On the Convergence of Primal-Dual Hybrid Gradient Algorithm

The primal-dual hybrid gradient algorithm (PDHG) has been widely used, especially for some basic image processing models. In the literature, PDHG's convergence was established only under some restrictive conditions on its step sizes. In this paper, we revisit PDHG's convergence in the cont...

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Vydané v:	SIAM journal on imaging sciences Ročník 7; číslo 4; s. 2526 - 2537
Hlavní autori:	He, Bingsheng, You, Yanfei, Yuan, Xiaoming
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	01.01.2014
Predmet:	Algorithms Complexity Constants Convergence Image processing Imaging Iterative methods Mathematical models
ISSN:	1936-4954, 1936-4954
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