Image restoration using a conjugate gradient-based adaptive filtering algorithm

被引：9
|
作者：
Joo, KS
Bose, T
Xu, GF
机构：
[1] Department of Electrical Engineering, University of Colorado, Campus Box 110, Denver, CO 80217-3364
来源：
CIRCUITS SYSTEMS AND SIGNAL PROCESSING | 1997年 / 16卷 / 02期
关键词：
D O I：
10.1007/BF01183274
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new two-dimensional (2D) sample-based conjugate gradient (SCG) algorithm is developed for adaptive filtering. This algorithm is based on the conjugate gradient method of optimization and therefore has a fast convergence characteristic. The SCG is computationally simpler than the recursive least squares (RLS) algorithm. The SCG algorithm with the equation-error and output-error methods is investigated for application in image restoration. Simulation results show that the new algorithm significantly outperforms existing algorithms in the restoration of noisy images.
引用
收藏
页码：197 / 206
页数：10
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