This paper deals with the terrain classification problem for autonomous service robots in semi-structured outdoor environments. The aim is to recognize the drivable terrain in front of a robot that navigates on roads of different surfaces, avoiding areas that are considered non-drivable. Since the system should be robust to such factors as changing lighting conditions, mud and fallen leaves, we employ multi-sensor perception with a monocular camera and a 2D laser scanner. The labeling of the terrain obtained from a Random Trees classifier is refined by context-aware inference using the Conditional Random Field. We demonstrate that automatic learning of the parameters for Conditional Random Fields improves results in comparison to similar approaches without the context-aware inference or with parameters set by hand.
CITATION STYLE
Wietrzykowski, J., & Skrzypczyński, P. (2019). Context-aware recognition of drivable terrain with automated parameters estimation. In Advances in Intelligent Systems and Computing (Vol. 867, pp. 626–638). Springer Verlag. https://doi.org/10.1007/978-3-030-01370-7_49
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