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\/>\nTarget_gray\u7684\u4e09\u79cd\u65b9\u5f0f<br \/>\n\u65b9\u5f0f\u4e00&#xff1a;Target_gray &#061; Max(R,G,B)<br \/>\n\u65b9\u5f0f\u4e8c&#xff1a;Target_gray &#061; 255,\u9488\u5bf98bit\u6df1\u5ea6\u7684\u56fe\u50cf<br \/>\n\u65b9\u5f0f\u4e09&#xff1a;Target_gray &#061; G_max<\/p>\n<p>\u4f2a\u4ee3\u7801&#xff1a;<br \/>\nfunction PerfectReflector(I, percentile&#061;99.9, T_mode&#061;&#039;max&#039;):<br \/>\n\u00a0 \u00a0 I_float &#061; float(I)<br \/>\n\u00a0 \u00a0 L_R &#061; percentile(I_float[:,:,0], percentile)<br \/>\n\u00a0 \u00a0 L_G &#061; percentile(I_float[:,:,1], percentile)<br \/>\n\u00a0 \u00a0 L_B &#061; percentile(I_float[:,:,2], percentile)<br \/>\n\u00a0 \u00a0\u00a0<br \/>\n\u00a0 \u00a0 if T_mode &#061;&#061; &#039;max&#039;:<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 T &#061; max(L_R, L_G, L_B)<br \/>\n\u00a0 \u00a0 elif T_mode &#061;&#061; &#039;255&#039;:<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 T &#061; 255<br \/>\n\u00a0 \u00a0 elif T_mode &#061;&#061; &#039;green&#039;:<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 T &#061; L_G<br \/>\n\u00a0 \u00a0\u00a0<br \/>\n\u00a0 \u00a0 g_R &#061; T \/ L_R<br \/>\n\u00a0 \u00a0 g_G &#061; T \/ L_G<br \/>\n\u00a0 \u00a0 g_B &#061; T \/ L_B<br \/>\n\u00a0 \u00a0\u00a0<br \/>\n\u00a0 \u00a0 out[:,:,0] &#061; I_float[:,:,0] * g_R<br \/>\n\u00a0 \u00a0 out[:,:,1] &#061; I_float[:,:,1] * g_G<br \/>\n\u00a0 \u00a0 out[:,:,2] &#061; I_float[:,:,2] * g_B<br \/>\n\u00a0 \u00a0\u00a0<br \/>\n\u00a0 \u00a0 out &#061; clip(out, 0, 255)<br \/>\n\u00a0 \u00a0 return uint8(out)<br \/>\n\u00a0\u00a0 \u00a0<br \/>\n\u56db\u3001\u5b8c\u7f8e\u53cd\u5c04\u6cd5\u7684\u6709\u6548\u533a\u95f4\u548c\u5c40\u9650\u6027<br \/>\n1.\u5b8c\u7f8e\u53cd\u5c04\u6cd5\u7684\u4f9d\u8d56\u6761\u4ef6\u6216\u8005\u5047\u8bbe\u6761\u4ef6<br \/>\n\u573a\u666f\u4e2d\u53c8\u767d\u8272\u7269\u4f53&#xff0c;\u8fd9\u79cd\u7b97\u6cd5\u6548\u679c\u624d\u597d&#xff1b;<br \/>\n\u5982\u679c\u573a\u666f\u4e0d\u5b58\u5728\u767d\u8272\u7269\u4f53&#xff0c;\u6216\u8005\u6ca1\u6709\u53cd\u5c04\u7387\u63a5\u8fd11\u7684\u50cf\u7d20&#xff0c;\u6700\u5927\u503c\u53ea\u80fd\u53cd\u6620\u6700\u4eae\u7269\u4f53\u7684\u989c\u8272&#xff0c;\u4f1a\u4f4e\u4f30\u5149\u6e90\u5f3a\u5ea6&#xff0c;\u5bfc\u81f4\u6821\u6b63\u4e0d\u8db3\u3002<br \/>\n2.\u4e0d\u540c\u901a\u9053\u7684\u6700\u5927\u503c\u6765\u81ea\u4e0d\u540c\u7269\u4f53&#xff0c;\u8fd9\u4e2a\u4f1a\u9020\u6210\u989c\u8272\u6821\u6b63\u9519\u8bef<br \/>\n\u4f8b\u5982\u7ea2\u8272\u7269\u4f53\u5728 R \u901a\u9053\u6700\u5927&#xff0c;\u84dd\u8272\u7269\u4f53\u5728 B \u901a\u9053\u6700\u5927&#xff0c;\u5bfc\u81f4\u5149\u6e90\u4f30\u8ba1\u989c\u8272\u9519\u8bef\u3002<br \/>\n3.\u566a\u58f0\u4e0e\u574f\u70b9&#xff1a;\u5355\u4e2a\u566a\u58f0\u50cf\u7d20\u53ef\u80fd\u6210\u4e3a\u6700\u5927\u503c&#xff0c;\u4ea7\u751f\u4e25\u91cd\u8272\u504f\u3002<br \/>\n\u566a\u58f0\u548c\u574f\u70b9\u4f1a\u5f71\u54cd\u5b8c\u7f8e\u53cd\u5c04\u6cd5&#xff0c;\u4f1a\u5bfc\u81f4\u7b97\u6cd5\u5931\u6548\u3002<br \/>\n4.\u8fc7\u66dd\u9971\u548c&#xff1a;\u5982\u679c\u5b8c\u7f8e\u53cd\u5c04\u4f53\u8fc7\u66dd&#xff0c;\u50cf\u7d20\u503c\u88ab\u622a\u65ad&#xff0c;\u65e0\u6cd5\u53cd\u6620\u771f\u5b9e\u5149\u6e90\u5f3a\u5ea6\u3002<br \/>\n5.\u5927\u9762\u79ef\u5355\u8272\u573a\u666f&#xff1a;\u5982\u7ea2\u8272\u5899\u58c1&#xff0c;R \u901a\u9053\u6700\u5927\u503c\u8fdc\u5927\u4e8e\u5176\u4ed6\u901a\u9053&#xff0c;\u5bfc\u81f4\u4e25\u91cd\u504f\u8272\u3002<br \/>\n6.\u591a\u5149\u6e90\u573a\u666f&#xff1a;\u4e0d\u540c\u533a\u57df\u5149\u6e90\u4e0d\u540c&#xff0c;\u5168\u5c40\u6700\u5927\u503c\u65e0\u6cd5\u4ee3\u8868\u5c40\u90e8\u5149\u6e90\u3002<\/p>\n<p>\n\u4e94\u3001\u7b97\u6cd5\u6539\u8fdb<br \/>\n1.\u9ad8\u767e\u5206\u4f4d\u5b8c\u7f8e\u53cd\u5c04\u6cd5&#xff1a;\u7528 99% \u6216 99.9% \u5206\u4f4d\u6570\u4ee3\u66ff\u6700\u5927\u503c&#xff0c;\u6291\u5236\u566a\u58f0\u548c\u574f\u70b9\u3002<br \/>\n2.\u5757\u72b6\u5b8c\u7f8e\u53cd\u5c04\u6cd5&#xff1a;\u5c06\u56fe\u50cf\u5206\u5757&#xff0c;\u6bcf\u5757\u53d6\u6700\u5927\u503c&#xff0c;\u518d\u5bf9\u8fd9\u4e9b\u503c\u53d6\u4e2d\u4f4d\u6570\u6216\u6295\u7968&#xff0c;\u5f97\u5230\u66f4\u7a33\u5065\u7684\u5149\u6e90\u4f30\u8ba1\u3002<br \/>\n3.\u9608\u503c\u5b8c\u7f8e\u53cd\u5c04\u6cd5&#xff1a;\u53ea\u8003\u8651\u4eae\u5ea6\u9ad8\u4e8e\u67d0\u9608\u503c\u7684\u50cf\u7d20&#xff0c;\u5728\u8fd9\u4e9b\u50cf\u7d20\u4e2d\u8ba1\u7b97\u901a\u9053\u5e73\u5747\u503c\u4f5c\u4e3a\u5149\u6e90\u4f30\u8ba1\u3002<br \/>\n4.\u5bf9\u6570\u57df\u5b8c\u7f8e\u53cd\u5c04\u6cd5&#xff1a;\u5728 log \u57df\u8ba1\u7b97&#xff0c;\u7ed3\u679c\u4e0e\u76f4\u63a5\u53d6\u6700\u5927\u503c\u7b49\u4ef7&#xff0c;\u4f46\u4fbf\u4e8e\u7ed3\u5408\u5176\u4ed6 Retinex \u65b9\u6cd5\u3002<br 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