Xizhi Shi

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This paper presents a novel time-frequency (TF) domain nonparametric density estimation Independent Component Analysis (ICA) combined with preprocessing by Time-Frequency Plane Wiener(TFPW) Filtering algorithm. It achieves blind separation of over-determined instantaneous linear mixtures of non-stationary sources. The algorithm simultaneously estimates the(More)
Multichannel blind equalization is an important task for numerous applications such as speech separation, der-everberation, communication, signal processing and control, etc. In this paper, a cost function is constructed by the knowledge of correlation. Then a novel on-line algorithm is derived with natural gradient search method for multichan-nel blind(More)
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