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A multilayer self-organizing model for convex-hull computation

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3 Author(s)
Pal, S. ; Electron. & Commun. Sci. Unit, Indian Stat. Inst., Calcutta, India ; Datta, A. ; Pal, N.R.

A self-organizing neural-network model is proposed for computation of the convex-hull of a given set of planar points. The network evolves in such a manner that it adapts itself to the hull-vertices of the convex-hull. The proposed network consists of three layers of processors. The bottom layer computes some angles which are passed to the middle layer. The middle layer is used for computation of the minimum angle (winner selection). These information are passed to the topmost layer as well as fed back to the bottom layer. The network in the topmost layer self-organizes by labeling the hull-processors in an orderly fashion so that the final convex-hull is obtained from the topmost layer. Time complexity of the proposed model is analyzed and is compared with existing models of similar nature

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Neural Networks, IEEE Transactions on  (Volume:12 ,  Issue: 6 )