how to extract ROI after segmenting in gray scale image

i have gray scale segmented image from which need to extract ventricle( or cerebellum) can any one guide in this work

Answer 1

[Bhavana Ravirala]

Refer the below link to get the information about different ways of finding Region of interest.

How can I extract pixel data from a RGB / Grayscale image by specifying a region of interest? - MATLAB Answers - MATLAB Central (mathworks.com)

Hope this helps!!