3D LIDAR-based ground segmentation

Abstract
Obtaining a comprehensive model of large and complex ground typically is crucial for autonomous driving both in urban and countryside environments. This paper presents an improved ground segmentation method for 3D LIDAR point clouds. Our approach builds on a polar grid map, which is divided into some sectors, then 1D Gaussian process (GP) regression model and Incremental Sample Consensus (INSAC) algorithm is used to extract ground for every sector. Experiments are carried out at the autonomous vehicle in different outdoor scenes, and results are compared to those of the existing method. We show that our method can get more promising performance.

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