I need some tip or idea about the following image

asked 2018-11-13 14:45:40 -0500

Gabri gravatar image

Dear community: We need to detect the following points but i don't know how to detect them. We think, about different methods but i want to know the opinion of the community. We are thinking about to divide the image in subsections but i don't know how to do this in the correct way. For this reason i request to the community theis opinions about how to extract this points:

image description

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