Abstract
Blind source separation (BSS) is approached from the second order statistics point of view. In particular, it is shown that temporal filtering by an arbitrary filter combined with PCA leads to the solution of the problem provided that the sources are colored and have different spectra. This result is demonstrated by applying a neural PCA model such as APEX to BSS problems with artificially created, randomly colored data.
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Diamantaras, K.I. (2001). Blind Source Separation Using Principal Component Neural Networks. In: Dorffner, G., Bischof, H., Hornik, K. (eds) Artificial Neural Networks — ICANN 2001. ICANN 2001. Lecture Notes in Computer Science, vol 2130. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44668-0_72
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DOI: https://doi.org/10.1007/3-540-44668-0_72
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