UHP-SOT: An Unsupervised High-Performance Single Object Tracker

• URL: http://arxiv.org/abs/2110.01812v1
• Date: Tue, 5 Oct 2021 04:04:09 GMT
• Title: UHP-SOT: An Unsupervised High-Performance Single Object Tracker
• Abstract summary: An unsupervised online object tracking method that exploits both foreground and background correlations is proposed. UHP-SOT consists of three modules: 1) appearance model update, 2) background motion modeling, and 3) trajectory-based box prediction.
• Score: 25.519054983049198
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: An unsupervised online object tracking method that exploits both foreground and background correlations is proposed and named UHP-SOT (Unsupervised High-Performance Single Object Tracker) in this work. UHP-SOT consists of three modules: 1) appearance model update, 2) background motion modeling, and 3) trajectory-based box prediction. A state-of-the-art discriminative correlation filters (DCF) based tracker is adopted by UHP-SOT as the first module. We point out shortcomings of using the first module alone such as failure in recovering from tracking loss and inflexibility in object box adaptation and then propose the second and third modules to overcome them. Both are novel in single object tracking (SOT). We test UHP-SOT on two popular object tracking benchmarks, TB-50 and TB-100, and show that it outperforms all previous unsupervised SOT methods, achieves a performance comparable with the best supervised deep-learning-based SOT methods, and operates at a fast speed (i.e. 22.7-32.0 FPS on a CPU).

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