Automatic LiDAR Extrinsic Calibration System using Photodetector and Planar Board for Large-scale Applications

• URL: http://arxiv.org/abs/2008.10542v1
• Date: Mon, 24 Aug 2020 16:28:40 GMT
• Title: Automatic LiDAR Extrinsic Calibration System using Photodetector and Planar Board for Large-scale Applications
• Authors: Ji-Hwan You, Seon Taek Oh, Jae-Eun Park, Azim Eskandarian, and Young-Keun Kim
• Abstract summary: This study proposes a new concept of a target board with embedded photodetector arrays, named the PD-target system, to find the precise position of the correspondence laser beams on the target surface. The experimental evaluation of the proposed system on low-resolution LiDAR showed that the LiDAR offset pose can be estimated within 0.1 degree and 3 mm levels of precision.
• Score: 110.32028864986918
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: This paper presents a novel automatic calibration system to estimate the extrinsic parameters of LiDAR mounted on a mobile platform for sensor misalignment inspection in the large-scale production of highly automated vehicles. To obtain subdegree and subcentimeter accuracy levels of extrinsic calibration, this study proposed a new concept of a target board with embedded photodetector arrays, named the PD-target system, to find the precise position of the correspondence laser beams on the target surface. Furthermore, the proposed system requires only the simple design of the target board at the fixed pose in a close range to be readily applicable in the automobile manufacturing environment. The experimental evaluation of the proposed system on low-resolution LiDAR showed that the LiDAR offset pose can be estimated within 0.1 degree and 3 mm levels of precision. The high accuracy and simplicity of the proposed calibration system make it practical for large-scale applications for the reliability and safety of autonomous systems.

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