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.
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收藏
页码：833 / 836
页数：4
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