ISSN : 1796-203X
Volume : 4    Issue : 7    Date : July 2009

Multiresolution Subband Blind Source Separation: Models and Methods
Hongwei Li, Rui Li, and Fasong Wang
Page(s): 681-688
Full Text:
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The goal of this paper is to review the multiresolution subband Blind Source Separation (MRSBSS)
methods, classify them into different categories, and identify new trends. After the perspective of
MRSBSS is briefly presented, the general and detailed definition of the MSBSS model is given, the
relationships among BSS, Independent Component Analysis (ICA) and MRSBSS method are
discussed simultaneously. Then, the state-of-theart MRSBSS algorithms: adaptive filter based
method and sparsity based multiscale ICA method are constructed and overviewed in detail from
different theory base. The paper concludes by discussing the impact of multiresolution subband on
BSS research and outlining potential future research directions and applications.

Index Terms
Independent Component Analysis(ICA), Blind Source Separation(BSS), Independent Subspace
Analysis(ISA), Subband; Multiresolution, Wavelet; Wavelet Packets