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Exploring Object-Centric Temporal Modeling for Efficient Multi-View 3D Object Detection

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arxiv 2303.11926 v2 pith:QVXUTYRI submitted 2023-03-21 cs.CV

Shihao Wang , Yingfei Liu , Tiancai Wang , Ying Li , Xiangyu Zhang This is my paper
classification cs.CV
keywords multi-viewobjectstreampetrachievesdetectionframemethodmodel
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In this paper, we propose a long-sequence modeling framework, named StreamPETR, for multi-view 3D object detection. Built upon the sparse query design in the PETR series, we systematically develop an object-centric temporal mechanism. The model is performed in an online manner and the long-term historical information is propagated through object queries frame by frame. Besides, we introduce a motion-aware layer normalization to model the movement of the objects. StreamPETR achieves significant performance improvements only with negligible computation cost, compared to the single-frame baseline. On the standard nuScenes benchmark, it is the first online multi-view method that achieves comparable performance (67.6% NDS & 65.3% AMOTA) with lidar-based methods. The lightweight version realizes 45.0% mAP and 31.7 FPS, outperforming the state-of-the-art method (SOLOFusion) by 2.3% mAP and 1.8x faster FPS. Code has been available at https://github.com/exiawsh/StreamPETR.git.

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Cited by 4 Pith papers

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