Title :
Variable-delay dyadic wavelets
Author :
Nguyen, Truong Q.
Author_Institution :
Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA
Abstract :
Signal processing based on the wavelet transform is a new tool for signal approximation. It finds applications in signal compression, adaptation, classification and enhancement. The overall delay in a conventional wavelet system is fixed since it depends on the symmetry point of a linear-phase halfband filter. In this paper, we introduce the theory and design of a new filter bank and wavelet system where the overall delay can be any odd integer. The resulting wavelet is biorthogonal. This new wavelet is crucial in applications where the delay time is important
Keywords :
delays; digital filters; signal processing; wavelet transforms; adaptation; biorthogonal wavelet; classification; delay time; enhancement; filter bank; overall delay; signal approximation; signal compression; signal processing; two channel filter bank; variable-delay dyadic wavelets; wavelet system; wavelet transform; Attenuation; Biomedical signal processing; Convergence; Delay effects; Delay systems; Filter bank; Propagation delay; Prototypes; Signal processing; Wavelet transforms;
Conference_Titel :
Time-Frequency and Time-Scale Analysis, 1996., Proceedings of the IEEE-SP International Symposium on
Conference_Location :
Paris
Print_ISBN :
0-7803-3512-0
DOI :
10.1109/TFSA.1996.547474
