Tracking from Patterns: Learning Corresponding Patterns in Point Clouds for 3D Object Tracking

• URL: http://arxiv.org/abs/2010.10051v1
• Date: Tue, 20 Oct 2020 06:07:20 GMT
• Title: Tracking from Patterns: Learning Corresponding Patterns in Point Clouds for 3D Object Tracking
• Authors: Jieqi Shi, Peiliang Li, Shaojie Shen
• Abstract summary: We propose to learn 3D object correspondences from temporal point cloud data and infer the motion information from correspondence patterns. Our method exceeds the existing 3D tracking methods on both the KITTI and larger scale Nuscenes dataset.
• Score: 34.40019455462043
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: A robust 3D object tracker which continuously tracks surrounding objects and estimates their trajectories is key for self-driving vehicles. Most existing tracking methods employ a tracking-by-detection strategy, which usually requires complex pair-wise similarity computation and neglects the nature of continuous object motion. In this paper, we propose to directly learn 3D object correspondences from temporal point cloud data and infer the motion information from correspondence patterns. We modify the standard 3D object detector to process two lidar frames at the same time and predict bounding box pairs for the association and motion estimation tasks. We also equip our pipeline with a simple yet effective velocity smoothing module to estimate consistent object motion. Benifiting from the learned correspondences and motion refinement, our method exceeds the existing 3D tracking methods on both the KITTI and larger scale Nuscenes dataset.

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