How do I code a sediment identifier or classifier by beach sand grain size using images?

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I need to develop a script that allows me, from images of beach sediment, to identify and classify grains by grain sizes.
I don't know how to do it or where to find it done.
Thank you

Answers (1)

Image Analyst
Image Analyst on 9 Aug 2022
I heard of a study that looked at beach sand in Alaska and was able to classify where (what river) each grain of sand came from. It used morphometrics and Fourier Shape Descriptions. Sorry, I have no MATLAB code that that.
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