no code implementations • 30 Jan 2024 • Hwanwoo Kim, Daniel Sanz-Alonso
This paper studies Bayesian optimization with noise-free observations.
no code implementations • 29 Jan 2024 • Hwanwoo Kim, Xin Zhang, Jiwei Zhao, Qinglong Tian
This work focuses on the target shift problem in a regression setting (Zhang et al., 2013; Nguyen et al., 2016).
no code implementations • 20 Oct 2022 • Hwanwoo Kim, Daniel Sanz-Alonso, Ruiyi Yang
We rely on a point cloud of manifold samples to define a graph Gaussian process surrogate model for the objective.
no code implementations • 26 Nov 2021 • Shiv Agrawal, Hwanwoo Kim, Daniel Sanz-Alonso, Alexander Strang
Hierarchical models with gamma hyperpriors provide a flexible, sparse-promoting framework to bridge $L^1$ and $L^2$ regularizations in Bayesian formulations to inverse problems.