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Sparse approximation with nonuniform sampling of orthogonal functions.

Hani NozariAlireza SiamySeyed Ali Mirkhandouzy
Published in: CSNDSP (2012)
Keyphrases
  • sparse approximation
  • linear combination
  • orthogonal matching pursuit
  • noise model
  • convex relaxation
  • higher order
  • text categorization
  • basis functions
  • multiscale
  • sample size
  • sparse coding