example7_1.m

<小波分析理论与MATLAB 7实现>是“MATLAB应用技术”系列丛书之一

load xpmndrll
image(X2)
title('原始彩色索引图像')
colormap(map);
colorbar
%================================
%分解彩色索引图像为RGB分量
R=map(X2,1);
R=reshape(R,size(X2));
G=map(X2,2);
G=reshape(G,size(X2));
B=map(X2,3);
B=reshape(G,size(X2));
%================================
n=64;
X=round(Xrgb*(n-1))+1;
map2=gray(n);
figure(2);
image(X);
title('处理后的灰度级索引图像');
colormap(map2);
colorbar
%================================
baboon=X;
map=map2;
save baboon baboon map