Cited by 133Advanced Neural Network ApplicationsAutonomous Vehicle Technology and SafetyMultimodal Machine Learning Applications

IS-Fusion: Instance-Scene Collaborative Fusion for Multimodal 3D Object Detection

Open access
Yin, Junbo, Shen, Jianbing, Chen, Runnan, Li, Wei, Yang, Ruigang, Frossard, Pascal, Wang, Wenguan·2024·2024 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)

Abstract

Bird's eye view (BEV) representation has emerged as a dominant solution for describing 3D space in autonomous driving scenarios. However, objects in the BEV representation typically exhibit small sizes, and the associated point cloud context is inherently sparse, which leads to great challenges for reliable 3D perception. In this paper, we propose IS-Fusion, an innovative multimodal fusion framework that jointly captures the Instance- and Scene-level contextual information. IS-Fusion essentially differs from existing approaches that only focus on the BEV scene-level fusion by explicitly incorporating instance-level multimodal information, thus facilitating the instance-centric tasks like 3D object detection. It comprises a Hierarchical Scene Fusion (HSF) module and an Instance-Guided Fusion (IGF) module. HSF applies Point-to-Grid and Grid-to-Region transformers to capture the multimodal scene context at different granularities. IGF mines instance candidates, explores their relationships, and aggregates the local multimodal context for each instance. These instances then serve as guidance to enhance the scene feature and yield an instance-aware BEV representation. On the challenging nuScenes benchmark, IS-Fusion outperforms all the published multimodal works to date. Code is available at: https://github.com/yinjunbo/IS-Fusion.

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Crossref · 10.1109/cvpr52733.2024.01412

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Authors
Yin, J., Shen, J., Chen, R., Li, W., Yang, R., Frossard, P., & Wang, W.
Affiliations
  • Beijing Institute of Technology (CN)
  • University of Macau (MO)
  • University of Hong Kong (HK)
  • Inceptio
  • École Polytechnique Fédérale de Lausanne (EPFL)
  • Zhejiang University (CN)
Venue
2024 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
Publisher
IEEE
Published
2024-06-16
Pages
14905-14915
ISSN
1063-6919 (ISSN-L)
OpenAlex
W4402703030
Cited by
133
References
83
Citations by year
2026: 60 · 2025: 58 · 2024: 15
FWCI
27.31
Type
conference paper
Language
en
Open access
Locations
  • IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • arXiv (Cornell University)
Funders
  • FDCT (0154/2022/A3,0102/2023/RIA2,001/2024/SKL,MYRG-CRG2022-00013-IOTSC-ICI,SRG2022-00023-IOTSC)
  • National Natural Science Foundation of China (62372405)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
  • Physical Sciences › Engineering › Automotive Engineering › Autonomous Vehicle Technology and Safety
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Multimodal Machine Learning Applications
Keywords
multimodal fusion, 3D object detection, bird's-eye view, point clouds, autonomous driving perception, nuScenes

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