Partial shape matching using convex hull and Fourier descriptors
Abstract
An application of Fourier descriptors and convex hull for shape analysis is presented. Convex hull is used for dividing a shape into small parts. Amplitude spectrum which is invariant to scaling, translation and choosing a starting point is obtained from the Fourier descriptors (see e.g [1-3]) and used for comparison. All calculations are performed with the author's software and some algorithms from literature [1,4]. For convex hull estimation the Graham algorithm is used.
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PDFDOI: http://dx.doi.org/10.17951/ai.2005.3.1.35-43
Date of publication: 2015-01-04 00:00:00
Date of submission: 2016-04-27 10:14:16
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