function czeka=Czekonowsky(imgo,imgc)
img1=double(imread(imgo,'bmp'));
img2=double(imread(imgc,'bmp'));
[sizex sizey dim]=size(img1)
Rimg=img1(:,:,1);
Gimg=img1(:,:,2);
Bimg=img1(:,:,3);
RCimg=img2(:,:,1);
GCimg=img2(:,:,2);
BCimg=img2(:,:,3);
%canberra=sum(sum(abs(Rimg-RCimg)./abs(Rimg+RCimg+1)))+sum(sum(abs(Gimg-GCimg)./abs(Gimg+GCimg+1)))+sum(sum(abs(Bimg-BCimg)./abs(Bimg+BCimg+1)));
czeka=1-(2*sum(sum((min(Rimg,RCimg)+min(Gimg,GCimg)+min(Bimg,BCimg))))./sum(sum((Rimg+Gimg+Bimg+RCimg+GCimg+BCimg))));