Relations to other decomposition methods

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

We discuss here the spectral nonlinear framework through different perspectives, related to well-known signal processing disciplines. The relations to wavelets are given, showing one can recover wavelet processing within this framework. In the specific case of Haar wavelet, which is actually a small subset of the eigenfunction of TV, it is shown how the spectral TV can adapt better to the signal. A numerical example shows that fewer elements are needed to encode the signal. We further discuss the relation to generalized Rayleigh quotients and to sparse representations, where nonlinear eigenfunctions can be viewed as an overcomplete dictionary.

Original languageEnglish
Title of host publicationNonlinear Eigenproblems in Image Processing and Computer Vision
Pages141-150
Number of pages10
Edition9783319758466
DOIs
StatePublished - 2018

Publication series

NameAdvances in Computer Vision and Pattern Recognition
Number9783319758466

All Science Journal Classification (ASJC) codes

  • Software
  • Signal Processing
  • Computer Vision and Pattern Recognition
  • Artificial Intelligence

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