How to extract the boundary of the cloud for the image
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Cris LaPierre 2023년 1월 14일
You might try the Color Thresholder App. This won't return the points of the cloud but instead a new image and a mask. It does allow you to interactively adjust the threshold settings.
Here are the resulting masked image and mask
Image Analyst 2023년 1월 14일
I don't even know where the cloud boundaries are exactly so I don't see a way to get that automatically. I think you're best off just having the user, with his or her expert knowledge, outline the region. See my attached demos.