How can I find local maxima in an image in MATLAB?

Question

I have an image in MATLAB:

y = rgb2gray(imread(\'some_image_file.jpg\'));

and I want to do some processing on it:

pic = som         


        

Answer 1

bw = pic > imdilate(pic, [1 1 1; 1 0 1; 1 1 1]);