Title :
Representation of perfect reconstruction octave decomposition filter banks with set of decimators {2,4,4} via tree structure
Author :
Ling, Wing-Kuen ; Tam, Peter Kwong-Shun
Author_Institution :
Dept. of Electron. & Inf. Eng., Hong Kong Polytech. Univ., China
fDate :
6/1/2003 12:00:00 AM
Abstract :
We prove that a filter bank with set of decimators {2,4,4} achieves perfect reconstruction if and only if it can be represented via a tree structure and each branch of the tree structure achieves perfect reconstruction.
Keywords :
channel bank filters; computational complexity; digital filters; filtering theory; signal reconstruction; trees (mathematics); computation complexity; decimators; filter length; implementation speed; perfect reconstruction octave decomposition filter banks; tree structure filter bank; tree structure representation; Channel bank filters; Equations; Filter bank; Tree data structures;
Journal_Title :
Signal Processing Letters, IEEE
DOI :
10.1109/LSP.2003.811588
