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Computing Perimeters of Regions in Images Represented by Quadtrees

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1 Author(s)
Samet, Hanan ; Department of Computer Science, University of Maryland, College Park, MD 20742.

An algorithm is presented for computing the total perimeter of a region in a binary image represented by a quadtree. The algorithm explores each segment of the boundary of the region once and only once. Analysis of the algorithm shows that its average execution time is proportional to the number of leaf nodes in the quadtree.

Published in:

Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:PAMI-3 ,  Issue: 6 )