In usual ICA methods, sources are typically estimated by maximizing a measure of their statistical independence. This paper explains how to perform non-linear ICA by preprocessing the mixtures with recent non-linear dimensionality reduction techniques. These techniques are intended to produce a low-dimensional representation of the data (the mixtures), which is isometric to their initial high-dimensional distribution. A detailed study of the mixture model that makes the separation possible precedes a practical example. © Springer-Verlag 2004.
CITATION STYLE
Lee, J. A., Jutten, C., & Verleysen, M. (2004). Non-linear ICA by using isometric dimensionality reduction. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 3195, 710–717. https://doi.org/10.1007/978-3-540-30110-3_90
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