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- W4320473094 abstract "We present a new particle filter method for visual object tracking to effectively handle occlusion and fast motion. The proposed approach uses a chaotic local search to model irregular motion and, compared to ordinary particle filter approaches, requires a lower number of particles. Furthermore, a new chaotic sampling procedure is used to force particles to specific areas with high values of the likelihood function with maximum diversity and a histogram of dynamical information is introduced to represent the motion over successive frames based on state space reconstruction. Finally, a new criterion is proposed to distinguish occlusion and out-of-view for appearance updating. We present numerical experiments demonstrating that the developed framework outperforms other state-of-the-art approaches dealing with irregular motions and uncertainties. According to the results on BOBOT, OTB100, OTB2013, and VOT2018, compared with traditional approaches, including methods based on deep and reinforcement learning, correlation filters, and Siamese neural networks, the proposed strategy leads to much closer convergence to the true target state, increasing the tracking accuracy. Finally, we prove analytically the convergence of the proposed method." @default.
- W4320473094 created "2023-02-14" @default.
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- W4320473094 date "2023-04-01" @default.
- W4320473094 modified "2023-09-29" @default.
- W4320473094 title "Adaptive chaotic sampling particle filter to handle occlusion and fast motion in visual object tracking" @default.
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- W4320473094 doi "https://doi.org/10.1016/j.dsp.2023.103933" @default.
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