DocumentCode
1364101
Title
On the least asymmetric wavelets
Author
Doroslovacki, Milos I.
Author_Institution
Dept. of Electr. Eng. & Comput. Sci., George Washington Univ., Washington, DC, USA
Volume
46
Issue
4
fYear
1998
fDate
4/1/1998 12:00:00 AM
Firstpage
1125
Lastpage
1130
Abstract
The asymmetry of Daubechies´ (1988, 1992) scaling functions and wavelets can be diminished by minimizing a special second moment in time for the wavelet-generating discrete-time filter. The moment is involved in an uncertainty relation for discrete-time signals. Other measures of asymmetry are addressed as well, and corresponding results are compared
Keywords
discrete time filters; filtering theory; signal processing; transfer functions; wavelet transforms; asymmetry measures; discrete-time signals; least asymmetric wavelets; phase nonlinearities minimisation; scaling functions; second moment; signal processing; transfer function; uncertainty relation; wavelet-generating discrete-time filter; Digital filters; Discrete wavelet transforms; Equations; Finite impulse response filter; Image processing; Polynomials; Power filters; Signal processing; Transfer functions;
fLanguage
English
Journal_Title
Signal Processing, IEEE Transactions on
Publisher
ieee
ISSN
1053-587X
Type
jour
DOI
10.1109/78.668562
Filename
668562
Link To Document