% matlab彩色图像分离通道并合并成处理后的彩色图像（彩色变灰度再变彩色）

% 白平衡算法（灰度世界法）消除RGB受光照影响

clear all;

close all;

%读入原始图像

srcImage = imread('7.jpg');

figure,imshow(srcImage);

srcImageGray = rgb2gray(srcImage);

figure,imshow(srcImageGray);

%白平衡算法

R = srcImage(:,:,);

G = srcImage(:,:,);

B = srcImage(:,:,);

%求其各通道平均值及增益

Raver = mean(mean(R));

Gaver = mean(mean(G));

Baver = mean(mean(B));

K = (Raver+Gaver+Baver)/;

Kr = K/Raver;

Kg = K/Gaver;

Kb = K/Baver;

%更新RGB值

Rnew = R*Kr;

Gnew = G*Kg;

Bnew = B*Kb;

%合并通道

% [m,n,k] = size(srcImage);

% dstImage = zeros(m,n,k);

dstImage(:,:,) = Rnew;

dstImage(:,:,) = Gnew;

dstImage(:,:,) = Bnew;

figure,imshow(dstImage);

dstImageGray = rgb2gray(dstImage);

figure,imshow(dstImageGray);