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Rapid preconditioning of data for accelerating convex hull algorithms

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Cadenas Medina, J. and Megson, G. M. (2014) Rapid preconditioning of data for accelerating convex hull algorithms. Electronics Letters, 50 (4). pp. 270-272. ISSN 0013-5194 doi: 10.1049/el.2013.3507

Abstract/Summary

Given a dataset of two-dimensional points in the plane with integer coordinates, the method proposed reduces a set of n points down to a set of s points s ≤ n, such that the convex hull on the set of s points is the same as the convex hull of the original set of n points. The method is O(n). It helps any convex hull algorithm run faster. The empirical analysis of a practical case shows a percentage reduction in points of over 98%, that is reflected as a faster computation with a speedup factor of at least 4.

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Item Type Article
URI https://reading-clone.eprints-hosting.org/id/eprint/39797
Item Type Article
Refereed Yes
Divisions Science
Publisher Institution of Engineering and Technology (IET)
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