f0f\u89c4\u5219\u3002\u4e0b\u9762\u4f9d\u6b21\u4ecb\u7ecd\u7070\u5ea6\u4e16\u754c\u3001\u8272\u5ea6\u8272\u57df\u6700\u5927\u5316\u3001\u7167\u5ea6\u4f30\u8ba1&#xff0c;\u4e4b\u540e\u7ed9\u51fa\u6700\u7ec8 CCT \u533a\u95f4\u786e\u5b9a\u6d41\u7a0b\u3002\u4e5f\u53ef\u4ee5\u66ff\u6362\u6210\u66f4\u590d\u6742\u7684\u989c\u8272\u6052\u5e38\u7b97\u6cd5\u83b7\u5f97\u66f4\u7cbe\u51c6 CCT \u8303\u56f4&#xff0c;\u4f46\u672c\u6587\u9009\u7528\u7b80\u5355\u7b97\u6cd5\u5df2\u7ecf\u53ef\u4ee5\u53d6\u5f97\u826f\u597d\u7ed3\u679c&#xff08;\u7b2c 4 \u8282&#xff09;&#xff0c;\u540c\u65f6\u4fdd\u8bc1\u4f4e\u8ba1\u7b97\u5f00\u9500\u3002\u7b2c\u4e00\u9636\u6bb5\u5c3d\u91cf\u5c11\u4f9d\u8d56\u76f8\u673a\u6807\u5b9a&#xff0c;\u63d0\u5347\u7b97\u6cd5\u9762\u5bf9\u524d\u8ff0\u5404\u7c7b\u8bef\u5dee\u6e90\u7684\u9c81\u68d2\u6027\u3002<\/p>\n<p>\u5b9a\u4e49<img decoding=\"async\" alt=\"(C_{CCT})\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020107-6aab49e368567.png\" \/>\u4e3a\u5e73\u5747\u8272\u5ea6\u8f68\u8ff9<img decoding=\"async\" alt=\"(f_A)\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e2bb5cc.png\" \/>\u4e0a\u7684\u4e00\u7ec4\u8bc4\u4f30\u70b9&#xff0c;\u5bf9\u5e94 28 \u4e2a\u8272\u6e29&#xff1a;1887, 2000, 2167, 2333, 2500, 2667, 2833, 3000, 3167, 3333, 3500, 3750, 4000, 4250, 4500, 5000, 5500, 6000, 6500, 7000, 7500, 8000, 9000, 10000, 11500, 13500, 17500, 25000 K\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"(C_{CCT}=\\\\left\\\\{f_{A}(1887 K), ..., f_{A}(25000 K)\\\\right\\\\} )\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020107-6aab49e37587d.png\" \/>\u5f0f4<\/p>\n<p>\u8fd9\u4e9b\u8bc4\u4f30\u70b9\u4e4b\u95f4\u6b27\u6c0f\u8ddd\u79bb\u5927\u81f4\u5747\u7b49&#xff0c;\u8986\u76d6\u6444\u5f71\u573a\u666f\u7edd\u5927\u591a\u6570\u8272\u6e29\u6761\u4ef6\u3002<\/p>\n<h5>2.2.1 \u7070\u5ea6\u4e16\u754c\u7b97\u6cd5<\/h5>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7ecf\u5178\u7070\u5ea6\u4e16\u754c\u5047\u8bbe&#xff1a;\u573a\u666f\u5168\u90e8\u989c\u8272\u7684\u7edf\u8ba1\u5e73\u5747\u503c\u4e3a\u7070\u8272\u3002\u7167\u660e\u8272\u5ea6\u4f30\u8ba1<img decoding=\"async\" alt=\"(\\\\vec c_{GW})\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020107-6aab49e385edf.png\" \/>\u7531 RGB \u4e09\u901a\u9053\u5747\u503c\u8ba1\u7b97&#xff1a;<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"(\\\\vec{c}_{GW}=\\\\left[\\\\overline{R} \/ \\\\overline{G}, \\\\overline{B} \/ \\\\overline{G}\\\\right]\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020107-6aab49e393251.png\" \/>\u5f0f5<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728\u96c6\u5408<img decoding=\"async\" alt=\"C_{CCT}\" class=\"mathcode\" src=\"2026-09-17neywgtdcv11.png\" \/>\u4e2d\u5bfb\u627e\u4e0e<img decoding=\"async\" alt=\"(\\\\vec c_{GW})\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020107-6aab49e385edf.png\" \/>\u6b27\u6c0f\u8ddd\u79bb\u6700\u8fd1\u7684\u70b9&#xff0c;\u5f97\u5230\u7070\u5ea6\u4e16\u754c\u5bf9\u5e94\u7684\u8272\u6e29\u4f30\u8ba1<img decoding=\"async\" alt=\"(CCT_{GW})\" class=\"mathcode\" src=\"2026-09-17vokapp3kf5d.png\" \/>\u3002<\/p>\n<p>\u5f53\u573a\u666f\u8272\u5f69\u4e30\u5bcc&#xff0c;\u7070\u5ea6\u4e16\u754c\u7b97\u6cd5\u5728\u771f\u5b9e\u56fe\u50cf\u8868\u73b0\u5c1a\u53ef&#xff1b;\u5982\u679c\u573a\u666f\u8272\u5f69\u5355\u4e00&#xff0c;\u67d0\u4e00\u901a\u9053\u660e\u663e\u7f3a\u5931&#xff0c;\u4f1a\u8f93\u51fa\u9519\u8bef\u504f\u8272\u3002\u4f46\u5bf9\u4e8e<img decoding=\"async\" alt=\"(CCT_{GW})\" class=\"mathcode\" src=\"2026-09-17vokapp3kf5d.png\" \/>&#xff0c;\u90a3\u4e9b\u5782\u76f4\u4e8e\u5e73\u5747\u8272\u5ea6\u8f68\u8ff9<img decoding=\"async\" alt=\"(f_A)\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020106-6aab49e2bb5cc.png\" \/>\u65b9\u5411\u4e0a\u7684\u8272\u5ea6\u4f30\u8ba1\u8bef\u5dee\u4e0d\u4f1a\u9020\u6210\u4e25\u91cd\u540e\u679c\u3002<\/p>\n<p>\u6240\u4ee5\u540e\u7eed\u8ba1\u7b97\u767d\u5e73\u8861\u589e\u76ca\u7684\u65f6\u5019&#xff0c;\u9009\u53d6\u4e86\u7070\u5ea6\u4e16\u754c\u6cd5\u6620\u5c04\u5230\u5e73\u5747\u8272\u5ea6\u8f68\u8ff9\u7684\u6620\u5c04\u70b9\u4f5c\u4e3a\u4e00\u9879\u52a0\u6743\u503c\u3002<\/p>\n<h5>2.2.2 \u8272\u5ea6\u8272\u57df\u6700\u5927\u5316\u7b97\u6cd5<\/h5>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8272\u5ea6\u8272\u57df\u6700\u5927\u5316\u7b97\u6cd5\u539f\u7406&#xff1a;\u4ece<img decoding=\"async\" alt=\"C_{CCT}\" class=\"mathcode\" src=\"2026-09-17neywgtdcv11.png\" \/>\u5019\u9009\u8272\u5ea6\u70b9\u4e2d&#xff0c;\u6311\u9009\u7ecf\u8fc7\u767d\u5e73\u8861\u540e\u56fe\u50cf\u8272\u5ea6\u8272\u57df\u9762\u79ef\u6700\u5927\u7684\u8272\u5ea6&#xff0c;\u5bf9\u5e94\u8272\u6e29\u8bb0\u4f5c<img decoding=\"async\" alt=\"(CCT_{GMAX})\" class=\"mathcode\" src=\"2026-09-174en5akec2jq.png\" \/>\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u539f\u59cb\u56fe\u50cf\u7ecf\u8fc7\u767d\u5e73\u8861\u4e4b\u540e&#xff0c;\u8fd8\u8981\u6267\u884c\u4f20\u611f\u5668 RGB \u5230 sRGB \u7684\u8272\u5f69\u77e9\u9635\u8f6c\u6362\u3002\u5982\u679c\u5019\u9009\u767d\u70b9\u662f\u771f\u5b9e\u7167\u660e&#xff0c;\u4e2d\u6027\u7269\u4f53\u8f6c\u6362\u540e\u4f9d\u65e7\u4fdd\u6301\u4e2d\u6027&#xff1b;\u82e5\u76f8\u673a\u901a\u9053\u5149\u8c31\u91cd\u53e0\u4e25\u91cd&#xff0c;\u8272\u5f69\u8f6c\u6362\u4f1a\u663e\u8457\u6269\u5c55\u8272\u5ea6\u8272\u57df\u3002\u53cd\u8fc7\u6765&#xff0c;\u5982\u679c\u5019\u9009\u767d\u70b9\u9519\u8bef&#xff0c;\u8272\u5f69\u8f6c\u6362\u4f1a\u653e\u5927\u504f\u8272&#xff0c;\u53c2\u8003\u6587\u732e [18] \u6709\u66f4\u8be6\u7ec6\u8bba\u8ff0\u3002\u4f8b\u5982\u5019\u9009\u767d\u70b9\u8272\u6e29\u8fc7\u9ad8&#xff0c;\u8272\u57df\u4f1a\u88ab\u538b\u7f29\u504f\u5411\u7ea2\u8c03&#xff1b;\u5019\u9009\u767d\u70b9\u8272\u6e29\u8fc7\u4f4e&#xff0c;\u8272\u57df\u88ab\u538b\u7f29\u504f\u5411\u84dd\u8c03\u3002\u5f53\u5019\u9009\u767d\u70b9\u63a5\u8fd1\u771f\u5b9e\u503c&#xff0c;\u8272\u57df\u53ef\u4ee5\u8986\u76d6\u573a\u666f\u771f\u5b9e\u989c\u8272&#xff0c;\u9762\u79ef\u66f4\u5927\u3002\u8be5\u7b97\u6cd5\u9002\u5408\u573a\u666f\u989c\u8272\u4e30\u5bcc\u7684\u56fe\u50cf&#xff1b;\u5982\u679c\u573a\u666f\u989c\u8272\u79cd\u7c7b\u5f88\u5c11&#xff0c;\u8272\u57df\u9762\u79ef\u4e0d\u4f1a\u51fa\u73b0\u5355\u4e00\u660e\u663e\u5cf0\u503c&#xff0c;\u751a\u81f3\u51fa\u73b0\u591a\u4e2a\u5cf0\u503c\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e3a\u63d0\u5347\u6ca1\u6709\u5355\u5cf0\u60c5\u51b5\u4e0b\u7684\u9c81\u68d2\u6027&#xff0c;\u589e\u52a0\u4e00\u6b65\u5904\u7406&#xff1a;\u82e5\u591a\u4e2a\u5019\u9009\u767d\u70b9\u5f97\u5230\u8272\u57df\u9762\u79ef\u2265\u6700\u5927\u8272\u57df\u9762\u79ef\u7684 95%&#xff0c;\u5e76\u4e14\u8fd9\u4e9b\u5019\u9009\u8272\u6e29\u843d\u5728\u6700\u5927\u8272\u57df\u5bf9\u5e94\u8272\u6e29\u548c\u7070\u5ea6\u4e16\u754c\u8272\u6e29<img decoding=\"async\" alt=\"(CCT_{GW})\" class=\"mathcode\" src=\"2026-09-17vokapp3kf5d.png\" \/>\u4e4b\u95f4&#xff0c;\u5219\u5bf9\u8fd9\u4e9b\u8272\u6e29\u53d6\u5e73\u5747&#xff0c;\u5f97\u5230<img decoding=\"async\" alt=\"(CCT_{GMAX})\" class=\"mathcode\" src=\"2026-09-174en5akec2jq.png\" \/>\u3002\u4e5f\u6709\u5176\u4ed6\u6587\u732e\u5229\u7528\u8272\u57df\u5927\u5c0f\u7b5b\u9009\u5149\u6e90\u5019\u9009\u503c&#xff0c;\u89c1\u6587\u732e [19]\u3002<\/p>\n<h5>2.2.3 \u7167\u5ea6\u4f30\u8ba1<\/h5>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u672c\u65b9\u6cd5\u6309\u7167\u4e0b\u5f0f\u4f30\u8ba1\u62cd\u6444\u573a\u666f\u7167\u5ea6&#xff1a;<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"(E_V\\\\):\\\\(E_{V}=\\\\frac{4,17 \\\\cdot 10^{9} \\\\cdot e c}{E_{S} \\\\cdot BaseISO }, \\\\begin{cases} ec=\\\\frac{L}{L_{L}},&amp; L&lt;L_{L} \\\\\\\\ ec=\\\\frac{L}{L_{H}},&amp; L&gt;L_{H} \\\\\\\\ ec=1,&amp; L_{L} \\\\leq L \\\\leq L_{H} \\\\end{cases}.\" class=\"mathcode\" src=\"2026-09-174dqhuasigax.png\" \/>\u5f0f6<\/p>\n<p>\u5f0f6\u4e2d&#xff1a;<img decoding=\"async\" alt=\"(E_S)\" class=\"mathcode\" src=\"2026-09-17e10dlmhxgkb.png\" \/>\u662f\u4f20\u611f\u5668\u7b49\u6548\u66dd\u5149\u91cf&#xff08;\u5fae\u79d2&#xff09;&#xff0c;\u5305\u542b\u66dd\u5149\u65f6\u95f4\u3001\u6a21\u62df \/ \u6570\u5b57\u589e\u76ca\u3001\u5149\u5708\u3001\u4e2d\u7070\u6ee4\u955c\u7b49\u7efc\u5408\u8d21\u732e&#xff1b;BaseISO \u4e3a\u4f20\u611f\u5668\u57fa\u7840\u611f\u5149\u5ea6&#xff0c;\u8ba1\u7b97\u65b9\u6cd5\u89c1\u6587\u732e [20]&#xff1b;ec\u7528\u6765\u8865\u507f\u66dd\u5149\u63a7\u5236\u5e26\u6765\u7684\u6b20\u66dd\u3001\u8fc7\u66dd\u3002\u5b9e\u9a8c\u4e2d\u9884\u5904\u7406\u539f\u59cb\u56fe\u50cf\u5e73\u5747\u4eae\u5ea6L\u7684\u9608\u503c<img decoding=\"async\" alt=\"(L_L\\\\),\\\\(L_H)\" class=\"mathcode\" src=\"2026-09-17mggpmzx0yvv.png\" \/>\u5206\u522b\u53d6\u52a8\u6001\u8303\u56f4\u7684 20%\u300150%\u3002\u4e3e\u4f8b&#xff1a;\u4f20\u611f\u5668 BaseISO&#061;125&#xff0c;\u7b49\u6548\u66dd\u5149 33.6ms&#xff0c;\u4f30\u7b97\u7167\u5ea6\u7ea6 1000lux\u3002<\/p>\n<p>\u5982\u679c\u662f\u4f30\u7b97\u7684\u8bdd&#xff0c;\u5176\u5b9e\u4e0d\u9700\u8981\u8fd9\u4e48\u590d\u6742\u3002\u53ef\u4ee5\u76f4\u63a5\u83b7\u53d6\u5f53\u524d\u7684AE\u53c2\u6570&#xff0c;\u6839\u636e\u66dd\u5149\u65f6\u95f4\u548c\u603b\u589e\u76ca\u8ba1\u7b97\u7684\u5230\u4e00\u4e2a\u6307\u793a\u5f53\u524d\u7167\u5ea6\u7684\u6307\u6807\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u53d7\u573a\u666f\u53cd\u5c04\u7387\u672a\u77e5\u7b49\u56e0\u7d20\u9650\u5236&#xff0c;\u7167\u5ea6\u4f30\u8ba1\u5e76\u4e0d\u5b8c\u5168\u7cbe\u51c6&#xff0c;\u4f46\u8db3\u591f\u7528\u6765\u4f7f\u7528\u56fe 2 \u7684\u5148\u9a8c\u77e5\u8bc6\u3002\u57fa\u4e8e\u7167\u5ea6\u8bbe\u7f6e\u8272\u6e29\u4e0a\u4e0b\u9650&#xff1a;<\/p>\n<p class=\"img-center\"><img decoding=\"async\" alt=\"\" src=\"2026-09-17cqeg1eetmcv.png\" \/><\/p>\n<p>\u8fd9\u5957\u7167\u5ea6\u2011\u8272\u6e29\u7ea6\u675f\u7531\u5b9e\u9a8c\u5f97\u5230&#xff0c;\u5e76\u672a\u505a\u6781\u81f4\u4f18\u5316&#xff1b;\u7b2c 4 \u8282\u4f1a\u9a8c\u8bc1\u8be5\u7ea6\u675f\u7684\u5b9e\u9645\u4f5c\u7528\u3002<\/p>\n<h5>2.2.4 \u6700\u7ec8\u76f8\u5173\u8272\u6e29\u5019\u9009\u533a\u95f4<\/h5>\n<li>\u521d\u59cb CCT \u533a\u95f4\u6765\u81ea 2.2.3 \u7167\u5ea6\u4f30\u8ba1\u3002\u5982\u679c\u66dd\u5149\u4fe1\u606f\u4e0d\u53ef\u7528&#xff0c;\u6216\u8005\u4f30\u8ba1\u7167\u5ea6\u5c0f\u4e8e 1000lux&#xff0c;\u5219\u4e0d\u65bd\u52a0\u7167\u5ea6\u5e26\u6765\u7684\u533a\u95f4\u9650\u5236\u3002<\/li>\n<li>\u4f7f\u7528<img decoding=\"async\" alt=\"(CCT_{GW})\" class=\"mathcode\" src=\"2026-09-17vokapp3kf5d.png\" \/>\u548c<img decoding=\"async\" alt=\"(CCT_{GMAX})\" class=\"mathcode\" src=\"2026-09-174en5akec2jq.png\" \/>\u8fdb\u4e00\u6b65\u538b\u7f29 CCT \u533a\u95f4&#xff1b;\u4f46\u5982\u679c\u4e8c\u8005\u672c\u8eab\u843d\u5728\u6b65\u9aa4 1 \u521d\u59cb\u533a\u95f4\u4e4b\u5916&#xff0c;\u5219\u4e0d\u6267\u884c\u8be5\u6b65\u7ea6\u675f\u3002<\/li>\n<li>\u5982\u679c\u5019\u9009\u533a\u95f4\u5728\u96c6\u5408<img decoding=\"async\" alt=\"(C_{CCT})\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020107-6aab49e368567.png\" \/>\u5185\u8de8\u5ea6\u8d85\u8fc7 3 \u4e2a\u8bc4\u4f30\u70b9&#xff0c;\u5219\u628a\u8ddd\u79bb 5500K \u66f4\u8fdc\u90a3\u4e00\u4fa7\u8fb9\u754c\u5411 5500K \u6536\u7f29&#xff0c;\u76f4\u5230\u533a\u95f4\u8de8\u5ea6\u53ea\u5269 3 \u4e2a\u8bc4\u4f30\u70b9\u3002<\/li>\n<li>\u5982\u679c\u5019\u9009\u533a\u95f4\u4e0d\u8db3 2 \u4e2a\u8bc4\u4f30\u70b9&#xff0c;\u5219\u5411 5500K \u65b9\u5411\u5411\u5916\u6269\u5c55\u533a\u95f4\u3002<\/li>\n<li>\u9009\u62e9 5500K \u4f5c\u4e3a\u53c2\u8003\u4e2d\u5fc3\u70b9\u7684\u539f\u56e0&#xff1a;\u8be5\u8272\u6e29\u63a5\u8fd1\u73b0\u5b9e\u7167\u660e\u8272\u5ea6\u7edf\u8ba1\u5e73\u5747\u503c&#xff1b;\u7b97\u6cd5\u5931\u6548\u65f6&#xff0c;\u8be5\u4e2d\u5fc3\u70b9\u5e26\u6765\u7684\u504f\u8272\u66f4\u7b26\u5408\u4eba\u773c\u89c6\u89c9\u5bb9\u5fcd\u7279\u6027\u3002\u4f8b\u5982\u771f\u5b9e\u8272\u6e29\u4f4e\u4e8e 5500K&#xff0c;\u82e5\u7b97\u6cd5\u4f30\u8ba1\u8272\u6e29\u504f\u9ad8&#xff0c;\u4f1a\u51fa\u73b0\u9ec4 \/ \u7ea2\u504f\u8272&#xff0c;\u4eba\u773c\u5bf9\u8fd9\u79cd\u504f\u8272\u63a5\u53d7\u5ea6\u9ad8\u4e8e\u84dd\u8272\u504f\u8272&#xff1b;\u540c\u7406&#xff0c;\u771f\u5b9e\u8272\u6e29\u9ad8\u4e8e 5500K&#xff0c;\u4f30\u8ba1\u504f\u9ad8\u5e26\u6765\u84dd\u504f\u8272\u76f8\u5bf9\u66f4\u5bb9\u6613\u88ab\u4eba\u773c\u63a5\u53d7\u3002<\/li>\n<h4>2.3 \u6b65\u9aa4 2&#xff1a;\u5c3d\u53ef\u80fd\u5bfb\u627e\u56fe\u50cf\u4e2d\u7684\u4e2d\u6027\u533a\u57df<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CCT \u641c\u7d22\u533a\u95f4\u7f29\u5c0f\u540e&#xff0c;\u5c31\u53ef\u4ee5\u5728\u56fe\u50cf\u4e2d\u641c\u7d22\u6f5c\u5728\u4e2d\u6027\u533a\u57df&#xff0c;\u4e2d\u6027\u7269\u4f53\u8272\u5ea6\u76f4\u63a5\u53cd\u6620\u7167\u660e\u8272\u5ea6\u3002\u4e2d\u6027\u533a\u57df\u641c\u7d22\u5728\u56fe\u50cf\u4f4e\u5206\u8fa8\u7387\u8868\u8fbe\u4e0a\u5b8c\u6210&#xff0c;\u79f0\u4e3a\u56fe\u50cf\u7f51\u683c&#xff0c;\u7531grid_width \u00d7 grid_height\u5747\u5300\u5206\u5757\u7ec4\u6210&#xff0c;\u8bb0\u4f5c\u7f51\u683cI\u3002\u7f51\u683c\u6bcf\u4e00\u5757<img decoding=\"async\" alt=\"(I(x,y))\" class=\"mathcode\" src=\"2026-09-17oe4argluc5t.png\" \/>\u4fdd\u5b58\u8be5\u5757\u5185\u672a\u9971\u548c\u50cf\u7d20 RGB \u5e73\u5747\u503c&#xff0c;\u540c\u65f6\u4fdd\u5b58\u5757\u5185\u9971\u548c\u50cf\u7d20\u5360\u603b\u50cf\u7d20\u7684\u6bd4\u4f8b\u3002\u5757\u53c2\u6570\u8bb0\u4f5c\\\\<img decoding=\"async\" alt=\"(I(x,y)_R\\\\),\\\\(I(x,y)_G\\\\),\\\\(I(x,y)_B\\\\),\\\\(I(x,y)_S)\" class=\"mathcode\" src=\"2026-09-17ldgbxr0ypc2.png\" \/>&#xff1b;RGB \u5411\u91cf<img decoding=\"async\" alt=\"(I(x,y)_{RGB}=[I(x,y)_R,I(x,y)_G,I(x,y)_B]^T)\" class=\"mathcode\" src=\"2026-09-175wgjyflwrcq.png\" \/>\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u964d\u5206\u8fa8\u7387\u4e00\u65b9\u9762\u964d\u4f4e\u8ba1\u7b97\u5f00\u9500&#xff0c;\u5206\u5757\u5e73\u5747\u8fd8\u53ef\u4ee5\u6291\u5236\u566a\u58f0&#xff1b;\u4f46\u7f51\u683c\u5206\u8fa8\u7387\u540c\u65f6\u51b3\u5b9a\u80fd\u591f\u68c0\u6d4b\u5230\u7684\u6700\u5c0f\u4e2d\u6027\u7269\u4f53\u5c3a\u5bf8\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5bf9\u6bcf\u4e00\u4e2a\u7f51\u683c\u5757<img decoding=\"async\" alt=\"(I(x,y))\" class=\"mathcode\" src=\"2026-09-17oe4argluc5t.png\" \/>&#xff0c;\u8ba1\u7b97\u8be5\u5757\u5c5e\u4e8e\u4e2d\u6027\u7269\u4f53\u7684\u53ef\u80fd\u6027\u3002\u603b\u4f3c\u7136\u6743\u91cd\u51fd\u6570:<img decoding=\"async\" alt=\"(w_T[I(x,y)])\" class=\"mathcode\" src=\"2026-09-17sut1h4bvqln.png\" \/>:<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"(w_{T}[I(x, y)] =w_{C}[I(x, y)] \\\\cdot w_{L}[I(x, y)], \\\\begin{cases} w_{C}[I(x, y)] \\\\in[0.0,1.0] \\\\\\\\ w_{L}[I(x, y)] \\\\in[0.0,1.0] \\\\end{cases})\" class=\"mathcode\" src=\"2026-09-17syztdghfew1.png\" \/>\u5f0f8<\/p>\n<p><img decoding=\"async\" alt=\"(w_C)\" class=\"mathcode\" src=\"2026-09-17urlncx5evid.png\" \/>\u4e3a\u8272\u5ea6\u7ef4\u5ea6\u4f3c\u7136&#xff0c;<img decoding=\"async\" alt=\"(w_L)\" class=\"mathcode\" src=\"2026-09-17epmu4kvhymh.png\" \/>\u4e3a\u4eae\u5ea6\u7ef4\u5ea6\u4f3c\u7136\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8272\u5ea6\u4f3c\u7136<img decoding=\"async\" alt=\"(w_C)\" class=\"mathcode\" src=\"2026-09-17urlncx5evid.png\" \/>\u4f9d\u636e\u56fe 7 \u7684\u76f8\u673a\u6807\u5b9a\u4fe1\u606f\u8ba1\u7b97\u3002\u56f4\u7ed5\u5e73\u5747\u7167\u660e\u8272\u5ea6\u8f68\u8ff9\u8bbe\u7f6e\u9ad8\u3001\u4e2d\u3001\u4f4e\u4f3c\u7136\u8fb9\u754c&#xff0c;\u518d\u7ed3\u5408 2.2 \u8282\u5f97\u5230\u7684 CCT \u533a\u95f4&#xff0c;\u628a\u8272\u5ea6\u5e73\u9762\u5212\u5206\u9ad8\u3001\u4e2d\u3001\u4f4e\u3001\u96f6\u4f3c\u7136\u533a\u57df&#xff0c;\u5206\u522b\u5bf9\u5e94\u6743\u91cd<img decoding=\"async\" alt=\"(w_{C,HIGH}=1.0\\\\),\\\\(w_{C,MED}=0.7\\\\),\\\\(w_{C,LOW}=0.1\\\\),\\\\(w_{C,ZERO}=0.0)\" class=\"mathcode\" src=\"2026-09-17tkam2ihisyt.png\" \/>&#xff0c;\u6743\u91cd\u6570\u503c\u901a\u8fc7\u5b9e\u9a8c\u8c03\u53c2\u5f97\u5230\u3002\u5757\u7684\u8272\u5ea6\u843d\u5728\u54ea\u4e2a\u533a\u57df&#xff0c;\u5c31\u4f7f\u7528\u5bf9\u5e94\u6743\u91cd\u3002\u5305\u542b\u9971\u548c\u50cf\u7d20\u7684\u5757\u76f4\u63a5\u820d\u5f03&#xff0c;\u9971\u548c\u50cf\u7d20\u5df2\u7ecf\u4e22\u5931\u771f\u5b9e\u8272\u5ea6&#xff1b;\u540c\u65f6\u9971\u548c\u9644\u8fd1\u50cf\u7d20\u8fd8\u53ef\u80fd\u53d7\u4f20\u611f\u5668\u50cf\u7d20\u6ea2\u51fa\u73b0\u8c61\u5f71\u54cd\u3002<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"2026-09-17nvxanrtxbfw.png\" \/><br \/>\n\u56fe 7 \u5e73\u5747\u7167\u660e\u8272\u5ea6\u8f68\u8ff9\u5468\u56f4\u7684\u9ad8\u3001\u4e2d\u3001\u4f4e\u4f3c\u7136\u8fb9\u754c<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u989c\u8272\u6052\u5e38\u7b97\u6cd5\u65e0\u6cd5\u83b7\u53d6\u771f\u5b9e\u7167\u660e\u5149\u8c31\u3001\u7269\u4f53\u5149\u8c31\u53cd\u5c04\u7387&#xff1b;\u5982\u679c\u53ef\u4ee5\u83b7\u53d6&#xff0c;\u4f30\u8ba1\u7167\u660e\u8272\u5ea6\u5c06\u53d8\u5f97\u5341\u5206\u7b80\u5355\u3002\u4e2d\u6027\u7269\u4f53\u5bf9\u6240\u6709\u53ef\u89c1\u5149\u6ce2\u6bb5\u53cd\u5c04\u5747\u7b49&#xff0c;\u4f20\u611f\u5668\u8f93\u51fa\u54cd\u5e94\u901a\u5e38\u4f1a\u9ad8\u4e8e\u7a84\u5e26\u53cd\u5c04\u7269\u4f53\u3002\u4eae\u5ea6\u4f3c\u7136<img decoding=\"async\" alt=\"(w_L)\" class=\"mathcode\" src=\"2026-09-17epmu4kvhymh.png\" \/>\u5c31\u5229\u7528\u8be5\u7279\u6027&#xff0c;\u7531\u5757\u4eae\u5ea6\u51b3\u5b9a\u3002\u5757\u4eae\u5ea6\u7531\u5757 RGB \u5747\u503c\u8ba1\u7b97&#xff1a;<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"(I(x, y)_{L}=\\\\frac{I(x, y)_{R}+I(x, y)_{G}+I(x, y)_{B}}{3} )\" class=\"mathcode\" src=\"2026-09-17kqa0xtdqrel.png\" \/>\u5f0f9<\/p>\n<p>\u4eae\u5ea6\u4f3c\u7136<img decoding=\"async\" alt=\"(w_L)\" class=\"mathcode\" src=\"2026-09-17epmu4kvhymh.png\" \/>&#xff1a;<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"(w_{L}[I(x,y)]=\\\\left\\\\{ \\\\begin{array}{ll} 1.0, &amp; LLimHi\\\\leq I(x,y)_{L} \\\\leq LLimMax\\\\\\\\ 0.7, &amp; LLimMed\\\\leq I(x,y)_{L}&lt;LLimHi \\\\\\\\ 0.3, &amp; LLimLo\\\\leq I(x,y)_{L}&lt;LLimMed \\\\end{array} \\\\right)\" class=\"mathcode\" src=\"2026-09-175dmmzhwaxie.png\" \/><\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0LLimMax\u9ed8\u8ba4\u53d6\u4eae\u5ea6\u6700\u5927\u503c&#xff1b;\u82e5\u4f20\u611f\u5668\u9ad8\u5149\u533a\u57df\u5b58\u5728\u660e\u663e\u975e\u7ebf\u6027&#xff0c;\u5219\u8981\u8c03\u4f4e\u8be5\u9608\u503c&#xff08;\u9971\u548c\u9644\u8fd1\u7ecf\u5e38\u51fa\u73b0&#xff09;\u3002\u5b9e\u9a8c\u8bbe\u7f6eLLimHi\u3001LLimMed\u3001LLimLo\u5206\u522b\u53d6\u7f51\u683c\u56fe\u50cf\u6700\u5927\u4eae\u5ea6\u7684 75%\u300150%\u300120%\u3002<img decoding=\"async\" alt=\"(w_L)\" class=\"mathcode\" src=\"2026-09-17epmu4kvhymh.png\" \/>\u76f8\u5f53\u4e8e\u5728\u56fe 7 \u4e8c\u7ef4\u8272\u5ea6\u5e73\u9762\u589e\u52a0\u4eae\u5ea6\u7b2c\u4e09\u7ef4&#xff0c;\u4e09\u8005\u5171\u540c\u5224\u5b9a\u5206\u5757\u5c5e\u4e8e\u4e2d\u6027\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"2026-09-17qojk53zo25y.png\" \/><\/p>\n<p class=\"img-center\"><img decoding=\"async\" alt=\"\" src=\"2026-09-17lfaezsvllx2.png\" \/><\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u56fe 8\u201111 \u5c55\u793a\u4e24\u5f20\u6d4b\u8bd5\u56fe\u50cf\u4e2d\u6027\u533a\u57df\u68c0\u6d4b\u6548\u679c\u3002\u56fe 8 \u56fe\u50cf\u542b\u6709\u5927\u91cf\u4e2d\u6027\u533a\u57df&#xff0c;\u7ecf\u8fc7\u672c\u7b97\u6cd5\u767d\u5e73\u8861\u540e\u6548\u679c\u826f\u597d&#xff1b;\u56fe 9 \u6807\u8bb0\u68c0\u6d4b\u5230\u7684\u4e2d\u6027\u5757&#xff1a;\u7eff\u8272\u9ad8\u4f3c\u7136\u3001\u9ec4\u8272\u4e2d\u4f3c\u7136\u3001\u7ea2\u8272\u4f4e\u4f3c\u7136&#xff0c;\u5176\u4f59\u5224\u5b9a\u4e3a\u5f69\u8272\u533a\u57df\u3002\u53d7\u566a\u58f0\u3001\u76f8\u673a\u6a21\u7ec4\u8272\u5f69\u9634\u5f71\u6821\u6b63\u6b8b\u5dee\u3001CCT \u533a\u95f4\u9009\u62e9\u8bef\u5dee\u3001\u90e8\u5206\u4e2d\u6027\u5757\u4eae\u5ea6\u592a\u4f4e&#xff0c;\u90e8\u5206\u4e2d\u6027\u7269\u4f53\u6ca1\u6709\u88ab\u68c0\u51fa&#xff0c;\u4f46\u5df2\u7ecf\u8db3\u591f\u5b8c\u6210\u7cbe\u51c6\u767d\u5e73\u8861\u3002\u56fe 10 \u51e0\u4e4e\u770b\u4e0d\u5230\u660e\u663e\u4e2d\u6027\u7269\u4f53&#xff0c;\u4f46\u5c11\u91cf\u68c0\u6d4b\u7ed3\u679c\u4f9d\u65e7\u53ef\u4ee5\u5b9e\u73b0\u826f\u597d\u767d\u5e73\u8861&#xff1b;\u56fe 11 \u6807\u8bb0\u5176\u68c0\u6d4b\u51fa\u7684\u4e2d\u6027\u5757\u3002<\/p>\n<h4>2.4 \u6b65\u9aa4 3&#xff1a;\u8ba1\u7b97\u6700\u7ec8\u767d\u5e73\u8861\u589e\u76ca<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u57fa\u4e8e 2.3 \u8282\u68c0\u51fa\u7684\u4e2d\u6027\u533a\u57df&#xff0c;\u8ba1\u7b97\u7167\u660e\u8272\u5ea6\u4f30\u8ba1<img decoding=\"async\" alt=\"(\\\\vec c_A)\" class=\"mathcode\" src=\"2026-09-17u4vqumbwfa4.png\" \/>\u3002<img decoding=\"async\" alt=\"(\\\\vec c_A)\" class=\"mathcode\" src=\"2026-09-17u4vqumbwfa4.png\" \/>\u662f\u7f51\u683c\u5185\u6709\u6548\u5757\u7684\u52a0\u6743\u5e73\u5747\u8272\u5ea6&#xff0c;\u4ec5\u4f7f\u7528\u9971\u548c\u5360\u6bd4\u4e3a 0 \u7684\u5757&#xff1a;<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"(\\\\begin{aligned} \\\\vec{c}_{A} &amp; =\\\\left[\\\\begin{array}{l} x_{R} \/ x_{G} \\\\\\\\ x_{B} \/ x_{G} \\\\end{array}\\\\right],\\\\\\\\ \\\\left[\\\\begin{array}{l} x_{R} \\\\\\\\ x_{G} \\\\\\\\ x_{B} \\\\end{array}\\\\right] &amp; =\\\\frac{\\\\sum_{\\\\forall I(x, y) \\\\in I \\\\mid I(x, y)_{S}=0 \\\\%} w_{T}[I(x, y)] I(x, y)_{RGB}}{\\\\sum_{\\\\forall I(x, y) \\\\in I \\\\mid I(x, y)_{S}=0 \\\\%} w_{T}[I(x, y)]}. \\\\end{aligned})\" class=\"mathcode\" src=\"2026-09-175btyibsfxft.png\" \/>\u5f0f11<\/p>\n<p>\u5c06<img decoding=\"async\" alt=\"(\\\\vec c_A)\" class=\"mathcode\" src=\"2026-09-17u4vqumbwfa4.png\" \/>\u6295\u5f71\u5230\u9ad8\u4f3c\u7136\u8fb9\u754c\u5185&#xff0c;\u53d6\u6b27\u6c0f\u8ddd\u79bb\u6700\u8fd1\u70b9\u5f97\u5230<img decoding=\"async\" alt=\"(\\\\vec c_A&apos;)\" class=\"mathcode\" src=\"2026-09-17jmnyozgtr21.png\" \/>&#xff1b;\u5bf9\u7070\u5ea6\u4e16\u754c\u8272\u5ea6<img decoding=\"async\" alt=\"(\\\\vec c_{GW})\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260917020107-6aab49e385edf.png\" \/>\u505a\u540c\u6837\u6295\u5f71\u5f97\u5230<img decoding=\"async\" alt=\"(\\\\vec c_{GW}&apos;)\" class=\"mathcode\" src=\"2026-09-17tvaixyrrxcw.png\" \/>\u3002\u82e5\u539f\u59cb\u8272\u5ea6\u672c\u8eab\u5c31\u5728\u9ad8\u4f3c\u7136\u8fb9\u754c\u5185\u90e8&#xff0c;\u5219\u6295\u5f71\u70b9\u7b49\u4e8e\u539f\u59cb\u8272\u5ea6\u3002\u56fe 12 \u793a\u4f8b\u5c55\u793a<img decoding=\"async\" alt=\"(\\\\vec c_A\\\\),\\\\(\\\\vec c_A&apos;\\\\),\\\\(\\\\vec c_{GW}\\\\),\\\\(\\\\vec c_{GW}&apos;)\" class=\"mathcode\" src=\"2026-09-17rza3mk0ftwi.png\" \/>&#xff0c;\u540c\u65f6\u753b\u51fa CCT \u533a\u95f4\u4e0a\u4e0b\u9650<img decoding=\"async\" alt=\"(CCT_{HI}\\\\),\\\\(CCT_{LO})\" class=\"mathcode\" src=\"2026-09-17555gcrqkk5h.png\" \/>\u3002\u8be5\u4f8b\u5b50\u4e2d<img decoding=\"async\" alt=\"(\\\\vec c_{GW}&apos;)\" class=\"mathcode\" src=\"2026-09-17tvaixyrrxcw.png\" \/>\u8fd8\u53d7\u5230 2.2 \u8282 CCT \u5019\u9009\u533a\u95f4\u7ea6\u675f\u3002<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"2026-09-17wbtrsdmdt5k.png\" \/><br \/>\n\u56fe 12 \u7167\u660e\u8272\u5ea6\u4f30\u8ba1\u3001\u6295\u5f71\u3001CCT \u533a\u95f4\u793a\u610f\u56fe<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6700\u7ec8\u7167\u660e\u8272\u5ea6\u4f30\u8ba1<img decoding=\"async\" alt=\"(\\\\vec c_F\\\\),\\\\(\\\\vec c_A\\\\),\\\\(\\\\vec c_A&apos;\\\\),\\\\(\\\\vec c_{GW}&apos;)\" class=\"mathcode\" src=\"2026-09-17xozdrtwhfnm.png\" \/>\u7684\u52a0\u6743\u6c42\u548c&#xff0c;\u89c1\u516c\u5f0f (12)\u2011(16)\u3002\u903b\u8f91\u4e3a&#xff1a;\u68c0\u51fa\u5927\u91cf\u53ef\u9760\u4e2d\u6027\u5757\u65f6&#xff0c;\u6743\u91cd\u4e3b\u8981\u7ed9\u5230<img decoding=\"async\" alt=\"(\\\\vec c_A)\" class=\"mathcode\" src=\"2026-09-17u4vqumbwfa4.png\" \/>&#xff1b;\u5f53\u4e2d\u6027\u5757\u6709\u6548\u6743\u91cd\u4e0b\u964d&#xff0c;\u9010\u6b65\u589e\u5927<img decoding=\"async\" alt=\"(\\\\vec c_A&apos;)\" 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