Talks given at NuHAG events

Adaptive multiwindow and multilayered Gabor expansions.

  Daniel Haider (Univ. Vienna)

  given at  NuHAG seminar (13.12.17 11:30)
  id:  3406
  length:  60min
Based on the paper of F. Jaillet and B. Torresani,an iterative method to obtain multiwindow Gabor expansions via dynamical adaption of the windows to different features of a signal will be presented. The adaption is based on local time-frequency sparsity criteria, measured by entropy. The proposed method also provides a separation of a signal into multiple layers, which will be illustrated by the task of separating a signal into its tonal and transient parts resp.

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