Progressive Multi-Modal Fusion for Robust 3D Object Detection

• URL: http://arxiv.org/abs/2410.07475v1
• Date: Wed, 9 Oct 2024 22:57:47 GMT
• Title: Progressive Multi-Modal Fusion for Robust 3D Object Detection
• Authors: Rohit Mohan, Daniele Cattaneo, Florian Drews, Abhinav Valada,
• Abstract summary: Existing methods perform sensor fusion in a single view by projecting features from both modalities either in Bird's Eye View (BEV) or Perspective View (PV) We propose ProFusion3D, a progressive fusion framework that combines features in both BEV and PV at both intermediate and object query levels. Our architecture hierarchically fuses local and global features, enhancing the robustness of 3D object detection.
• Score: 12.048303829428452
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Multi-sensor fusion is crucial for accurate 3D object detection in autonomous driving, with cameras and LiDAR being the most commonly used sensors. However, existing methods perform sensor fusion in a single view by projecting features from both modalities either in Bird's Eye View (BEV) or Perspective View (PV), thus sacrificing complementary information such as height or geometric proportions. To address this limitation, we propose ProFusion3D, a progressive fusion framework that combines features in both BEV and PV at both intermediate and object query levels. Our architecture hierarchically fuses local and global features, enhancing the robustness of 3D object detection. Additionally, we introduce a self-supervised mask modeling pre-training strategy to improve multi-modal representation learning and data efficiency through three novel objectives. Extensive experiments on nuScenes and Argoverse2 datasets conclusively demonstrate the efficacy of ProFusion3D. Moreover, ProFusion3D is robust to sensor failure, demonstrating strong performance when only one modality is available.

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