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 language||English (US)|
|Number of pages||4|
|Journal||IEE Proceedings: Vision, Image and Signal Processing|
|State||Published - Apr 1 2001|
ASJC Scopus subject areas
- Signal Processing
- Electrical and Electronic Engineering