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Convergence Analysis of the FOCUSS Algorithm
By: Cichocki, A.; He, Z.; Xie, K.;
2015 / IEEE
This item from - IEEE Transaction - Computing and Processing - Focal Underdetermined System Solver (FOCUSS) is a powerful and easy to implement tool for basis selection and inverse problems. One of the fundamental problems regarding this method is its convergence, which remains unsolved until now. We investigate the convergence of the FOCUSS algorithm in this paper. We first give a rigorous derivation for the FOCUSS algorithm by exploiting the auxiliary function. Following this, we further prove its convergence by stability analysis.
Components, Circuits, Devices And Systems
General Topics For Engineers
Focal Underdetermined System Solver (focuss) Algorithm
Signal Processing Algorithms
Global Convergence Theorem.
Communication, Networking And Broadcast Technologies
Computing And Processing
Algorithm Design And Analysis