2011 International Conference on Signal Processing, Communication, Computing and Networking Technologies 2011
DOI: 10.1109/icsccn.2011.6024662
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Adaptive spatial and multiresolution approach for image denoising

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Cited by 2 publications
(2 citation statements)
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“…Thus, we can deduce that the high performance of the zerotree-based image coders leads to the development of similar methods for image denoising. In (Chang et al, 2000;Arivazhagan et al, 2011) an image adaptive model was used to perform image denoising via wavelet thresholding using context modeling of the global coefficient histogram. A different approach has been proposed in (Mihcak et al, 1999a) which exploits the local structure of wavelet image coefficients.…”
Section: Fig 1 the Relations Between Wavelet Coefficients In Differmentioning
confidence: 99%
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“…Thus, we can deduce that the high performance of the zerotree-based image coders leads to the development of similar methods for image denoising. In (Chang et al, 2000;Arivazhagan et al, 2011) an image adaptive model was used to perform image denoising via wavelet thresholding using context modeling of the global coefficient histogram. A different approach has been proposed in (Mihcak et al, 1999a) which exploits the local structure of wavelet image coefficients.…”
Section: Fig 1 the Relations Between Wavelet Coefficients In Differmentioning
confidence: 99%
“…It should be noted that (4) uses the entire wavelet domain resulting in lost in local information leading to poor value of the variance of the wavelet coefficient for f and subsequently poor estimates of its wavelet coefficients. Hence, to overcome the limitations introduced by (4), the proposed approach uses equation 5where the maximum likelihood criterium estimates ., 1999a;Arivazhagan et al, 2011), inspired by a compression method previously published in (Lo Presto et al, 1997). These models assume the existence of an unknown smooth space-variant variance field.…”
mentioning
confidence: 99%