A fast fixed-point algorithm for independent component analysis
Neural Computation
Discrete-time signal processing (2nd ed.)
Discrete-time signal processing (2nd ed.)
Independent component analysis: algorithms and applications
Neural Networks
Blind source separation combining independent component analysis and beamforming
EURASIP Journal on Applied Signal Processing
EURASIP Journal on Applied Signal Processing
Geometrically Constrained Independent Component Analysis
IEEE Transactions on Audio, Speech, and Language Processing
Blind source separation based on a fast-convergence algorithm combining ICA and beamforming
IEEE Transactions on Audio, Speech, and Language Processing
Fast and robust fixed-point algorithms for independent component analysis
IEEE Transactions on Neural Networks
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In this paper a blind source separation algorithm in convolutive environment is presented. In order to avoid the classical permutation ambiguity in the frequency domain solution, a geometrical constraint is considered. Moreover a beam-former algorithm is integrated with the proposed solution: in this way the directivity pattern of the proposed architecture can take into account the residual permutation at low frequencies and the scaling inconsistency. Several experimental results are shown to demonstrate the effectiveness of the proposed method.