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A new method to obtain chain codes from y-axis representation of a region in a binary image

โœ Scribed by Long-Wen Chang; Kuen-Long Leu


Publisher
Springer US
Year
1992
Tongue
English
Weight
317 KB
Volume
3
Category
Article
ISSN
0923-6082

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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