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math.OC2024
Bilevel Learning with Inexact Stochastic Gradients
Mohammad Sadegh Salehi, Subhadip Mukherjee, Lindon Roberts +1
Bilevel learning has gained prominence in machine learning, inverse problems, and imaging applications, including hyperparameter optimization, learning data-adaptive regularizers,…
math.OC2024
An Adaptively Inexact Method for Bilevel Learning Using Primal-Dual Style Differentiation
Lea Bogensperger, Matthias J. Ehrhardt, Thomas Pock +2
We consider a bilevel learning framework for learning linear operators. In this framework, the learnable parameters are optimized via a loss function that also depends on the minim…