How to get pixel values from a selected image window

Hi everyone,

I am trying to get all the pixel values from a rectangle region

Answer 1

[Image Analyst]

First of all, x is column, and y is row - not vice versa like you have it. So to get a 5-by-5block of pixels, a subimage, around an x,y location, you can use indexing:

subImage5x5 = fullImage(y-2:y+2, x-2:x+2);