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Smart city article details

Title Deep Learning-Based 3D Multi-Object Tracking Using Multimodal Fusion In Smart Cities
ID_Doc 17929
Authors Li H.; Liu X.; Jia H.; Ahanger T.A.; Xu L.; Alzamil Z.; Li X.
Year 2024
Published Human-centric Computing and Information Sciences, 14
DOI http://dx.doi.org/10.22967/HCIS.2024.14.047
Abstract The intelligent processing of visual perception information is one of the core technologies of smart cities. Deep learning-based 3D multi-object tracking is important in improving the intelligence and safety of robots in smart cities. However, 3D multi-object tracking still faces many challenges due to the complexity of the environment and uncertainty of the object. In this paper, we make the most of the multimodal information of image and point cloud and propose a multimodal adaptive feature gating fusion module to improve the feature fusion effect. In the object association stage, we designed an orientation-position-aware affinity matrix (EO-IoU) by using Euclidean distance, orientation similarity, and intersection over union, which is more suitable for the association to solve the problem of association failure when there is little or no overlap between the detection box and the prediction box. At the same time, we adopt a more robust two-stage data association method to solve the trajectory fragmentation and identity switching caused by discarding low-scoring detection boxes. The results of extensive experiments on the KITTI and NuScenes benchmark datasets demonstrate that our method outperforms existing state-of-the-art methods with better robustness and accuracy. © (2024), (Korea Information Processing Society). All rights reserved.
Author Keywords 3D Multi-Object Tracking; Data Association; Multimodal Feature Fusion; Position Affinity Matrix; Smart Cities; Visual Perception


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