| Citation: | ZHANG B H,CHAI D D,MENG L B,et al. Anti-occlusion target tracking algorithm of UAV based on multiple detection[J]. Journal of Beijing University of Aeronautics and Astronautics,2023,49(9):2442-2454 (in Chinese) doi: 10.13700/j.bh.1001-5965.2021.0693 |
In this research, a multi-detection anti-occlusion target tracking method is suggested to address the issue of poor tracking effect when unmanned aerial vehicle (UAV) targets are occluded by obstacles during the target tracking process. A response confidence discrimination method is designed by fusing various confidence functions under the framework of a spatiotemporal regularization correlation filtering algorithm. In order to understand the occlusion situation, the change of response difference and response gradient are combined together as the basis to judge whether to update the filter template parameters. A scale estimation method combining the block idea and pyramid scale pool is designed to solve the problem of the scale variation of the target in the image. Compared with the other seven algorithms, the proposed algorithm performs well in the UAV data set, and significantly improves the tracking accuracy and success rate in the face of target occlusion, scale change, and fast movement problems in the tracking process. The findings demonstrate that the multi-detection-based anti-occlusion target tracking algorithm has good speed, accuracy, and robustness and can more effectively address the issues of target occlusion and dimension change in the process of UAV target tracking.
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