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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2008.926146
|2 doi
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Miller, Mark
|e verfasserin
|4 aut
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|a Image denoising using derotated complex wavelet coefficients
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 23.09.2008
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|a Date Revised 14.08.2008
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|a published: Print
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|a Citation Status MEDLINE
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|a A method for removing additive Gaussian noise from digital images is described. It is based on statistical modeling of the coefficients of a redundant, oriented, complex multiscale transform. Two types of modeling are used to model the wavelet coefficients. Both are based on Gaussian scale mixture (GSM) modeling of neighborhoods of coefficients at adjacent locations and scales. Modeling of edge and ridge discontinuities is performed using wavelet coefficients derotated by twice the phase of the coefficient at the same location and the next coarser scale. Other areas are modeled using standard wavelet coefficients. An adaptive Bayesian model selection framework is used to determine the modeling applied to each neighborhood. The proposed algorithm succeeds in providing improved denoising performance at structural image features, reducing ringing artifacts and enhancing sharpness, while avoiding degradation in other areas. The method outperforms previously published methods visually and in standard tests
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|a Journal Article
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|a Kingsbury, Nick
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 17(2008), 9 vom: 01. Sept., Seite 1500-11
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|x 1941-0042
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|g volume:17
|g year:2008
|g number:9
|g day:01
|g month:09
|g pages:1500-11
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|u http://dx.doi.org/10.1109/TIP.2008.926146
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