The near shift-invariance of the dual-tree complex wavelet transform revisited

Adriaan Barri, Ann Dooms, Peter Schelkens

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

The dual-tree complex wavelet transform (DT-CWT) is an enhancement of the conventional discrete wavelet transform (DWT) due to a higher degree of shift-invariance and a greater directional selectivity, finding its applications in signal and image processing. This paper presents a quantitative proof of the superiority of the DT-CWT over the DWT in case of modulated wavelets.
Original languageEnglish
Pages (from-to)1303-1314
Number of pages12
JournalJournal of Mathematical Analysis and Applications
Volume389
Issue number2
Publication statusPublished - 15 May 2012

Keywords

  • Dual-tree complex wavelet transform
  • Modulated
  • Shift-variance

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