http://www.cnr.it/ontology/cnr/individuo/prodotto/ID186775
Wavelet and pyramid filtering of signal-dependent noise (Contributo in atti di convegno)
- Type
- Label
- Wavelet and pyramid filtering of signal-dependent noise (Contributo in atti di convegno) (literal)
- Anno
- 2000-01-01T00:00:00+01:00 (literal)
- Alternative label
Bruno Aiazzi; Luciano Alparone; Stefano Baronti (2000)
Wavelet and pyramid filtering of signal-dependent noise
in Tenth European Signal Processing Conference (EUSIPCO 2000), Tampere, Finlandia, 4-8 Settembre 2000
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Bruno Aiazzi; Luciano Alparone; Stefano Baronti (literal)
- Pagina inizio
- Pagina fine
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- http://www.eurasip.org/Proceedings/Eusipco/Eusipco2000/SESSIONS/FRIPM/OR2/CR1686.PDF (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
- Signal Processing X: Theories and Applications; Proceedings of EUSIPCO 2000, 10th European Signal Processing Conference (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- Note
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- \"Nello Carrara\" Research Institute on Electromagnetic Waves IROE-CNR, Via Panciatichi, 64, I-50127 Firenze, Italy
Department of Electronics and Telecommunications, University of Florence, Via S. Marta, 3, I-50139 Firenze, Italy
\"Nello Carrara\" Research Institute on Electromagnetic Waves IROE-CNR, Via Panciatichi, 64, I-50127 Firenze, Italy (literal)
- Titolo
- Wavelet and pyramid filtering of signal-dependent noise (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
- M. Gabbouj; P. Kuosmanen (literal)
- Abstract
- In this paper, after reviewing a general model to deal with signal-dependent image noise, the well known Local Linear Minimum Mean Squared Error (LLMMSE) Kuan's filter is derived for the most general case. Signal-dependent noise filtering is approached in a multiresolution framework either by LLMMSE processing ratios of combinations of low-pass images, which are tailored to the noise model in order to mitigate its signal-dependence, or by thresholding a normalized non-redundant wavelet transform designed to yield signal-independent noisy coefficients as well. Experimental results demonstrate that the Laplacian pyramid approach largely outperform LLMMSE filtering on a unique scale and is still superior to wavelet de-noising by thresholding. (literal)
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