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Robustness and Exploration of Variational and Machine Learning Approaches to Inverse Problems: An Overview

19 Feb 2024arXiv:2402.12072archive 2025-07-28

Alexander Auras, Kanchana Vaishnavi Gandikota, Hannah Droege, Michael Moeller

This paper provides an overview of current approaches for solving inverse problems in imaging using variational methods and machine learning. A special focus lies on point estimators and their robustness against adversarial perturbations. In this context results of numerical experiments for a one-dimensional toy problem are provided, showing the robustness of different approaches and empirically verifying theoretical guarantees. Another focus of this review is the exploration of the subspace of data-consistent solutions through explicit guidance to satisfy specific semantic or textural properties.

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