Search Results for author: Christoph Zimmer

Found 9 papers, 6 papers with code

Efficiently Computable Safety Bounds for Gaussian Processes in Active Learning

1 code implementation28 Feb 2024 Jörn Tebbe, Christoph Zimmer, Ansgar Steland, Markus Lange-Hegermann, Fabian Mies

Active learning of physical systems must commonly respect practical safety constraints, which restricts the exploration of the design space.

Active Learning Gaussian Processes

Global Safe Sequential Learning via Efficient Knowledge Transfer

1 code implementation22 Feb 2024 Cen-You Li, Olaf Duennbier, Marc Toussaint, Barbara Rakitsch, Christoph Zimmer

As transferable source knowledge is often available in safety critical experiments, we propose to consider transfer safe sequential learning to accelerate the learning of safety.

Active Learning Bayesian Optimization +2

Amortized Inference for Gaussian Process Hyperparameters of Structured Kernels

1 code implementation16 Jun 2023 Matthias Bitzer, Mona Meister, Christoph Zimmer

We propose amortizing kernel parameter inference over a complete kernel-structure-family rather than a fixed kernel structure.

Active Learning Bayesian Optimization +1

Hierarchical-Hyperplane Kernels for Actively Learning Gaussian Process Models of Nonstationary Systems

1 code implementation17 Mar 2023 Matthias Bitzer, Mona Meister, Christoph Zimmer

Machine learning methods that are used to produce the surrogate model should therefore address these problems by providing a scheme to keep the number of queries small, e. g. by using active learning and be able to capture the nonlinear and nonstationary properties of the system.

Active Learning Gaussian Processes

Structural Kernel Search via Bayesian Optimization and Symbolical Optimal Transport

1 code implementation21 Oct 2022 Matthias Bitzer, Mona Meister, Christoph Zimmer

Despite recent advances in automated machine learning, model selection is still a complex and computationally intensive process.

Bayesian Optimization Gaussian Processes +1

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