How to trace (detect) the boundary changing under compression?
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I have attached the sample image. I would like the detect the outer boundary of the elastic object under compression. I have attemed to do that using blob measurement. In this case I could calculate the perimeter of the outer boundary. However under compression, the outer and inner boundary are getting mixed which I only wish the trace the outer boundary. In this case , blob measurment is getting failed. Can anyoone help me or sugges me a method to trace the boundary of the elastic object?
Thanks in advance.
Neuropragmatist il 6 Ago 2019
It seems like you have 3 regions; a light background a darker inner ring and then a really dark core.
You want to detect the inner ring but your function keeps mixing it up with the dark core? That just seems like a thresholding problem, why doesn't lowering your threshold work?
Can you give us an example of an image where your code did not work? And also maybe the code you are trying to use?