A simple design of M-channel FIR wavelet-like filter bank

X. J. Ma, X. M. Xie, G. M. Shi, A. Fernandez-Vazquez

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

In this paper, we propose a simple method for designing M-channel FIR wavelet-like filter banks. Unlike the conventional design of wavelet filter banks, our approach is based on near-perfect-reconstruction (NPR) filter banks, justifying the name "wavelet-like." The major contribution of this paper lies in the technique to impose regularity constraints individually into each filter of the NPR filter bank, yielding more free parameters to design wavelet-like filter banks. Moreover, our method involves no optimization procedure by imposing regularity constraints. The designed 1-regular wavelet-like filter bank possesses good properties as the original NPR filter bank. The 2-regular wavelet-like filter bank can also be obtained preserving the NPR property. Examples are given to numerically illustrate the proposed technique.

Original languageEnglish
Title of host publication2007 International Symposium on Intelligent Signal Processing and Communications Systems, ISPACS 2007 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages474-477
Number of pages4
ISBN (Print)9781424414475
DOIs
StatePublished - 2007
Externally publishedYes
Event2007 International Symposium on Intelligent Signal Processing and Communications Systems, ISPACS 2007 - Xiamen, China
Duration: 28 Nov 20071 Dec 2007

Publication series

Name2007 International Symposium on Intelligent Signal Processing and Communications Systems, ISPACS 2007 - Proceedings

Conference

Conference2007 International Symposium on Intelligent Signal Processing and Communications Systems, ISPACS 2007
Country/TerritoryChina
CityXiamen
Period28/11/071/12/07

Keywords

  • Filter banks
  • Near-perfect-reconstruction
  • Regularity
  • Wavelet-like

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