How to write a program that read block by block ?

I am having a matrix of size 512x512. Now I have to extract 16x16 blocks from the matrix and encode each of the blocks. Now there will be a total of 1024 blocks. How to write a program to extract each of the blocks?

Answer 1

[KSSV]

Refer this link:

https://in.mathworks.com/matlabcentral/answers/362262-i-have-a-32-32-matrix-i-want-to-take-mean-of-each-4-4-so-that-the-matrix-is-reduced-to-8-8-array