Adaptive blind separation of independent sources: a deflation approach
Signal Processing
Natural gradient works efficiently in learning
Neural Computation
High-order contrasts for independent component analysis
Neural Computation
Flexible Independent Component Analysis
Journal of VLSI Signal Processing Systems
Adaptive Blind Signal and Image Processing: Learning Algorithms and Applications
Adaptive Blind Signal and Image Processing: Learning Algorithms and Applications
Fourth-order criteria for blind sources separation
IEEE Transactions on Signal Processing
Equivariant adaptive source separation
IEEE Transactions on Signal Processing
Blind source separation-semiparametric statistical approach
IEEE Transactions on Signal Processing
Blind separation of signals with mixed kurtosis signs using threshold activation functions
IEEE Transactions on Neural Networks
A Minimum-Range Approach to Blind Extraction of Bounded Sources
IEEE Transactions on Neural Networks
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Based on the fourth order blind identification (FOBI) in ICA methods, this paper shows that kurtosis of each independent source component can be estimated with eigenvalues of two relative matrices directly from observation data. With the new approach, the total number of super-Gaussian components in noiseless observation data can be directly calculated before any de-mixing algorithm is performed. As an application, a new switching criterion for the extended infomax algorithm is presented. Experimental results demonstrate the effectiveness of the kurtosis estimation algorithm and the new alternative switching criterion.