Iterative methods for solving linear inverse problems with neural network coders

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• Otmar Scherzer (Universität Wien)
• Tuesday 20 June 2023, 16:00-17:00
• Seminar Room 1, Newton Institute.

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RNTW04 - Synergistic workshop on Rich and Nonlinear tomography aimed at drawing together all strands of both methods and applications with new insights

Neural networks functions are considered to be able to describe the desired solution of an inverse problem very efficiently, thus allow for sparse encoding of the desired reconstruction.  In this talk we consider the problem of solving linear inverse problems with neural network coders with a Gauss-Newton method.In an abstract setting this problem has been considered for some time, for instance under the name of state space regularization. In this paper we prove a local convergence results for some Gauss-Newton method.  This is a joint work with Leon Frischauf, Bernd Hofmann, Zuhair Nashed and Cong Shi

This talk is part of the Isaac Newton Institute Seminar Series series.

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