Title :
Design of optimal cascaded multirate filter banks in the presence of quantization
Author :
Srinivasan, Sridhar
Author_Institution :
Center for Autom. Res., Maryland Univ., College Park, MD, USA
Abstract :
Classical wavelet filter banks are optimized for perfect or near-perfect reconstruction of a signal when the noise-free output of the analysis filter bank is recombined by the synthesis filter bank. Quantization gives rise to noise in the transform domain, affecting the reconstruction. This paper deals with the analysis of transform domain noise in subband systems, and the design of synthesis filters that minimize the output mean square error
Keywords :
band-pass filters; cascade networks; circuit optimisation; filtering theory; noise; quantisation (signal); signal reconstruction; signal synthesis; wavelet transforms; analysis filter bank; approximate technique; noise free output; optimal cascaded multirate filter banks; output mean square error minimisation; perfect signal reconstruction; quantization noise; subband systems; synthesis filter bank; synthesis filter design; transform domain noise; wavelet filter banks; Additive noise; Automation; Channel bank filters; Educational institutions; Equations; Filter bank; Filtering theory; Quantization; Signal synthesis; Wiener filter;
Conference_Titel :
Image Processing, 1996. Proceedings., International Conference on
Conference_Location :
Lausanne
Print_ISBN :
0-7803-3259-8
DOI :
10.1109/ICIP.1996.559572
