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A Preconditioning Technique for First-Order Primal-Dual Splitting Method in Convex Optimization
We introduce a preconditioning technique for the firstâorder primalâdual splitting method. The primalâdual splitting method offers a very general framework for solving a large class of optimization problems arising in image processing. The key idea of the preconditioning technique is that the constant iterative parameters are updated selfâadaptively in the âŚ