Quadrature mirror filters with staggered-phase subsampling

Details Quadrature mirror filters with staggered-phase subsampling Quadrature mirror filters with staggered-phase subsampling

1987-05-04

1989-03-21

Harkcom, Gary V.

Boots, shoes, and leggings

G06F 1531

Patent

active

048150231

ABSTRACT:
By staggering the phases of the decimations of the subbands in a quadrature mirror filter bank odd-tap kernels may be usefully employed.

REFERENCES:
patent: 4701874 (1987-10-01), Akai et al.
Multirate Digital Signal Processing, R. E. Crochiere and L. R. Rabiner, pp. 376-395, Prentice Hall, Englewood Cliffs, N.J. 1983.
"Direct Approach To Quasi Perfect Decomposition of Speech In Sub-Bands", D. Esteban, and C. Galand, p. 852, 9th International Congress on Acoustics, Madrid, 1977.
"New Quadrature Mirror Filter Structures", C. R. Galand and H. J. Nussbaumer, 0096-3518/84/0600-0522 $01.00 copyrighted 1984 IEEE.
"HQMF: Halfband Quadrature Mirror Filters", D. Esteban and C. Galand, CH/1610-5/81/0000-0220 $00.75 copyrighted 1981 IEEE.
"Multi-dimensional Sub-band Coding: Some Theory and Algorithms", M. Vetterli 0165-1683/84/$3.00 copyrighted 1984 Elsevier Science Publishers B.V. (North-Holland).
"An Efficient Image Representation For Multiscale Analysis", Stephane Mallat, pp. 172-175, Optical Society of America, Topical Meeting on Machine Vision, Mar. 18-20, 1987.

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