Poisson Noise Removal Scheme Based on Fourth-Order PDE by Alternating Minimization Algorithm

To overcome the staircasing effects introduced by the TV regularization in image restoration, this paper investigates a fourth-order partial differential equation (PDE) filter for removing Poisson noise. In consideration of the slow convergence property of the classical gradient descent method, we a...

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Vydané v:	Abstract and Applied Analysis Ročník 2012; číslo 1; s. 1759 - 1772-801
Hlavní autori:	Zhou, Weifeng, Li, Qingguo
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Hindawi Limiteds 01.01.2012 Hindawi Publishing Corporation Wiley
ISSN:	1085-3375, 1687-0409
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