Minimax Design of Two-Dimensional FIR Linear-Phase Quincunx Filter Banks Satisfying Perfect Reconstruction

Her-Chang CHAO, Bin-Chang CHIEU, Shih-Jen YANG, Ju-Hong LEE

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Summary :

In this paper, we present a numerical design method for two-dimensional (2-D) FIR linear-phase (LP) quincunx filter banks (QFB) with equiripple magnitude response and perfect reconstruction (PR). The necessary conditions for the filter length of analysis filters are derived. A dual affine scaling variant (DASV) of Karmarkar's algorithm is employed to minimize the peak ripples of analysis filters and an approximation scheme is introduced to satisfy the PR constraint for the 2-D filter banks (FB). The simulation examples are included to show the effectiveness of this proposed design technique.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E81-A No.11 pp.2370-2382
Publication Date
1998/11/25
Publicized
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Type of Manuscript
Category
Digital Signal Processing

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