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How to filter with perimeter?

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Dominic
Dominic 2017-8-11
回答： Steven Lewis 2017-11-15
How could I reduce some object from above image by perimeter?
That is i want to keep those blobs which has the perimeter ratio between bbox and the object is 0.4 to 1.2.

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Steven Lewis
Steven Lewis 2017-11-15
You can use bwpropfilt with the perimeter attribute, then set the specific perimeter values you want.

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