Papers › A Maximum Likelihood Approach to Extract Polylines from 2-D Laser Range Scans

A Maximum Likelihood Approach to Extract Polylines from 2-D Laser Range Scans

23 Oct 2019arXiv:1910.10711links table onlyarchive 2025-07-28

Alexander Schaefer, Daniel Büscher, Lukas Luft, Wolfram Burgard

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Man-made environments such as households, offices, or factory floors are typically composed of linear structures. Accordingly, polylines are a natural way to accurately represent their geometry. In this paper, we propose a novel probabilistic method to extract polylines from raw 2-D laser range scans. The key idea of our approach is to determine a set of polylines that maximizes the likelihood of a given scan. In extensive experiments carried out on publicly available real-world datasets and on simulated laser scans, we demonstrate that our method substantially outperforms existing state-of-the-art approaches in terms of accuracy, while showing comparable computational requirements. Our implementation is available under https://github.com/acschaefer/ple.

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