GOOD: General Optimization-based Fusion for 3D Object Detection via LiDAR-Camera Object Candidates

• URL: http://arxiv.org/abs/2303.09800v1
• Date: Fri, 17 Mar 2023 07:05:04 GMT
• Title: GOOD: General Optimization-based Fusion for 3D Object Detection via LiDAR-Camera Object Candidates
• Authors: Bingqi Shen, Shuwei Dai, Yuyin Chen, Rong Xiong, Yue Wang, and Yanmei Jiao
• Abstract summary: 3D object detection serves as the core basis of the perception tasks in autonomous driving. Good is a general optimization-based fusion framework that can achieve satisfying detection without training additional models. Experiments on both nuScenes and KITTI datasets are carried out and the results show that GOOD outperforms by 9.1% on mAP score compared with PointPillars.
• Score: 10.534984939225014
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: 3D object detection serves as the core basis of the perception tasks in autonomous driving. Recent years have seen the rapid progress of multi-modal fusion strategies for more robust and accurate 3D object detection. However, current researches for robust fusion are all learning-based frameworks, which demand a large amount of training data and are inconvenient to implement in new scenes. In this paper, we propose GOOD, a general optimization-based fusion framework that can achieve satisfying detection without training additional models and is available for any combinations of 2D and 3D detectors to improve the accuracy and robustness of 3D detection. First we apply the mutual-sided nearest-neighbor probability model to achieve the 3D-2D data association. Then we design an optimization pipeline that can optimize different kinds of instances separately based on the matching result. Apart from this, the 3D MOT method is also introduced to enhance the performance aided by previous frames. To the best of our knowledge, this is the first optimization-based late fusion framework for multi-modal 3D object detection which can be served as a baseline for subsequent research. Experiments on both nuScenes and KITTI datasets are carried out and the results show that GOOD outperforms by 9.1\% on mAP score compared with PointPillars and achieves competitive results with the learning-based late fusion CLOCs.

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