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TriQuery-BEV: Enhancing 3D Perception for Autonomous Driving with Temporal Query Filtering and Uncertainty-Aware
Junyi Dong1, Xuemei Chen1, Zemin Liu1
1School of Mechanical Engineering, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100811, China.
Sensors (Basel, Switzerland)
|May 27, 2026
Summary
TriQuery-BEV enhances bird's-eye-view (BEV) perception in dynamic traffic scenes by addressing depth noise, occlusion, and temporal drift. This framework significantly improves detection accuracy and reduces errors, offering more robust autonomous driving systems.
Area of Science:
- Computer Vision
- Autonomous Driving Systems
- Machine Learning
Background:
- Existing bird's-eye-view (BEV) perception methods struggle in dynamic traffic scenarios due to depth-noise amplification, representation discontinuity from occlusion, and temporal drift.
- These limitations hinder the reliability of autonomous driving systems in complex, real-world conditions.
Purpose of the Study:
- To propose TriQuery-BEV, a novel modular framework designed to enhance BEV perception models.
- To specifically address geometric ambiguity, occlusion robustness, and temporal consistency in BEV query modeling for improved performance.
Main Methods:
- Introduced Query Mask (QM) for structured regularization within the BEV query space.
- Developed depth-modulated hybrid positional encoding (DM-HPE) for geometry-aware positional representations.
- Implemented a Temporal Query Filter (TQF) for uncertainty-aware temporal fusion of features.
Main Results:
- TriQuery-BEV demonstrated consistent improvements over the baseline BEVFormer on the nuScenes benchmark across various model scales.
- Achieved significant gains in nuScenes detection score (NDS) and mean average precision (mAP), with improvements up to 6.5%.
- Reduced key error metrics, including mean translation error (mATE), mean orientation error (mAOE), and mean velocity error (mAVE), by up to 15.0%.
Conclusions:
- The proposed TriQuery-BEV framework effectively enhances BEV perception capabilities in dynamic traffic scenes.
- The integrated components (QM, DM-HPE, TQF) contribute to improved robustness, geometric accuracy, and temporal consistency.
- TriQuery-BEV offers a computationally tractable solution for advancing the performance of autonomous driving perception systems.
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