my image is gray scale image of 100*120. my programme is
*fun=@(x) x.*2; B = blkproc(I,[4 4],[1 1],fun);*
when i'm looking for 1st sub block it gives only a single number, it equals to the twice of (1,1) pixel value of original image. can't i get the twice of 1st 4*4 block.is it possible or not.