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Parallel algorithms for extracting ridges and ravines

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2 Author(s)
Runhe Huang ; Dept. of Comput. Software, Aizu Univ., Japan ; Kunii, T.L.

This paper proposes two parallel algorithms called an even region parallel algorithm (ERPA) and an even strip parallel algorithm (ESPA) respectively for extracting ridge and ravine geometric features of a surface. The parallel programs were implemented on a GCcl-1/64 T805 transputer based parallel machine with maximum 64 transputers. The performance of these two algorithms are reported and analyzed in respect of a load balance problem and communication overheads. The efficiency and speed-up versus the number of transputers used and the problem size chosen are shown and discussed

Published in:

Parallel Algorithms/Architecture Synthesis, 1995. Proceedings., First Aizu International Symposium on

Date of Conference:

15-17 Mar 1995