Stereo Plane SLAM Based on Intersecting Lines

• URL: http://arxiv.org/abs/2008.08218v3
• Date: Thu, 29 Jul 2021 02:25:33 GMT
• Title: Stereo Plane SLAM Based on Intersecting Lines
• Authors: Xiaoyu Zhang, Wei Wang, Xianyu Qi and Ziwei Liao
• Abstract summary: Plane feature is stable landmark to reduce drift error in SLAM system. We propose a novel method to compute plane parameters using intersecting lines extracted from stereo image.
• Score: 10.892478925743967
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Plane feature is a kind of stable landmark to reduce drift error in SLAM system. It is easy and fast to extract planes from dense point cloud, which is commonly acquired from RGB-D camera or lidar. But for stereo camera, it is hard to compute dense point cloud accurately and efficiently. In this paper, we propose a novel method to compute plane parameters using intersecting lines which are extracted from the stereo image. The plane features commonly exist on the surface of man-made objects and structure, which have regular shape and straight edge lines. In 3D space, two intersecting lines can determine such a plane. Thus we extract line segments from both stereo left and right image. By stereo matching, we compute the endpoints and line directions in 3D space, and then the planes from two intersecting lines. We discard those inaccurate plane features in the frame tracking. Adding such plane features in stereo SLAM system reduces the drift error and refines the performance. We test our proposed system on public datasets and demonstrate its robust and accurate estimation results, compared with state-of-the-art SLAM systems. To benefit the research of plane-based SLAM, we release our codes at https://github.com/fishmarch/Stereo-Plane-SLAM.

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