A New Constrained Independent Component Analysis Method

Authors:
De-Shuang Huang;Jian-Xun Mi
Affiliations:
Chinese Acad. of Sci., Hefei;-
Venue:
IEEE Transactions on Neural Networks
Year:
2007

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Abstract

Constrained independent component analysis (cICA) is a general framework to incorporate a priori information from problem into the negentropy contrast function as constrained terms to form an augmented Lagrangian function. In this letter, a new improved algorithm for cICA is presented through the investigation of the inequality constraints, in which different closeness measurements are compared. The utility of our proposed algorithm is demonstrated by the experiments with synthetic data and electroencephalogram (EEG) data.