Title :
A design and implementation of orthonormal symmetric wavelet transform using PRCC filter banks
Author :
Adiga, Abhijin ; Ramakrishnan, K.R. ; Adiga, B.S.
Author_Institution :
Dept. of Electr. Eng., Indian Inst. of Sci., Bangalore, India
Abstract :
We propose a framework for orthonormal symmetric wavelet transform given a cyclic zero-phase half band filter. The scheme consists of a design for cyclic wavelet transform with real symmetric filters based on the perfect reconstruction circular convolution filter banks accompanied by an implementation in the discrete trigonometric transform domain. This is followed by a brief discussion on its performance in the context of applications such as image compression and implementation of symmetric wavelet transforms based on bandlimited wavelets.
Keywords :
bandlimited signals; channel bank filters; convolution; data compression; discrete wavelet transforms; image coding; signal reconstruction; PRCC filter banks; bandlimited wavelets; cyclic wavelet transform; cyclic zero-phase half band filter; discrete trigonometric transform; image compression; orthonormal symmetric wavelet transform; perfect reconstruction circular convolution; performance; real symmetric filters; Channel bank filters; Convolution; Discrete cosine transforms; Discrete wavelet transforms; Filter bank; Image coding; Image reconstruction; Technological innovation; Wavelet domain; Wavelet transforms;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03). 2003 IEEE International Conference on
Print_ISBN :
0-7803-7663-3
DOI :
10.1109/ICASSP.2003.1201731