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Design of two-channel low-delay FIR filter banks using constrained optimization (CROSBI ID 477373)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Bregović, Robert ; Saramaki, Tapio Design of two-channel low-delay FIR filter banks using constrained optimization // Proc of international workshop on image and signal processing and applications. Zagreb: Sveučilišni računski centar Sveučilišta u Zagrebu (Srce), 2000. str. 369-372-x

Podaci o odgovornosti

Bregović, Robert ; Saramaki, Tapio

engleski

Design of two-channel low-delay FIR filter banks using constrained optimization

This paper shows the efficiency of using constrained optimization for designing two-channel low-delay finite impulse response filter banks. The filter banks under consideration are quadrature mirror filter (QMF) banks and perfect reconstruction (PR) biorthogonal filter banks. The design problems for both types of banks are stated as constrained minimization problems in forms that enables us to minimize the maximum of the stopband energies of the analysis filter(s) subject to the given passband and transition band constraints of the filter(s) as well as subject to the given allowable reconstruction error for QMF banks or the PR property for biorthogonal filter banks. For solving the given optimization problems a modified Dutta-Vidyasagar optimization technique has been used. The efficiency of the proposed design methods is illustrated by means of some examples.

FIR filter banks; Low-delay; Two-channel; Optimization; QMF; Biorthogonal

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Podaci o prilogu

369-372-x.

2000.

objavljeno

Podaci o matičnoj publikaciji

Proc of international workshop on image and signal processing and applications

Zagreb: Sveučilišni računski centar Sveučilišta u Zagrebu (Srce)

Podaci o skupu

international workshop on image and signal processing and applications

predavanje

13.06.2000-16.06.2000

Pula, Hrvatska

Povezanost rada

Elektrotehnika