2007
DOI: 10.1016/j.mednuc.2007.03.011
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Comparaison de techniques de débruitage des images scintigraphiques

Abstract: Les images scintigraphiques sont fortement affectées par du bruit poissonnien. Cet article présente les résultats d'une comparaison de débruiteurs de bruit poissonnien selon différents critères : le gain en rapport signal-sur-bruit, la préservation de la résolution et du contraste, et la qualité visuelle. Les techniques en ondelettes récentes pour débruiter un bruit poissonnien se répartissent en deux classes, basées sur : (1) la représentation de Haar, (2) la transformation du bruit poissonnien en bruit gauss… Show more

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“…For the existing Bayesian approaches, we can distinguish univariate and multivariate density estimation both achieving interesting results in practice [7, 8]. In addition, referring to the comparison of different approaches provided by Kirkove [9] and by Besbeas [10], we can conclude that the Bayesian estimators perform interesting results [7]. …”
Section: Related Workmentioning
confidence: 99%
“…For the existing Bayesian approaches, we can distinguish univariate and multivariate density estimation both achieving interesting results in practice [7, 8]. In addition, referring to the comparison of different approaches provided by Kirkove [9] and by Besbeas [10], we can conclude that the Bayesian estimators perform interesting results [7]. …”
Section: Related Workmentioning
confidence: 99%