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• W2570233249 abstract "Abstract Non-Gaussian noise distorts the speech signals and leads to the degradation of speaker tracking performance. In this paper, a distributed particle filter (DPF) based speaker tracking method in distributed microphone networks under non-Gaussian noise and reverberant environments is proposed. A generalized correntropy function is first presented to estimate the time differences of arrival (TDOA) for speech signals at each node in distributed microphone networks. Next, to address spurious TDOA estimations caused by noise and reverberation, a multiple-hypothesis likelihood model is introduced to calculate the local likelihood functions of the DPF. Finally, a DPF fusing local likelihood functions with an average consensus algorithm is employed to estimate a moving speaker's positions. The proposed method can accurately track the speaker under non-Gaussian noise and reverberant environments, and it is scalable and robust against the nodes failure in distributed networks. Simulation experiments show the validation of the proposed speaker tracking method." @default.
• W2570233249 created "2017-01-13" @default.
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• W2570233249 date "2017-04-01" @default.
• W2570233249 modified "2023-10-17" @default.
• W2570233249 title "Distributed particle filter based speaker tracking in distributed microphone networks under non-Gaussian noise environments" @default.
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• W2570233249 doi "https://doi.org/10.1016/j.dsp.2017.01.005" @default.
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