A Version of the FastICA Algorithm Based on the Secant Method Combined with Simple Iterations Method

Authors:
Doru Constantin;Luminita State
Affiliations:
Department of Computer Science, University of Pitesti, Romania;Department of Computer Science, University of Pitesti, Romania
Venue:
ICISP '08 Proceedings of the 3rd international conference on Image and Signal Processing
Year:
2008

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Abstract

The work proposes a new algorithm for the estimation of the ICA model, an algorithm based on secant method and successive approximations. The first sections briefly present the standard FastICA algorithm based on the Newton method and a new version of the FastICA algorithm. The proposed algorithm to estimate the independent components combines the secant iterations with successive approximations technique. The final section presents the results of a comparative analysis experimentally derived conclusions concerning the performance of the proposed method. The tests were performed of several samples of signal files.