Source adaptive blind source separation : Gaussian models and sparsity

@inproceedings{Pham2003SourceAB,
  title={Source adaptive blind source separation : Gaussian models and sparsity},
  author={Dinh-Tuan Pham and Jean-François Cardoso},
  year={2003}
}
Using the time-frequency (or -scale) diversity of the source processes allows the blind source separation problem to be tackled within Gaussian models. In this work, we show that this approach amounts to minimizing a certain sparseness criterion for the energy distribution of the source over the time-frequency (or -scale) plane. We also explore the link between independence and sparsity and shows that other sparsity criteria (some examples of which are provided) can be used. Further, we… CONTINUE READING
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Time Series: Data Analysis and Theory, New-York

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