Threshold for image segmentation ,can I use it for image detection?

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Sara Fadhil
Sara Fadhil 2022-9-9
回答： Image Analyst 2022-9-10
if I get threshold for image segmentation can I use it for edge detection

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Image Analyst
Image Analyst 2022-9-10
Yes, if your foregound and background can be divided by some threshold and you can use bwperim or bwboundaries. If you have edges both above and below some background/foreground threshold then you can use threshoding alone - you'd have to use an edge filter such as edge
See my Image Processing Tutorial in my File Exchange:
Image Analyst's File Exchange
Attach your image if you still need more help.

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