??? Index exceeds matrix dimensions.
Error Line: xir{num_imgs}(1,:) = x_i_r(results(2,:),1)./tc;
I guess the error is in x_i_r(results(2,:),1)
details:
xir ...
You can also select a web site from the following list:
How to Get Best Site Performance
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.