How to make changes in the code for determining grain size using Matlab?

I found the code in the internet to determine average grain size from the website https://wiki.aalto.fi/display/GSMUM/Grain+size+measurement+using+Matlab

Can someone help me what are the parameters need to be changed in the code to suit for the image above.

Thanks in advance.

Answer 1

[KALYAN ACHARJYA]

Have you gone though?

Recommended use of grain size parameters Find the way to get the volume-weighted average grain size d as fit in your data case as explained in the documentation.