【图像融合】基于matlab加权图像融合【含Matlab源码 722期】

一、简介

基于matlab加权图像融合

二、源代码

clear
g_R=0;
g_G=0;
g_B=0;
h_R=0;
h_G=0;
h_B=0;
fenzi_R=0;
fenzi_G=0;
fenzi_B=0;
fenmu_up_R=0;
fenmu_up_G=0;
fenmu_up_B=0;
fenmu_low_R=0;
fenmu_low_G=0;
fenmu_low_B=0;
tableR=[];
tableG=[];
tableB=[];
up=imread('high.jpg');         %读图像
low=imread('low.jpg');

figure(1)
imshow(up);                                     %读RGB数值

[M,N,color]=size(up);

title('加权-RGB表示的高分辨率图像');

figure(2)
imshow(low); 
title('加权-RGB表示的低分辨率图像');
r=double(up(:,:,1));
g=double(up(:,:,2));
b=double(up(:,:,3));
r_low=double(low(:,:,1));
g_low=double(low(:,:,2));
b_low=double(low(:,:,3));
RGB(:,:,1)=0.5*r+0.5*r_low;
RGB(:,:,2)=0.5*g+0.5*g_low;
RGB(:,:,3)=0.5*b+0.5*b_low;
R=RGB(:,:,1);
G=RGB(:,:,2);
B=RGB(:,:,3);
RGB=uint8(round(RGB));   
figure(3)
imshow(RGB)
title('加权-RGB转化后的图像');




              %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
              %                       下面是计算平均梯度G                          %
              %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     


for ii=1:M-1
    for jj=1:N-1
        g_R=g_R+sqrt((((r(ii+1,jj)-r(ii,jj))^2+(r(ii,jj+1)-r(ii,jj))^2))/2);
        g_G=g_G+sqrt((((g(ii+1,jj)-g(ii,jj))^2+(g(ii,jj+1)-g(ii,jj))^2))/2);
        g_B=g_B+sqrt((((b(ii+1,jj)-b(ii,jj))^2+(b(ii,jj+1)-b(ii,jj))^2))/2);

    end
end
fprintf('\n\n   highR的清晰度为:%.4f\n   highG的清晰度为:%.4f\n   highG的清晰度为:%.4f',...
            g_R/(M-1)/(N-1),g_G/(M-1)/(N-1),g_B/(M-1)/(N-1));              
              
g_R=0;
g_G=0;
g_B=0;
              

for ii=1:M-1
    for jj=1:N-1
        g_R=g_R+sqrt((((r_low(ii+1,jj)-r_low(ii,jj))^2+(r_low(ii,jj+1)-r_low(ii,jj))^2))/2);
        g_G=g_G+sqrt((((g_low(ii+1,jj)-g_low(ii,jj))^2+(g_low(ii,jj+1)-g_low(ii,jj))^2))/2);
        g_B=g_B+sqrt((((b_low(ii+1,jj)-b_low(ii,jj))^2+(b_low(ii,jj+1)-b_low(ii,jj))^2))/2);

    end
end
fprintf('\n\n   lowR的清晰度为:%.4f\n   lowG的清晰度为:%.4f\n   lowG的清晰度为:%.4f',...
         g_R/(M-1)/(N-1),g_G/(M-1)/(N-1),g_B/(M-1)/(N-1));              
              
g_R=0;
g_G=0;
g_B=0;
      

for ii=1:M-1
    for jj=1:N-1
        g_R=g_R+sqrt((((R(ii+1,jj)-R(ii,jj))^2+(R(ii,jj+1)-R(ii,jj))^2))/2);
        g_G=g_G+sqrt((((G(ii+1,jj)-G(ii,jj))^2+(G(ii,jj+1)-G(ii,jj))^2))/2);
        g_B=g_B+sqrt((((B(ii+1,jj)-B(ii,jj))^2+(B(ii,jj+1)-B(ii,jj))^2))/2);

    end

三、运行结果

四、备注

版本：2014a