Title :
Threshold Estimation for Wavelet Domain Filtering of Signal-dependent Noise
Author :
Kostov, Mitko ; Mitrovski, Cvetko ; Bogdanov, Momcilo
Author_Institution :
Fac. of Tech. Sci., Bitola
Abstract :
This paper presents a method for signal denoising in the case of varying noise proportional to the local signal intensity. The signals are processed in a wavelet domain with a non-uniform threshold adjusted to the noise level.
Keywords :
filtering theory; signal denoising; wavelet transforms; local signal intensity; signal denoising; signal-dependent noise; threshold estimation; wavelet domain filtering; Discrete wavelet transforms; Electronic mail; Information filtering; Information filters; Information technology; Noise level; Noise reduction; Shape; Wavelet coefficients; Wavelet domain; Denoising; signal-dependent noise; threshold; wavelet domain filtering;
Conference_Titel :
Systems, Signals and Image Processing, 2007 and 6th EURASIP Conference focused on Speech and Image Processing, Multimedia Communications and Services. 14th International Workshop on
Conference_Location :
Maribor
Print_ISBN :
978-961-248-029-5
Electronic_ISBN :
978-961-248-029-5
DOI :
10.1109/IWSSIP.2007.4381091
