Characterisation of symmetric/antisymmetric orthonormal length-4 multi-filters

L. Shen, H. H. Tan

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


It is shown that any symmetric/antisymmetric orthonormal multi-filter of length-4 with multiplicity 2 can be derived from an orthogonal scalar wavelet filter of length-4 or length-8, if the refinement mask of the multi-filter at the origin is diagonal with entries 1 and 0.

Original languageEnglish (US)
Pages (from-to)103-106
Number of pages4
JournalIEE Proceedings: Vision, Image and Signal Processing
Issue number2
StatePublished - Apr 2001
Externally publishedYes

ASJC Scopus subject areas

  • Signal Processing
  • Electrical and Electronic Engineering


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