clc; clear all; close all;
db = fullfile(matlabroot,'toolbox\images\imdata');
files = ls(fullfile(db, '*.jpg'));
NumberOfImages = min(5,size(files,1));
%% Save Images to the Directory
I={};
for kk = 1:NumberOfImages
I{kk} = imread(fullfile(db, strtrim(files(kk,:))));
end
%% Compare Images
SSIM_A = [];
for kk = 1:NumberOfImages
for ss = 1:NumberOfImages
if kk == ss
continue;
end
a = I{kk}; b = I{ss};
if ndims(a) == 2
a = cat(3, a, a, a);
end
if ndims(b) == 2
b = cat(3, b, b, b);
end
if ~isequal(size(a), size(b))
b = imresize(b, [size(a,1) size(a,2)], 'bilinear');
end
if ~isa(a,'uint8')
a = im2uint8(a);
end
if ~isa(b,'uint8')
b = im2uint8(b);
end
SSIM_A(kk,ss) = ssim(a,b);
end
end
%% Remove self comparsion
%% Compare
for kk = 1:NumberOfImages
[Maximum_Image_kk,Index_Image_kk] = max(SSIM_A(kk,:));
fprintf('\n%d image, the max ssim is %d and the value is %.2f', kk, Index_Image_kk, Maximum_Image_kk);
end
result
1 image, the max ssim is 5 and the value is 0.17
2 image, the max ssim is 4 and the value is 0.18
3 image, the max ssim is 2 and the value is 0.15
4 image, the max ssim is 5 and the value is 0.24
5 image, the max ssim is 4 and the value is 0.24
