On the continuous Weber and k-median problems (extended abstract)
Proceedings of the sixteenth annual symposium on Computational geometry
ICA and ISA using Schweizer-Wolff measure of dependence
Proceedings of the 25th international conference on Machine learning
A blind source separation technique using second-order statistics
IEEE Transactions on Signal Processing
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Multidimensional biomedical imaging requires robust statistical analyses.Corresponding experiments such as EEGor FRAPcommonly result in multiple time series. These data are classically characterized by recording response patterns to any kind of stimulation mixed with any degree of noise levels. Here, we want to detect the underlying signal sources such as these experimental responses in an unbiased fashion, and therefore extend and employ a source separation technique based on temporal autodecorrelation. Our extension first centers the data using a multivariate median, and then separates the sources based on approximate joint diagonalization of multiple sign autocovariance matrices.