Mean-field approaches to independent component analysis
Neural Computation
Source separation applied to heartbeat Doppler radar
SIP '07 Proceedings of the Ninth IASTED International Conference on Signal and Image Processing
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The blind separation of multiple co-channel binary digital signals using an antenna array involves finding a factorization of a data matrix X into X=AS, where all entries of S are +1 or -1. It is shown that this problem can be solved exactly and noniteratively, via a certain generalized eigenvalue decomposition. As indicated by simulations, the algorithm is robust in the presence of noise. An interesting implication is that certain cluster segmentation problems can be solved using eigenvalue techniques