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引用次数: 0
摘要
我们提出了三种基于前向-后向分裂技术的新算法,用于求解实希尔伯特空间中的单调包含问题。由于使用了非单调步长准则,所提出的算法能在单值算子的 Lipschitz 常数缺失的情况下自适应地工作。在一些适当的假设条件下,研究了所开发算法的弱收敛性、强收敛性和 R 线性收敛性。最后,我们将算法应用于解决信号和图像领域的复原问题,并与文献中的一些相关算法进行了比较。
On relaxed inertial projection and contraction algorithms for solving monotone inclusion problems
We present three novel algorithms based on the forward-backward splitting technique for the solution of monotone inclusion problems in real Hilbert spaces. The proposed algorithms work adaptively in the absence of the Lipschitz constant of the single-valued operator involved thanks to the fact that there is a non-monotonic step size criterion used. The weak and strong convergence and the R-linear convergence of the developed algorithms are investigated under some appropriate assumptions. Finally, our algorithms are put into practice to address the restoration problem in the signal and image fields, and they are compared to some pertinent algorithms in the literature.
期刊介绍:
Advances in Computational Mathematics publishes high quality, accessible and original articles at the forefront of computational and applied mathematics, with a clear potential for impact across the sciences. The journal emphasizes three core areas: approximation theory and computational geometry; numerical analysis, modelling and simulation; imaging, signal processing and data analysis.
This journal welcomes papers that are accessible to a broad audience in the mathematical sciences and that show either an advance in computational methodology or a novel scientific application area, or both. Methods papers should rely on rigorous analysis and/or convincing numerical studies.