{"id":5415,"date":"2026-02-21T14:26:29","date_gmt":"2026-02-21T05:26:29","guid":{"rendered":"https:\/\/eternalsphere.net\/echoes\/?p=5415"},"modified":"2026-06-06T06:53:14","modified_gmt":"2026-06-05T21:53:14","slug":"bcr5anhiygghbql","status":"publish","type":"post","link":"https:\/\/eternalsphere.net\/echoes\/index.php\/2026\/02\/21\/bcr5anhiygghbql\/","title":{"rendered":"Color Constancy\uff08\u989c\u8272\u6052\u5e38\u6027\uff09\uff1a\u4ece\u89c6\u89c9\u673a\u5236\u5230\u8ba1\u7b97\u6a21\u578b\u7684\u7cfb\u7edf\u89e3\u6790"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www2.cs.sfu.ca\/~colour\/research\/fruit_collage.jpg\" alt=\"https:\/\/www2.cs.sfu.ca\/~colour\/research\/fruit_collage.jpg\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/b\/be\/Checker_shadow_illusion.svg\" alt=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/b\/be\/Checker_shadow_illusion.svg\" style=\"aspect-ratio:1.314795760880749\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.squarespace-cdn.com\/content\/v1\/6384b721bfb9485af63846fb\/85923d96-00f0-48a6-8f91-b807d4d459b5\/white-balance-landscape-photography-14.jpg\" alt=\"https:\/\/images.squarespace-cdn.com\/content\/v1\/6384b721bfb9485af63846fb\/85923d96-00f0-48a6-8f91-b807d4d459b5\/white-balance-landscape-photography-14.jpg\" \/><\/figure>\n<\/figure>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u95ee\u9898\u7684\u63d0\u51fa\uff1a\u4e3a\u4ec0\u4e48\u4e16\u754c\u770b\u8d77\u6765\u662f\u7a33\u5b9a\u7684\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u7269\u7406\u5c42\u9762\u4e0a\uff0c\u7269\u4f53\u5448\u73b0\u7684\u989c\u8272\u5e76\u4e0d\u662f\u56fa\u5b9a\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fdb\u5165\u4eba\u773c\u7684\u5149\u4fe1\u53f7\u53d6\u51b3\u4e8e\u4e24\u4e2a\u56e0\u7d20\uff1a<math display=\"block\"><semantics><mrow><mi>I<\/mi><mo stretchy=\"false\">(<\/mo><mi>\u03bb<\/mi><mo stretchy=\"false\">)<\/mo><mo>=<\/mo><mi>E<\/mi><mo stretchy=\"false\">(<\/mo><mi>\u03bb<\/mi><mo stretchy=\"false\">)<\/mo><mo>\u22c5<\/mo><mi>R<\/mi><mo stretchy=\"false\">(<\/mo><mi>\u03bb<\/mi><mo stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">I(\\lambda) = E(\\lambda) \\cdot R(\\lambda)<\/annotation><\/semantics><\/math>I(\u03bb)=E(\u03bb)\u22c5R(\u03bb)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><math><semantics><mrow><mi>I<\/mi><mo stretchy=\"false\">(<\/mo><mi>\u03bb<\/mi><mo stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">I(\\lambda)<\/annotation><\/semantics><\/math>I(\u03bb)\uff1a\u8fdb\u5165\u89c6\u7f51\u819c\u7684\u5149\u8c31\u80fd\u91cf<\/li>\n\n\n\n<li><math><semantics><mrow><mi>E<\/mi><mo stretchy=\"false\">(<\/mo><mi>\u03bb<\/mi><mo stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">E(\\lambda)<\/annotation><\/semantics><\/math>E(\u03bb)\uff1a\u5149\u6e90\u5149\u8c31\u5206\u5e03<\/li>\n\n\n\n<li><math><semantics><mrow><mi>R<\/mi><mo stretchy=\"false\">(<\/mo><mi>\u03bb<\/mi><mo stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">R(\\lambda)<\/annotation><\/semantics><\/math>R(\u03bb)\uff1a\u7269\u4f53\u8868\u9762\u53cd\u5c04\u7387<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u5149\u6e90\u53d8\u5316\uff08\u592a\u9633\u5149\u3001LED\u706f\u3001\u9634\u5f71\u73af\u5883\uff09\u65f6\uff0c<math><semantics><mrow><mi>E<\/mi><mo stretchy=\"false\">(<\/mo><mi>\u03bb<\/mi><mo stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">E(\\lambda)<\/annotation><\/semantics><\/math>E(\u03bb) \u4f1a\u660e\u663e\u6539\u53d8\uff0c\u56e0\u6b64 <math><semantics><mrow><mi>I<\/mi><mo stretchy=\"false\">(<\/mo><mi>\u03bb<\/mi><mo stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">I(\\lambda)<\/annotation><\/semantics><\/math>I(\u03bb) \u4e5f\u4f1a\u6539\u53d8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u800c\uff0c\u6211\u4eec\u4ecd\u7136\u4f1a\u8ba4\u4e3a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u82f9\u679c\u662f\u7ea2\u8272<\/li>\n\n\n\n<li>\u53f6\u5b50\u662f\u7eff\u8272<\/li>\n\n\n\n<li>\u7eb8\u5f20\u662f\u767d\u8272<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u80fd\u529b\u5c31\u662f <strong>Color Constancy\uff08\u989c\u8272\u6052\u5e38\u6027\uff09<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6838\u5fc3\u5b9a\u4e49<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Color Constancy \u662f\u6307\uff1a<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5728\u5149\u6e90\u53d8\u5316\u6761\u4ef6\u4e0b\uff0c\u4eba\u7c7b\u89c6\u89c9\u7cfb\u7edf\u5bf9\u7269\u4f53\u56fa\u6709\u989c\u8272\u7684\u7a33\u5b9a\u611f\u77e5\u80fd\u529b\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8d28\u4e0a\uff0c\u8fd9\u662f\u4e00\u4e2a<strong>\u4ece\u6df7\u5408\u4fe1\u53f7\u4e2d\u5206\u79bb\u53cd\u5c04\u7387\u7684\u8fc7\u7a0b<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u95ee\u9898\u5728\u4e8e\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u53ea\u89c2\u5bdf\u5230 <math><semantics><mrow><mi>I<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">I<\/annotation><\/semantics><\/math>I\uff0c\u5374\u60f3\u6c42 <math><semantics><mrow><mi>R<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">R<\/annotation><\/semantics><\/math>R\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u4e00\u4e2a\u5178\u578b\u7684\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6b20\u5b9a\u95ee\u9898\uff08ill-posed problem\uff09<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u7406\u8bba\u4e0a\u6ca1\u6709\u552f\u4e00\u89e3\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u89c6\u89c9\u7cfb\u7edf\u5982\u4f55\u5b9e\u73b0\u989c\u8272\u6052\u5e38\u6027\uff1f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1\ufe0f\u20e3 Retinex \u7406\u8bba<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531 Edwin Land \u63d0\u51fa\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6838\u5fc3\u601d\u60f3\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u989c\u8272\u4e0d\u662f\u7edd\u5bf9\u4eae\u5ea6\u51b3\u5b9a\uff0c\u800c\u662f\u901a\u8fc7\u90bb\u57df\u5bf9\u6bd4\u51b3\u5b9a\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u89c6\u89c9\u7cfb\u7edf\u4f1a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bd4\u8f83\u540c\u4e00\u7269\u4f53\u4e0d\u540c\u533a\u57df<\/li>\n\n\n\n<li>\u6bd4\u8f83\u7269\u4f53\u4e0e\u5468\u56f4\u80cc\u666f<\/li>\n\n\n\n<li>\u8ba1\u7b97\u6574\u4f53\u573a\u666f\u7684\u5e73\u5747\u8272\u8c03<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u4e00\u79cd<strong>\u7a7a\u95f4\u5bf9\u6bd4\u673a\u5236<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">2\ufe0f\u20e3 \u5149\u6e90\u5047\u8bbe\u673a\u5236<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u89c6\u89c9\u7cfb\u7edf\u9690\u542b\u5047\u8bbe\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5149\u6e90\u901a\u5e38\u63a5\u8fd1\u201c\u767d\u5149\u201d<\/li>\n\n\n\n<li>\u573a\u666f\u4e2d\u5b58\u5728\u63a5\u8fd1\u767d\u8272\u7684\u53c2\u8003\u7269\u4f53<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e0e\u76f8\u673a\u4e2d\u7684\u201c\u767d\u5e73\u8861\u201d\u7b97\u6cd5\u7c7b\u4f3c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">3\ufe0f\u20e3 \u8bb0\u5fc6\u989c\u8272\u673a\u5236\uff08Memory Color\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5bf9\u67d0\u4e9b\u7269\u4f53\u5177\u6709\u989c\u8272\u5148\u9a8c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9999\u8549\u5e94\u4e3a\u9ec4\u8272<\/li>\n\n\n\n<li>\u5929\u7a7a\u5e94\u4e3a\u84dd\u8272<\/li>\n\n\n\n<li>\u4eba\u8138\u5e94\u4e3a\u80a4\u8272<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u89c6\u89c9\u8f93\u5165\u504f\u79bb\u7ecf\u9a8c\u8fc7\u591a\uff0c\u5927\u8111\u4f1a\u81ea\u52a8\u8fdb\u884c\u8865\u507f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u7ecf\u5178\u89c6\u89c9\u73b0\u8c61<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1\ufe0f\u20e3 Checker Shadow Illusion<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531 Edward Adelson \u8bbe\u8ba1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9634\u5f71\u4e2d\u7684\u65b9\u5757\u4e0e\u975e\u9634\u5f71\u533a\u57df\u7684\u65b9\u5757\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9e\u9645\u50cf\u7d20\u503c\u76f8\u540c<\/li>\n\n\n\n<li>\u611f\u77e5\u4eae\u5ea6\u4e0d\u540c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a\u5927\u8111\u81ea\u52a8\u6263\u9664\u4e86\u201c\u9634\u5f71\u5149\u6e90\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">2\ufe0f\u20e3 \u201cThe Dress\u201d \u73b0\u8c61<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f51\u7edc\u5e7f\u6cdb\u4f20\u64ad\u7684\u88d9\u5b50\u56fe\u7247\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6709\u4eba\u770b\u5230\u84dd\u9ed1<\/li>\n\n\n\n<li>\u6709\u4eba\u770b\u5230\u767d\u91d1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u56e0\u5728\u4e8e\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u540c\u89c2\u5bdf\u8005\u5bf9\u5149\u6e90\u7684\u5047\u8bbe\u4e0d\u540c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u8bf4\u660e\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Color Constancy \u5e76\u975e\u56fa\u5b9a\u7b97\u6cd5\uff0c\u800c\u662f\u4f9d\u8d56\u63a8\u65ad\u673a\u5236\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u4e09\u901a\u9053\u7ebf\u6027\u6a21\u578b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8ba1\u7b97\u673a\u89c6\u89c9\u4e2d\u5e38\u4f7f\u7528\u7b80\u5316 RGB \u6a21\u578b\uff1a<math display=\"block\"><semantics><mrow><msub><mi>I<\/mi><mi>c<\/mi><\/msub><mo>=<\/mo><msub><mi>E<\/mi><mi>c<\/mi><\/msub><mo>\u22c5<\/mo><msub><mi>R<\/mi><mi>c<\/mi><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">I_c = E_c \\cdot R_c<\/annotation><\/semantics><\/math>Ic\u200b=Ec\u200b\u22c5Rc\u200b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><math><semantics><mrow><mi>c<\/mi><mo>\u2208<\/mo><mo stretchy=\"false\">{<\/mo><mi>R<\/mi><mo separator=\"true\">,<\/mo><mi>G<\/mi><mo separator=\"true\">,<\/mo><mi>B<\/mi><mo stretchy=\"false\">}<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">c \\in \\{R,G,B\\}<\/annotation><\/semantics><\/math>c\u2208{R,G,B}<\/li>\n\n\n\n<li><math><semantics><mrow><msub><mi>I<\/mi><mi>c<\/mi><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">I_c<\/annotation><\/semantics><\/math>Ic\u200b\uff1a\u89c2\u6d4b\u503c<\/li>\n\n\n\n<li><math><semantics><mrow><msub><mi>E<\/mi><mi>c<\/mi><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">E_c<\/annotation><\/semantics><\/math>Ec\u200b\uff1a\u5149\u6e90\u5f3a\u5ea6<\/li>\n\n\n\n<li><math><semantics><mrow><msub><mi>R<\/mi><mi>c<\/mi><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">R_c<\/annotation><\/semantics><\/math>Rc\u200b\uff1a\u53cd\u5c04\u7387<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u82e5\u4f30\u8ba1\u51fa\u5149\u6e90 <math><semantics><mrow><mover accent=\"true\"><msub><mi>E<\/mi><mi>c<\/mi><\/msub><mo>^<\/mo><\/mover><\/mrow><annotation encoding=\"application\/x-tex\">\\hat{E_c}<\/annotation><\/semantics><\/math>Ec\u200b^\u200b\uff0c\u5219\uff1a<math display=\"block\"><semantics><mrow><mover accent=\"true\"><msub><mi>R<\/mi><mi>c<\/mi><\/msub><mo>^<\/mo><\/mover><mo>=<\/mo><mfrac><msub><mi>I<\/mi><mi>c<\/mi><\/msub><mover accent=\"true\"><msub><mi>E<\/mi><mi>c<\/mi><\/msub><mo>^<\/mo><\/mover><\/mfrac><\/mrow><annotation encoding=\"application\/x-tex\">\\hat{R_c} = \\frac{I_c}{\\hat{E_c}}<\/annotation><\/semantics><\/math>Rc\u200b^\u200b=Ec\u200b^\u200bIc\u200b\u200b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u95ee\u9898\u8f6c\u5316\u4e3a\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5982\u4f55\u4f30\u8ba1\u5149\u6e90\u5411\u91cf\uff1f<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u5e38\u89c1\u7b97\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1\ufe0f\u20e3 Gray World \u5047\u8bbe<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6574\u4e2a\u573a\u666f\u7684\u5e73\u5747\u989c\u8272\u5e94\u4e3a\u7070\u8272\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u8ba1\u7b97\u56fe\u50cf\u5e73\u5747 RGB \u6765\u4f30\u8ba1\u5149\u6e90\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f18\u70b9\uff1a\u7b80\u5355<br>\u7f3a\u70b9\uff1a\u5f53\u573a\u666f\u989c\u8272\u504f\u5411\u5355\u4e00\u8272\u8c03\u65f6\u5931\u6548<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">2\ufe0f\u20e3 White Patch \u5047\u8bbe<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u573a\u666f\u4e2d\u5b58\u5728\u6700\u4eae\u767d\u8272\u533a\u57df\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u6700\u5927\u50cf\u7d20\u503c\u4f30\u8ba1\u5149\u6e90\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u566a\u58f0\u654f\u611f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">3\ufe0f\u20e3 Retinex \u7b97\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u4e8e\u5bf9\u6570\u57df\u4e0e\u591a\u5c3a\u5ea6\u7a7a\u95f4\u5bf9\u6bd4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u63a5\u8fd1\u4eba\u7c7b\u89c6\u89c9\u673a\u5236\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">4\ufe0f\u20e3 \u6df1\u5ea6\u5b66\u4e60\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u4ee3\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CNN-based illumination estimation<\/li>\n\n\n\n<li>Transformer-based color correction<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u5927\u91cf\u6570\u636e\u5b66\u4e60\u5149\u6e90\u5206\u5e03\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f18\u70b9\uff1a\u7cbe\u5ea6\u9ad8<br>\u7f3a\u70b9\uff1a\u4f9d\u8d56\u6570\u636e\u5206\u5e03<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e03\u3001\u989c\u8272\u6052\u5e38\u6027\u7684\u7269\u7406\u4e0e\u8ba4\u77e5\u672c\u8d28<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u4ece\u4e09\u4e2a\u5c42\u6b21\u7406\u89e3\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2460 \u7269\u7406\u5c42<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u8c31\u5206\u89e3\u95ee\u9898<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2461 \u8ba1\u7b97\u5c42<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u89c2\u6d4b\u4fe1\u53f7\u4e2d\u4f30\u8ba1\u5149\u6e90<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2462 \u8ba4\u77e5\u5c42<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6784\u5efa\u7a33\u5b9a\u4e16\u754c\u6a21\u578b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u89c6\u89c9\u7cfb\u7edf\u5e76\u4e0d\u662f\u8ffd\u6c42\u7269\u7406\u7cbe\u786e\uff0c\u800c\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6784\u5efa\u4e00\u4e2a\u7a33\u5b9a\u3001\u53ef\u9884\u6d4b\u7684\u73af\u5883\u8868\u5f81\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516b\u3001\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Color Constancy \u5f71\u54cd\u5e7f\u6cdb\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u76f8\u673a\u81ea\u52a8\u767d\u5e73\u8861<\/li>\n\n\n\n<li>\u5de5\u4e1a\u89c6\u89c9\u68c0\u6d4b<\/li>\n\n\n\n<li>\u533b\u7597\u5f71\u50cf\u5206\u6790<\/li>\n\n\n\n<li>\u81ea\u52a8\u9a7e\u9a76\u611f\u77e5<\/li>\n\n\n\n<li>\u98df\u54c1\u989c\u8272\u8d28\u91cf\u68c0\u6d4b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4e0d\u505a\u6821\u6b63\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u4e00\u7269\u4f53\u5728\u4e0d\u540c\u5149\u6e90\u4e0b\u4f1a\u88ab\u8bef\u5224\u4e3a\u4e0d\u540c\u7c7b\u522b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e5d\u3001\u4e00\u4e2a\u66f4\u6df1\u5c42\u7406\u89e3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u89c6\u89c9\u7cfb\u7edf\u5728\u89e3\u51b3\u4e00\u4e2a\u6839\u672c\u95ee\u9898\uff1a<math display=\"block\"><semantics><mrow><mtext>\u5982\u4f55\u533a\u5206\u201c\u7269\u4f53\u5c5e\u6027\u201d\u4e0e\u201c\u73af\u5883\u5f71\u54cd\u201d\uff1f<\/mtext><\/mrow><annotation encoding=\"application\/x-tex\">\\text{\u5982\u4f55\u533a\u5206\u201c\u7269\u4f53\u5c5e\u6027\u201d\u4e0e\u201c\u73af\u5883\u5f71\u54cd\u201d\uff1f}<\/annotation><\/semantics><\/math>\u5982\u4f55\u533a\u5206\u201c\u7269\u4f53\u5c5e\u6027\u201d\u4e0e\u201c\u73af\u5883\u5f71\u54cd\u201d\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e0d\u4ec5\u662f\u89c6\u89c9\u95ee\u9898\uff0c\u4e5f\u662f\u8ba4\u77e5\u95ee\u9898\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u611f\u77e5\u5230\u7684\u201c\u7a33\u5b9a\u989c\u8272\u201d\u5176\u5b9e\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u7ecf\u8fc7\u63a8\u65ad\u540e\u7684\u7ed3\u679c\uff0c\u800c\u975e\u76f4\u63a5\u8f93\u5165\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5341\u3001\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Color Constancy \u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u4e2a\u7269\u7406\u5c42\u9762\u7684\u5206\u89e3\u95ee\u9898<\/li>\n\n\n\n<li>\u4e00\u4e2a\u6570\u5b66\u5c42\u9762\u7684\u6b20\u5b9a\u95ee\u9898<\/li>\n\n\n\n<li>\u4e00\u4e2a\u8ba4\u77e5\u5c42\u9762\u7684\u63a8\u65ad\u95ee\u9898<\/li>\n\n\n\n<li>\u4e00\u4e2a\u5de5\u7a0b\u5c42\u9762\u7684\u767d\u5e73\u8861\u95ee\u9898<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u89e3\u91ca\u4e86\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4ec0\u4e48\u4e16\u754c\u5728\u53d8\u5316\u5149\u6e90\u4e0b\u4ecd\u7136\u663e\u5f97\u7a33\u5b9a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u95ee\u9898\u7684\u63d0\u51fa\uff1a\u4e3a\u4ec0\u4e48\u4e16\u754c\u770b\u8d77\u6765\u662f\u7a33\u5b9a\u7684\uff1f \u5728\u7269\u7406\u5c42\u9762\u4e0a\uff0c\u7269\u4f53\u5448\u73b0\u7684\u989c\u8272\u5e76\u4e0d\u662f\u56fa\u5b9a\u7684\u3002 \u8fdb\u5165\u4eba\u773c\u7684\u5149\u4fe1\u53f7\u53d6\u51b3\u4e8e\u4e24\u4e2a\u56e0\u7d20\uff1aI(\u03bb)=E(\u03bb)\u22c5R(\u03bb)I(\\lambda) = E(\\lambda) \\cdot R(\\lambda)I(\u03bb)=E(\u03bb)\u22c5R(\u03bb) \u5176\u4e2d\uff1a \u5f53\u5149\u6e90\u53d8\u5316\uff08\u592a\u9633\u5149\u3001LED\u706f\u3001\u9634\u5f71\u73af\u5883\uff09\u65f6\uff0cE(\u03bb)E(\\lambda)E(\u03bb) \u4f1a\u660e\u663e\u6539\u53d8\uff0c\u56e0\u6b64 I(\u03bb)I(\\lambda)I(\u03bb) \u4e5f\u4f1a\u6539\u53d8\u3002 \u7136\u800c\uff0c\u6211\u4eec\u4ecd\u7136\u4f1a\u8ba4\u4e3a\uff1a \u8fd9\u79cd\u80fd\u529b\u5c31\u662f Color Constancy\uff08\u989c\u8272\u6052\u5e38\u6027\uff09\u3002 \u4e8c\u3001\u6838\u5fc3\u5b9a\u4e49 Color Constancy \u662f\u6307\uff1a \u5728\u5149\u6e90\u53d8\u5316\u6761\u4ef6\u4e0b\uff0c\u4eba\u7c7b\u89c6\u89c9\u7cfb\u7edf\u5bf9\u7269\u4f53\u56fa\u6709\u989c\u8272\u7684\u7a33\u5b9a\u611f\u77e5\u80fd\u529b\u3002 \u672c\u8d28\u4e0a\uff0c\u8fd9\u662f\u4e00\u4e2a\u4ece\u6df7\u5408\u4fe1\u53f7\u4e2d\u5206\u79bb\u53cd\u5c04\u7387\u7684\u8fc7\u7a0b\u3002 \u4f46\u95ee\u9898\u5728\u4e8e\uff1a \u6211\u4eec\u53ea\u89c2\u5bdf\u5230 III\uff0c\u5374\u60f3\u6c42 RRR\u3002 \u8fd9\u662f\u4e00\u4e2a\u5178\u578b\u7684\uff1a \u6b20\u5b9a\u95ee\u9898\uff08ill-posed problem\uff09 \u7406\u8bba\u4e0a\u6ca1\u6709\u552f\u4e00\u89e3\u3002 \u4e09\u3001\u89c6\u89c9\u7cfb\u7edf\u5982\u4f55\u5b9e\u73b0\u989c\u8272\u6052\u5e38\u6027\uff1f 1\ufe0f\u20e3 Retinex \u7406\u8bba \u7531 Edwin Land \u63d0\u51fa\u3002 \u6838\u5fc3\u601d\u60f3\uff1a \u989c\u8272\u4e0d\u662f\u7edd\u5bf9\u4eae\u5ea6\u51b3\u5b9a\uff0c\u800c\u662f\u901a\u8fc7\u90bb\u57df\u5bf9\u6bd4\u51b3\u5b9a\u3002 \u89c6\u89c9\u7cfb\u7edf\u4f1a\uff1a \u8fd9\u662f\u4e00\u79cd\u7a7a\u95f4\u5bf9\u6bd4\u673a\u5236\u3002 2\ufe0f\u20e3 \u5149\u6e90\u5047\u8bbe\u673a\u5236 \u89c6\u89c9\u7cfb\u7edf\u9690\u542b\u5047\u8bbe\uff1a \u8fd9\u4e0e\u76f8\u673a\u4e2d\u7684\u201c\u767d\u5e73\u8861\u201d\u7b97\u6cd5\u7c7b\u4f3c\u3002 3\ufe0f\u20e3 \u8bb0\u5fc6\u989c\u8272\u673a\u5236\uff08Memory Color\uff09 \u6211\u4eec\u5bf9\u67d0\u4e9b\u7269\u4f53\u5177\u6709\u989c\u8272\u5148\u9a8c\uff1a &hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[184],"tags":[],"class_list":["post-5415","post","type-post","status-publish","format-standard","hentry","category-nrhuuobi89dzjr0"],"_links":{"self":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/comments?post=5415"}],"version-history":[{"count":4,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5415\/revisions"}],"predecessor-version":[{"id":5426,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5415\/revisions\/5426"}],"wp:attachment":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/media?parent=5415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/categories?post=5415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/tags?post=5415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}