0001 0002 function m = mse(Im1,Im2) 0003 0004 Im1 = double(Im1); 0005 Im2 = double(Im2); 0006 0007 if ( (size(Im1,1) == size(Im2,1)) & (size(Im1,2) == size(Im2,2) ) ) 0008 m = sqrt( mean(mean( (Im1-Im2).^2))); 0009 else 0010 disp('images should be of the same size'); 0011 m = NaN; 0012 end