%圖片1~227的處理，即jp2k文件夾
fid?=?fopen（‘D:\database\LIVE\jp2k\info.txt‘）;
FC?=?textscan（fid‘%s%s%f‘）;
fclose（fid）;
src_image?=?FC{1};
dst_image?=?FC{2};
for?k=1:227
????src_name?=?[‘D:\database\LIVE\refimgs\‘?src_image{k}];
????dst_name?=?[‘D:\database\LIVE\jp2k\‘?dst_image{k}];
????img1=imread（src_name）;
????img2=imread（dst_name）;
????img1=rgb2gray（img1）;
????img2=rgb2gray（img2）;
????img1=double（img1）;
????img2=double（img2）;
????[mssim?ssim_map]?=?ssim_index（img1?img2）;
????ssim_results（k）=mssim;
end

%圖片228~460的處理，即jpeg文件夾
fid?=?fopen（‘D:\database\LIVE\jpeg\info.txt‘）;
FC?=?textscan（fid‘%s%s%f‘）;
fclose（fid）;
src_image?=?FC{1};
dst_image?=?FC{2};
for?k=228:460
????N=k-227;
????src_name?=?[‘D:\database\LIVE\refimgs\‘?src_image{N}];
????dst_name?=?[‘D:\database\LIVE\jpeg\‘?dst_image{N}];
????img1=imread（src_name）;
????img2=imread（dst_name）;
????img1=rgb2gray（img1）;
????img2=rgb2gray（img2）;
????img1=double（img1）;
????img2=double（img2）;
????[mssim?ssim_map]?=?ssim_index（img1?img2）;
????ssim_results（k）=mssim;
end

%圖片461~634的處理，即wn文件夾
fid?=?fopen（‘D:\database\LIVE\wn\info2.txt‘）;
FC?=?textscan（fid‘%s%s%f‘）;
fclose（fid）;
src_image?=?FC{1};
dst_image?=?FC{2};
for?k=461:634
????N=k-460;
????src_name?=?[‘D:\database\LIVE\refimgs\‘?src_image{N}];
????dst_name?=?[‘D:\database\LIVE\wn\‘?dst_image{N}