Realization of Perfect Reconstruction Non-uniform Filter Banks via a Tree Structure

Authors:
Wing-kuen Ling;Peter Kwong-Shun Tam
Affiliations:
-;-
Venue:
WAA '01 Proceedings of the Second International Conference on Wavelet Analysis and Its Applications
Year:
2001

Citing 3
Cited 0

Multirate systems and filter banks

Multirate systems and filter banks
New results and open problems on nonuniform filter-banks

ICASSP '99 Proceedings of the Acoustics, Speech, and Signal Processing, 1999. on 1999 IEEE International Conference - Volume 03
A simple design method for near-perfect-reconstruction nonuniformfilter banks

IEEE Transactions on Signal Processing

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Abstract

It is well known that a tree structure filter bank can be realized via a non-uniform filter bank, and perfect reconstruction is achieved if and only if each branch of the tree structure can provide perfect reconstruction. In this paper, the converse of this problem is studied. We show that a perfect reconstruction non-uniform filter bank with decimation ratio {2,4,4} can be realized via a tree structure and each branch of the tree structure achieves perfect reconstruction.