资源简介

常见颜色校正算法,包括 Grey-World, Shades of Gray, max-RGB, and Grey-Edge,可正常运行。

资源截图

代码片段和文件信息

% shows example of illuminant estimation based on Grey-World Shades of
% Gray max-RGB and Grey-Edge algorithm


%some example images
input_im=double(imread(‘c:\matlab\work\train_he.bmp‘));
%input_im=double(imread(‘cow2.jpg‘));
%input_im=double(imread(‘dog3.jpg‘));

figure(1);imshow(uint8(input_im));
title(‘input image‘);

% Grey-World
[wRwGwBout1]=general_cc(input_im010);
figure(2);imshow(uint8(out1));
title(‘Grey-World‘);
%imwrite(uint8(out1)‘c:\matlab\work\images\nighttime images\411.jpg‘);
% max-RGB
[wRwGwBout2]=general_cc(input_im0-10);
figure(3);imshow(uint8(out2));
title(‘max-RGB‘);
%imwrite(uint8(out2)‘c:\matlab\work\images\nighttime images\412.jpg‘);
% Shades of Grey
mink_norm=5;    % any number between 1 and infinity
[wRwGwBout3]=general_cc(input_im0mink_norm0);
figure(4);imshow(uint8(out3));
title(‘Shades of Grey‘);
%imwrite(uint8(out3)‘c:\matlab\work\images\nighttime images\413.jpg‘);
% Grey-Edge
mink_norm=5;    % any number between 1 and infinity
sigma=2;        % sigma 
diff_order=1;   % differentiation order (1 or 2)

[wRwGwBout4]=general_cc(input_imdiff_ordermink_normsigma);
figure(5);imshow(uint8(out4));
title(‘Grey-Edge‘);
imwrite(uint8(out2)‘c:\matlab\work\images\nighttime images\414.jpg‘);

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2015-06-10 22:23  ColorConstancy\
     文件       71519  2007-03-25 20:20  ColorConstancy\building1.jpg
     文件       23207  2007-05-16 15:48  ColorConstancy\building1_cc.jpg
     文件        1294  2015-06-10 10:22  ColorConstancy\ColorConstancyDemo.m
     文件       48214  2007-03-25 20:21  ColorConstancy\cow2.jpg
     文件         303  2005-10-19 11:23  ColorConstancy\dilation33.m
     文件       48346  2007-03-25 20:21  ColorConstancy\dog3.jpg
     文件        1143  2005-06-10 15:33  ColorConstancy\fill_border.m
     文件         974  2006-08-08 17:18  ColorConstancy\gDer.m
     文件        3143  2007-05-16 14:35  ColorConstancy\general_cc.m
     文件         830  2007-05-16 14:12  ColorConstancy\norm_derivative.m
     文件         411  2005-04-29 15:14  ColorConstancy\set_border.m

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