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FastGeo - A Histogram Based Approach to Linear Geometric ICA

Jung, Andreas ; Theis, Fabian J. ; Puntonet, Carlos G. ; Lang, Elmar W.



Abstract

Guided by the principles of neural geometric ICA, we present a new approach to linear geometric ICA based on histograms rather than basis vectors. Considering that the learning process converges to the medians and not the maxima of the underlying distributions restricted to the receptive fields of the corresponding neurons, we observe a considerable improvement in separation quality of different ...

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