Title :
Computing symmetric wavelet transforms using DCT and DST
Author :
Sun, Mingui ; Li, Ching-Chung ; Sclabassi, Robert J.
Author_Institution :
Dept. of Electr. Eng., Pittsburgh Univ., PA, USA
Abstract :
The computational issues for symmetric wavelet transforms are investigated. We present a novel frequency-domain algorithm using the discrete cosine transforms (DCTs) and discrete sine transforms (DSTs). A high efficiency is achieved when this algorithm is applied to signals of finite duration, especially images
Keywords :
discrete cosine transforms; frequency-domain analysis; signal processing; wavelet transforms; DCT; DST; computational efficiency; discrete cosine transforms; discrete sine transforms; finite duration signals; frequency-domain algorithm; images; symmetric wavelet transforms; Computational efficiency; Convolution; Discrete Fourier transforms; Discrete cosine transforms; Discrete transforms; Discrete wavelet transforms; Nonlinear filters; Signal processing; Signal processing algorithms; Wavelet transforms;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1995. ICASSP-95., 1995 International Conference on
Conference_Location :
Detroit, MI
Print_ISBN :
0-7803-2431-5
DOI :
10.1109/ICASSP.1995.480181