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math.OC2025
Fast Inexact Bilevel Optimization for Analytical Deep Image Priors
Mohammad Sadegh Salehi, Tatiana A. Bubba, Yury Korolev
The analytical deep image prior (ADP) introduced by Dittmer et al. (2020) establishes a link between deep image priors and classical regularization theory via bilevel optimization.…
math.OC2025
Revisiting DONet: microlocally inspired filters for incomplete-data tomographic reconstructions
Tatiana A. Bubba, Luca Ratti, Andrea Sebastiani
In this paper, we revisit a supervised learning approach based on unrolling, known as DONet, by providing a deeper microlocal interpretation for its theoretical analysis, and e…