How to i known exactly contour on a surface of an object?

asked 2018-12-05 04:09:15 -0500

I have a image about banana leaf, and i want to identify the net of spider. It's white color. I have use some of method like threshold, RGB Inrange but it's not perfect in right way... Who can help me? i'm really appreciated....

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image ? code ? please show, else we can't help !

berak gravatar imageberak ( 2018-12-05 04:20:21 -0500 )edit