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Sparsification of Motion-Planning Roadmaps by Edge Contraction

We present Roadmap Sparsification by Edge Contraction (RSEC), a simple and effective algorithm for reducing the size of a motion-planning roadmap. The algorithm exhibits minimal effect on the quality of paths that can be extracted from the new roadmap. The primitive operation used by RSEC is edge contraction - the contraction of a roadmap edge to a single vertex and the connection of the new vertex to the neighboring vertices of the contracted edge. For certain scenarios, we compress more than 98% of the edges and vertices at the cost of degradation of average shortest path length by at most 2%.

preprint2012arXivOpen access
Doron ShaharabaniOren SalzmanPankaj K. AgarwalDan Halperin
Data Structures and AlgorithmsRobotics
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Open access4 authors2 topics
Imported metadata coverageMissing code, dataset, citation and institution fields are tracked without dominating the paper.Details
Citations: 0Reviews: 0Saves: 0Code: not linkedDataset: not linkedInstitutions: 0

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Doron ShaharabaniOren SalzmanPankaj K. AgarwalDan Halperin

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