Title :
Characterisation of symmetric/antisymmetric orthonormal length-4 multi-filters
Author :
Shen, L. ; Tan, H.H.
Author_Institution :
Dept. of Math., Nat. Univ. of Singapore, Singapore
fDate :
4/1/2001 12:00:00 AM
Abstract :
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
Keywords :
digital filters; filtering theory; wavelet transforms; length-4 multi-filters; orthogonal scalar wavelet filter; refinement mask; symmetric/antisymmetric orthonormal multi-filters;
Journal_Title :
Vision, Image and Signal Processing, IEE Proceedings -
DOI :
10.1049/ip-vis:20010307
