Multi-modal pain intensity assessment based on physiological signals: A deep learning perspective

P Thiam, H Hihn, DA Braun, HA Kestler… - Frontiers in …, 2021 - frontiersin.org
Traditional pain assessment approaches ranging from self-reporting methods, to
observational scales, rely on the ability of an individual to accurately assess and …

Soft q-learning with mutual-information regularization

J Grau-Moya, F Leibfried, P Vrancx - International conference on …, 2018 - openreview.net
We propose a reinforcement learning (RL) algorithm that uses mutual-information
regularization to optimize a prior action distribution for better performance and exploration …

Bounded rational decision-making from elementary computations that reduce uncertainty

S Gottwald, DA Braun - Entropy, 2019 - mdpi.com
In its most basic form, decision-making can be viewed as a computational process that
progressively eliminates alternatives, thereby reducing uncertainty. Such processes are …

Specialization in hierarchical learning systems: a unified information-theoretic approach for supervised, unsupervised and reinforcement learning

H Hihn, DA Braun - Neural Processing Letters, 2020 - Springer
Joining multiple decision-makers together is a powerful way to obtain more sophisticated
decision-making systems, but requires to address the questions of division of labor and …

Hierarchically structured task-agnostic continual learning

H Hihn, DA Braun - Machine Learning, 2023 - Springer
One notable weakness of current machine learning algorithms is the poor ability of models
to solve new problems without forgetting previously acquired knowledge. The Continual …

Quantifying motor task performance by bounded rational decision theory

S Schach, S Gottwald, DA Braun - Frontiers in neuroscience, 2018 - frontiersin.org
Expected utility models are often used as a normative baseline for human performance in
motor tasks. However, this baseline ignores computational costs that are incurred when …

An information-theoretic on-line learning principle for specialization in hierarchical decision-making systems

H Hihn, S Gottwald, DA Braun - 2019 IEEE 58th conference on …, 2019 - ieeexplore.ieee.org
Information-theoretic bounded rationality describes utility-optimizing decision-makers whose
limited information-processing capabilities are formalized by information constraints. One of …

[HTML][HTML] Online continual learning through unsupervised mutual information maximization

H Hihn, DA Braun - Neurocomputing, 2024 - Elsevier
Catastrophic forgetting remains a challenge for artificial learning systems, especially in the
case of Online learning, where task information is unavailable. This work proposes a novel …

Mixture-of-variational-experts for continual learning

H Hihn, DA Braun - arXiv preprint arXiv:2110.12667, 2021 - arxiv.org
One weakness of machine learning algorithms is the poor ability of models to solve new
problems without forgetting previously acquired knowledge. The Continual Learning (CL) …

Hierarchical expert networks for meta-learning

H Hihn, DA Braun - arXiv preprint arXiv:1911.00348, 2019 - arxiv.org
The goal of meta-learning is to train a model on a variety of learning tasks, such that it can
adapt to new problems within only a few iterations. Here we propose a principled …