DocumentCode
1866625
Title
On the coding gain of separable 2D wavelet filter banks
Author
Adams, Michael D.
Author_Institution
Dept. of Elec. & Comp. Eng., Univ. of Victoria, Victoria, BC
fYear
2008
fDate
12-15 Oct. 2008
Firstpage
1204
Lastpage
1207
Abstract
It has been observed that filter banks from a certain popular separable 2D wavelet class always appear to have a higher coding gain with respect to a separable image model than with respect to an isotropic one. This behavior is examined in detail and an explanation for it is offered. As it turns out, for such filter banks, it is highly improbable (if not impossible) for the isotropic coding gain to exceed the separable coding gain.
Keywords
filtering theory; image coding; wavelet transforms; 2D wavelet filter banks; image coding; isotropic coding gain; separable image model; wavelet transforms; Autocorrelation; Channel bank filters; Convolution; Councils; Filter bank; Fourier transforms; Image coding; Sampling methods; Terminology; Wavelet transforms; coding gain; filter banks; image coding; separable/isotropic image models; wavelet transforms;
fLanguage
English
Publisher
ieee
Conference_Titel
Image Processing, 2008. ICIP 2008. 15th IEEE International Conference on
Conference_Location
San Diego, CA
ISSN
1522-4880
Print_ISBN
978-1-4244-1765-0
Electronic_ISBN
1522-4880
Type
conf
DOI
10.1109/ICIP.2008.4711977
Filename
4711977
Link To Document