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Dictionary Subselection Using an Overcomplete Joint Sparsity Model
Mehrdad Yaghoobi, Laurent Daudet, Michael E. Davies
Many natural signals exhibit a sparse representation, whenever a suitable describing model is given. Here, a linear generative model is considered, where many sparsity-based signal…
Nearfield Acoustic Holography using sparsity and compressive sampling principles
Gilles Chardon, Laurent Daudet, Antoine Peillot +3
Regularization of the inverse problem is a complex issue when using Near-field Acoustic Holography (NAH) techniques to identify the vibrating sources. This paper shows that, for co…
Informed Source Separation using Iterative Reconstruction
Nicolas Sturmel, Laurent Daudet
This paper presents a technique for Informed Source Separation (ISS) of a single channel mixture, based on the Multiple Input Spectrogram Inversion method. The reconstruction of th…