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A novel scalable parallel algorithm for finding optimal paths over heterogeneous terrain

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2 Author(s)
Maple, C. ; Dept. of Comput. & Inf. Syst., Luton Univ., UK ; Hitchcock, J.

The area of path planning has received a great deal of attention recently. Algorithms are required that can deliver optimal paths for robots to take over homogeneous or non-homogeneous terrain. Optimal paths may be those that involve the shortest distance travelled, the least number of turns or the least number of ascents and descents. The often highly complex nature of terrains and the necessity for realtime solutions have lead to a requirement for the development of parallel algorithms. Such problems have been notoriously difficult to parallelise efficiently; indeed it has been said that an efficiency of 25-60% should be considered a success. In this paper we present a parallel algorithm for finding optimal paths over non-homogeneous terrain that demonstrates superlinear speed-up.

Published in:

Information Visualisation, 2005. Proceedings. Ninth International Conference on

Date of Conference:

6-8 July 2005