Title :
Wavelet-like filter banks: design and some application results
Author :
Shark, Lik-Kwan ; Qi, Dawei ; Mei, WenBo
Author_Institution :
Dept. of Eng. & Product Design, Univ. of Central Lancashire, Preston, UK
Abstract :
This paper extends the design approach based on time-domain formulation for perfect reconstruction filter banks to the design of wavelet-like filter banks by numerical optimisation of a set of non-linear simultaneous equations satisfying a number of basic properties desired. Also presented in the paper are their performances on image compression and denoising applications compared with the traditional Daubechies (1988) wavelet filter banks, thereby demonstrating the potential and the effectiveness of the wavelet-like filter banks designed
Keywords :
channel bank filters; circuit optimisation; data compression; digital filters; image coding; network synthesis; nonlinear equations; wavelet transforms; Daubechies wavelet filter banks; image compression; image denoising; nonlinear simultaneous equations; numerical optimisation; perfect reconstruction filter banks; time-domain formulation; wavelet-like filter banks design; Channel bank filters; Filter bank; Finite impulse response filter; Image coding; Image reconstruction; Noise reduction; Polynomials; Signal processing; Signal synthesis; Time domain analysis;
Conference_Titel :
Signal Processing Proceedings, 2000. WCCC-ICSP 2000. 5th International Conference on
Conference_Location :
Beijing
Print_ISBN :
0-7803-5747-7
DOI :
10.1109/ICOSP.2000.894499
