How do I use the matlab image processing features to analyze the size difference of a tumor in a patient that has undergone treatment

I need to use matlab image processing to compare the size of a tumor before treatment and after treatment (images shown below), basically I just need to be able to measure the area of the tumor in each image and do a comparison between the two to see how much it has shrunk.

[Catherine Howell]

Can anyone offer any advice on how to do this? I am new to matlab so I am unfamiiar with the functions that can be used with the image processing toolbox

Answer 1

[Nishant Gupta]

You can use Image Segemeter app to segment the image using thresholding, for details follow this link:

https://www.mathworks.com/help/images/Segment-an-Image-Using-Thresholding.html

Then you can measure diffrent properties of image regions like 'area', 'eccentricity', etc. using regionprops function.