Image restoration using a conjugate gradient-based adaptive filtering algorithm |
| |
Authors: | Kyung Sub Joo Tamal Bose Guo Fang Xu |
| |
Affiliation: | (1) Department of Electrical Engineering, University of Colorado, Campus Box 110, P.O. Box 173364, 80217-3364 Denver, Colorado |
| |
Abstract: | 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.This work was supported in part by a grant from the Colorado Advanced Software Institute. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |