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IEICE TRANSACTIONS on Fundamentals

QFB Low-Delay Design Satisfying Perfect-Reconstruction

Her-Chang CHAO, Shih-Jen YANG

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Summary :

In this letter, we present a new numerical design method for 2-D FIR quincunx filter banks (QFB) with low-delay, equiripple magnitude response, and perfect reconstruction (PR). The necessary conditions for the system delay of QFB are derived. The dual affine scaling variant of Karmarkar's algorithm is employed to minimize the peak ripples of analysis filters, and a linearization scheme is introduced to satisfy the PR constraint for QFB. We have included several simulation examples to show the efficacy of this proposed design technique.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E89-A No.1 pp.316-320
Publication Date
2006/01/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e89-a.1.316
Type of Manuscript
LETTER
Category
Digital Signal Processing

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