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	    <datestamp>2025-08-07T12:36:22Z</datestamp>
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<dc:title xml:lang="pl"><![CDATA[A combination of two conjugate gradient methods under a new line search with its application in image restoration problems]]></dc:title>
<dc:creator><![CDATA[Maiza, Asma]]></dc:creator>
<dc:creator><![CDATA[Ziadi, Raouf]]></dc:creator>
<dc:creator><![CDATA[Saleh, Mohammed A.]]></dc:creator>
<dc:creator><![CDATA[Almaymuni, Abdulgader Z.]]></dc:creator>
<dc:subject xml:lang="pl"><![CDATA[unconstrained optimization]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[conjugate gradient methods]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[inexact line search]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[global convergence]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[image processing]]></dc:subject>
<dc:description xml:lang="pl"><![CDATA[A combined conjugate gradient algorithm is introduced for solving unconstrained optimization problems. In the suggested approach, the conjugate gradient parameter is defined as a combination of PRP (Polak-Ribiére-Polyak) and BRB (Rahali- Belloufi-Benzine) conjugate gradient parameters. To improve the convergence properties, we have adopted a new inexact line search technique that fits in with the suggested approach. The proposed line search technique can be useful for other gradient descent methods.]]></dc:description>
<dc:description xml:lang="pl"><![CDATA[We have established the existence of a step length that meets the new line search conditions. The generated descent direction and the convergence properties of the suggested approach are studied under the new line search conditions and the proposed method converges globally under mild assumptions. Our approach is evaluated on various test functions, and a comparison with similar recent algorithms is carried out. Furthermore, the proposed algorithm is applied for restoring images with different noise levels.]]></dc:description>
<dc:publisher><![CDATA[Zielona Góra: Uniwersytet Zielonogórski]]></dc:publisher>
<dc:contributor><![CDATA[Korbicz, Józef (1951- ) - red.]]></dc:contributor>
<dc:contributor><![CDATA[Uciński, Dariusz - red.]]></dc:contributor>
<dc:date><![CDATA[2025]]></dc:date>
<dc:type xml:lang="pl"><![CDATA[artykuł]]></dc:type>
<dc:identifier><![CDATA[http://www.zbc.uz.zgora.pl/repozytorium/Content/87257/AMCS_2025_35_2_6.pdf]]></dc:identifier>
<dc:identifier><![CDATA[https://zbc.uz.zgora.pl/repozytorium/dlibra/publication/101989/edition/87257/content]]></dc:identifier>
<dc:identifier><![CDATA[oai:zbc.uz.zgora.pl:87257]]></dc:identifier>
<dc:source xml:lang="pl"><![CDATA[AMCS, volume 35, number 2 (2025)]]></dc:source>
<dc:source xml:lang="pl"><![CDATA[https://www.amcs.uz.zgora.pl/?action=papers&issue=136]]></dc:source>
<dc:language><![CDATA[eng]]></dc:language>
<dc:relation><![CDATA[oai:zbc.uz.zgora.pl:publication:101989]]></dc:relation>
<dc:rights xml:lang="pl"><![CDATA[Biblioteka Uniwersytetu Zielonogórskiego]]></dc:rights>
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