On global and local convergence of half-quadratic algorithms

被引：0

作者：

Allain, M ^{[1
]}

Idier, J ^{[1
]}

Goussard, Y ^{[1
]}

机构：

[1] Univ Paris 11, CNRS Supelec, Signaux & Syst Lab, F-91192 Gif Sur Yvette, France

来源：

2002 INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOL II, PROCEEDINGS | 2002年

关键词：

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

This study gives original results on the global and local convergence properties of half-quadratic (HQ) algorithms resulting from the Geman and Yang (GY) and Geman and Reynolds (GR) primal-dual constructions. In particular, we show that the convergence domain of the GY algorithm can be extended with the benefit of an improved convergence rate.

引用

页码：833 / 836

页数：4

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