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comp.graphics.algorithms

Subject: Efficient algorithm for intersection of two sets of isocontours



Hello,

I have two images I1 and I2, and I have extracted the iso-contours from
each image, at various different intensity levels. Let the set of
iso-contours in I1 be called S1, and that from I2 be called S2. I need
an efficient algorithm to find intersection of S1 with S2, and return
me a list of polygons. Any references to existing code or papers?

Thanks,
---A


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