Papers › Area Graph: Generation of Topological Maps using the Voronoi Diagram

Area Graph: Generation of Topological Maps using the Voronoi Diagram

1 Oct 2019arXiv:1910.01019links table onlyarchive 2025-07-28

Jiawei Hou, Yijun Yuan, Sören Schwertfeger

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Representing a scanned map of the real environment as a topological structure is an important research topic in robotics. Since topological representations of maps save a huge amount of map storage space and online computing time, they are widely used in fields such as path planning, map matching, and semantic mapping. We use a topological map representation, the Area Graph, in which the vertices represent areas and edges represent passages. The Area Graph is developed from a pruned Voronoi Graph, the Topology Graph. We also employ a simple room detection algorithm to compensate the fact that the Voronoi Graph gets unstable in open areas. We claim that our area segmentation method is superior to state-of-the-art approaches in complex indoor environments and support this claim with a number of experiments.

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