Searching Appropriate Mother Wavelets for Hyperanalytic Denoising

Searching Appropriate Mother Wavelets for Hyperanalytic Denoising

The aim of this paper is the association of a new variant of Hyperanalytic Wavelet Transform (HWT) with a maximum a posteriori (MAP) filter, named bishrink for the denoising of images affected by additive white Gaussian noise (AWGN). The best results are obtained with the biorthogonal mother wavelet...

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Veröffentlicht in:Advances in electrical and computer engineering 2010-11, Vol.10 (4), p.125-128
Hauptverfasser: FIROIU, I., NAFORNITA, C., BOUCHER, J. M., ISAR, A.
Format: Artikel
Sprache:eng
Schlagworte:
filtering
Hilbert transforms
MAP estimation
wavelet transforms
white noise
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Beschreibung
Zusammenfassung:The aim of this paper is the association of a new variant of Hyperanalytic Wavelet Transform (HWT) with a maximum a posteriori (MAP) filter, named bishrink for the denoising of images affected by additive white Gaussian noise (AWGN). The best results are obtained with the biorthogonal mother wavelets Daubechies 9/7.
ISSN:1582-7445
1844-7600
DOI:10.4316/aece.2010.04020