Generalized RMIL conjugate gradient method under the strong Wolfe line search with application in image processing

RMIL conjugate gradient method originally proposed by Rivaie et al. (2012) has recently gained lots of attention. In this article, we propose a generalized conjugate gradient parameter that contains both RMIL and its variant, that is, RMIL+, as special cases. We show that the search direction genera...

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Bibliographic Details
Published in:Mathematical methods in the applied sciences 2023-11, Vol.46 (16), p.17544-17556
Main Authors: Awwal, Aliyu Muhammed, Wang, Lin, Kumam, Poom, Sulaiman, Mohammed Ibrahim, Salisu, Sani, Salihu, Nasiru, Yodjai, Petcharaporn
Format: Article
Language:English
Subjects:
Conjugate gradient method
Image processing
Image restoration
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Summary:RMIL conjugate gradient method originally proposed by Rivaie et al. (2012) has recently gained lots of attention. In this article, we propose a generalized conjugate gradient parameter that contains both RMIL and its variant, that is, RMIL+, as special cases. We show that the search direction generated by the new method is sufficiently descent. Under standard mild conditions, we discuss the convergence analysis of the propose method. We demonstrate the numerical efficiency of the propose method on a set of unconstrained minimization benchmark test problems as well as an image restoration problem. The results of the experiment reveal that the proposed method performs better than its main competitors.
ISSN:0170-4214
1099-1476
DOI:10.1002/mma.9515