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IEEE-INNS-ENNS International Joint Conference on Neural Networks (IJCNN'00)-Volume 3
ICA of Complex Valued Signals: A Fast and Robust Deflationary Algorithm
Como, Italy
July 24-July 27
ISBN: 0-7695-0619-4
Ella Bingham, Helsinki University of Technology
Aapo Hyvärinen, Helsinki University of Technology
Separation of complex valued signals is a frequently arising problem in signal processing. In this article, it is assumed that the original, complex valued source signals are mutually statistically independent, and the problem is solved b y the independent component analysis (ICA) model. ICA is a statistical method for transforming an observed multidimensional random vector in to components that are mutually as independent as possible. In this article, a fast 1/2xed-point type algorithm that is capable of separating complex valued, linearly mixed source signals is presented and simulations show its computational efficiency. We also present a theorem on the local consistency of the estimator given b y the algorithm.
Index Terms:
Independent Component Analysis, Complex valued signals, Deflationary separation
Citation:
Ella Bingham, Aapo Hyvärinen, "ICA of Complex Valued Signals: A Fast and Robust Deflationary Algorithm," ijcnn, vol. 3, pp.3357, IEEE-INNS-ENNS International Joint Conference on Neural Networks (IJCNN'00)-Volume 3, 2000
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