Title :
A New Signal Denoising Algorithm from Wavelet Modulus Maxima
Author :
Liu, Yi ; Cheng, Xu
Author_Institution :
Peking Univ., Beijing
Abstract :
In this paper, a new signal denoising algorithm from wavelet transform modulus maxima (WTMM) is proposed. It essentially combines Mallat´s multiresolution analysis(MRA) theory and Donoho´s denoising approach. With WTMM, we can improve the signal reconstruction approach and then an automatic denoising algorithm is possible. This method is of explicit physical meaning and can be implemented conveniently. Improved signal denoising results are obtained in comparison with the other denoising methods.
Keywords :
signal denoising; signal reconstruction; signal resolution; wavelet transforms; automatic denoising algorithm; multiresolution analysis theory; signal denoising algorithm; signal reconstruction approach; wavelet transform modulus maxima; Acoustic noise; Frequency shift keying; Information science; Noise reduction; Signal denoising; Signal processing; Signal processing algorithms; Signal reconstruction; Signal resolution; Wavelet transforms;
Conference_Titel :
Fuzzy Systems and Knowledge Discovery, 2007. FSKD 2007. Fourth International Conference on
Conference_Location :
Haikou
Print_ISBN :
978-0-7695-2874-8
DOI :
10.1109/FSKD.2007.90
