期刊
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
卷 -, 期 -, 页码 -出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSMC.2023.3329492
关键词
Convex optimization; diagonal Riemannian metric; global convergence; neurodynamic flow; Riemannian manifold
In recent years, Riemannian geometry has been widely applied to solve nonlinear programming problems, and a class of neurodynamic flow approaches has been proposed, which have global convergence and feasibility in seeking the minimum point of convex and quasi-convex minimum problems. Furthermore, the approach can also be adapted to competitive neural networks and image and signal processing in compressive sensing.
In recent years, Riemannian geometry, as an import-ant tool for designing and analyzing continuous trajectory flows, has been widely applied to solve nonlinear programming problems due to its ability to inspire the design of a new class of approaches for solving such problems. We first review some properties of invariant Riemannian metrics, then investigate the diagonal metric defined in general on the manifold R-+ +(n), some geometric properties are derived, and finally a class of neurodynamic flow approaches are also proposed. The global existence and feasibility results of the produced neurodynamic flow approaches are obtained and the results can be further extended to a more universal smooth function. The asymptotical behaviors of proposed neurodynamic flow approaches are also analyzed and studied, and global convergence of the proposed neurodynamic flow approaches for seeking the minimum point of the convex and quasi-convex minimum problems on the non-negative orthant domain is developed. In addition, the derived convergence results can directly be adapted to the competitive Cohen-Grossberg neural networks as well as to image and signal processing in compressive sensing. The correctness and superiority of our proposed neurodynamic flow approaches are verified by some sparse signal and image reconstruction examples.
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