EasyTrack: Efficient and Compact One-stream 3D Point Clouds Tracker

• URL: http://arxiv.org/abs/2404.05960v2
• Date: Fri, 12 Apr 2024 04:23:12 GMT
• Title: EasyTrack: Efficient and Compact One-stream 3D Point Clouds Tracker
• Authors: Baojie Fan, Wuyang Zhou, Kai Wang, Shijun Zhou, Fengyu Xu, Jiandong Tian,
• Abstract summary: We propose a neat and compact one-stream transformer 3D SOT paradigm, termed as textbfEasyTrack. A 3D point clouds tracking feature pre-training module is developed to exploit the masked autoencoding for learning 3D point clouds tracking representations. A target location network in the dense bird's eye view (BEV) feature space is constructed for target classification and regression.
• Score: 35.74677036815288
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Most of 3D single object trackers (SOT) in point clouds follow the two-stream multi-stage 3D Siamese or motion tracking paradigms, which process the template and search area point clouds with two parallel branches, built on supervised point cloud backbones. In this work, beyond typical 3D Siamese or motion tracking, we propose a neat and compact one-stream transformer 3D SOT paradigm from the novel perspective, termed as \textbf{EasyTrack}, which consists of three special designs: 1) A 3D point clouds tracking feature pre-training module is developed to exploit the masked autoencoding for learning 3D point clouds tracking representations. 2) A unified 3D tracking feature learning and fusion network is proposed to simultaneously learns target-aware 3D features, and extensively captures mutual correlation through the flexible self-attention mechanism. 3) A target location network in the dense bird's eye view (BEV) feature space is constructed for target classification and regression. Moreover, we develop an enhanced version named EasyTrack++, which designs the center points interaction (CPI) strategy to reduce the ambiguous targets caused by the noise point cloud background information. The proposed EasyTrack and EasyTrack++ set a new state-of-the-art performance ($\textbf{18\%}$, $\textbf{40\%}$ and $\textbf{3\%}$ success gains) in KITTI, NuScenes, and Waymo while runing at \textbf{52.6fps} with few parameters (\textbf{1.3M}). The code will be available at https://github.com/KnightApple427/Easytrack.

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