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Co-ordinate Rotation based Low Complexity N-D FastICA Algorithm and Architecture

Acharyya, Amit, Maharatna, Koushik, Al-Hashimi, Bashir and Reeve, Jeff (2011) Co-ordinate Rotation based Low Complexity N-D FastICA Algorithm and Architecture IEEE Transactions on Signal Processing

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This paper proposes a low complexity n-dimensional (nD) FastICA algorithm and architecture by introducing the concept of co-ordinate rotation where n ? 2. The proposed algorithm can merge the two key steps of Conventional FastICA - Preprocessing and Update and is therefore capable of reducing the hardware complexity of the conventional FastICA significantly as demonstrated in this paper. Hardware implementation can further be simplified due to the recursive nature of the proposed algorithm where the same 2D hardware module can be used as the fundamental core to implement nD architecture. Together with the algorithm formulation, its functionality is also validated and hardware complexity is analyzed and compared with the conventional nD FastICA.

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Submitted date: 20 April 2011
Published date: August 2011
Keywords: Independent Component Analysis, FastICA, Blind Source Separation, CORDIC, Low Complexity Algorithm and Architecture
Organisations: Electronic & Software Systems, EEE


Local EPrints ID: 272221
ISSN: 1053-587X
PURE UUID: 4721ff20-55e9-4e4e-a036-caa43d5518a7

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Date deposited: 21 Apr 2011 10:29
Last modified: 18 Jul 2017 06:33

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Author: Amit Acharyya
Author: Jeff Reeve

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