image_optimization.m

来自「量子遗传算法用于图象处理 量子遗传算法用于图象处理」· M 代码 · 共 24 行

function image_optimization()
cameraman=imread('cameraman.tif');
imhist(cameraman);
cameraman=double(cameraman);
[row,colume]=size(cameraman);
num_pixel=row*colume;
Lmax=max(max(cameraman));
Lmin=min(min(cameraman)); 
g_cameraman=(cameraman-Lmin)./(Lmax-Lmin);
alpha=5;
beta=10;
%[alpha,beta]=qga_image_opt(g_cameraman,row,colume,num_pixel);
sprintf('The final alpha is %d.',alpha)
sprintf('The final alpha is %d.',beta)
gc_cameraman=zeros(row,colume);
syms t;
for i=1:row
    for j=1:colume
       gc_cameraman(i,j)=double(int(t^(alpha-1)*(1-t)^(beta-1),t,0,g_cameraman(i,j))/int(t^(alpha-1)*(1-t)^(beta-1),t,0,1));
    end
end
cameraman=gc_cameraman.*(Lmax-Lmin)+Lmin;
figure,imhist(cameraman);
imwrite(uint8(cameraman),'cameramanopt.tif');