Aiming at the occlusion problem in the target tracking algorithm FDSST (Fast Discriminative Scale Space Tracking), this paper designs an improved SSDA (Sequential Similarity Detection Algorithms)-based FDSST anti-occlusion algorithm. The algorithm mainly improves the model update strategy of FDSST, the main processes are as follows: Firstly, judge whether the target has occlusion according to the oscillation degree of the correlation filter response graph; then, when there is occlusion, the SSDA algorithm is applied to re-detect the target according to the search strategy, to restore the occluded target and re-track the target. Our method was transplanted to onboard Jetson TX2, and the actual test was carried out on the public dataset OTB50 and the aerial video dataset respectively. The experimental results show that the proposed algorithm retains the advantages of FDSST and improves its anti-occlusion ability effectively.
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