Title :
Iterative design method for pseudo QMF banks
Author :
Ibarra-Manzano, O.G. ; Jovanovic-Dolecek, G.
Author_Institution :
Univ. de Guanajuato, Salamanca, Mexico
Abstract :
An iterative algorithm for the design of M channel maximally decimated cosine-modulated pseudo quadrature mirror-image filter (QMF) banks is proposed. The objective function is minimized applying a practical implementation of the modified Newton method which has high design efficiency for a near perfect reconstruction and reduces the reconstruction error. Several design examples are included, and some comparisons are made with other existing design methods, to demonstrate the proposed algorithm
Keywords :
Newton method; channel bank filters; quadrature mirror filters; M channel maximally decimated filters; cosine-modulated pseudo quadrature mirror-image filter; design efficiency; iterative design method; modified Newton method; near perfect reconstruction; objective function; pseudo QMF banks; reconstruction error; Attenuation; Delay; Design methodology; Filter bank; Finite impulse response filter; Image reconstruction; Iterative methods; Newton method; Prototypes; Transfer functions;
Conference_Titel :
Circuits and Systems, 1998. Proceedings. 1998 Midwest Symposium on
Conference_Location :
Notre Dame, IN
Print_ISBN :
0-8186-8914-5
DOI :
10.1109/MWSCAS.1998.759421
