An improved method to compute the convex
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Y. Zimmer; R. Tepper; S. Akselrod
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Article
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1997
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Elsevier Science
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English
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A simple method for obtaining the convex hull of a shape, which generates an octagonal approximation, is based on repeatedly filling the central pixel in all 3 x 3 neighborhoods which show a concavity. We propose an extension of this technique that uses larger windows and yields improved results. Th