UnsMOT: Unified Framework for Unsupervised Multi-Object Tracking with Geometric Topology Guidance

• URL: http://arxiv.org/abs/2309.01078v1
• Date: Sun, 3 Sep 2023 04:58:12 GMT
• Title: UnsMOT: Unified Framework for Unsupervised Multi-Object Tracking with Geometric Topology Guidance
• Authors: Son Tran, Cong Tran, Anh Tran, Cuong Pham
• Abstract summary: UnsMOT is a novel framework that combines appearance and motion features of objects with geometric information to provide more accurate tracking. Experimental results show remarkable performance in terms of HOTA, IDF1, and MOTA metrics in comparison with state-of-the-art methods.
• Score: 6.577227592760559
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Object detection has long been a topic of high interest in computer vision literature. Motivated by the fact that annotating data for the multi-object tracking (MOT) problem is immensely expensive, recent studies have turned their attention to the unsupervised learning setting. In this paper, we push forward the state-of-the-art performance of unsupervised MOT methods by proposing UnsMOT, a novel framework that explicitly combines the appearance and motion features of objects with geometric information to provide more accurate tracking. Specifically, we first extract the appearance and motion features using CNN and RNN models, respectively. Then, we construct a graph of objects based on their relative distances in a frame, which is fed into a GNN model together with CNN features to output geometric embedding of objects optimized using an unsupervised loss function. Finally, associations between objects are found by matching not only similar extracted features but also geometric embedding of detections and tracklets. Experimental results show remarkable performance in terms of HOTA, IDF1, and MOTA metrics in comparison with state-of-the-art methods.

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