A Road Segmentation Method Based on Reorganized LiDAR Points and Line Scanning
THIRTEENTH INTERNATIONAL CONFERENCE ON DIGITAL IMAGE PROCESSING (ICDIP 2021)(2021)
摘要
Road segmentation is an important part of autonomous driving vehicles. Reliable road segmentation results are a prerequisite for autonomous driving tasks, e.g., path planning In this paper, we propose a road segmentation method based on 3D point cloud organization and line scanning of LiDAR data. Our model assumes that road areas are always flatter than non-road areas. First, we propose an adjacent-line-difference (ALD) feature to define the flatness of the point cloud. Using this feature, the approximate road area can be estimated. Then, we proposed a horizontal and vertical scanning strategy to obtain a more accurate road area. In order to prove the effectiveness of our method, experiments are conducted on the public KITTI-Road benchmark. The experimental results prove that the proposed approach can achieve one of the best performances among all LiDAR-based methods.
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关键词
Road segmentation,LiDAR,Adjacent-line-difference,Line scanning
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