activity
20232026
most citedSafe Reinforcement Learning in Black-Box Environments via Adaptive Shielding

1 citations · 2 across the 5 of their papers we have counts for

collaborators
Showing cs.LGShow all

8 papers · 1 filter

cs.LG2026

Repurposing Obsolete Representations for Post-Deployment Adaptation

Daniel Bethell, Charmaine Barker, Simos Gerasimou

Deep neural networks are increasingly deployed in long-lived systems, where task requirements may change after training. In such settings, part of the original output space may bec…

cs.LG2026

Robust Evidential Learning Through Latent Consistency

Charmaine Barker, Daniel Bethell, Simos Gerasimou

Reliable uncertainty quantification is essential for deploying deep learning models in high-stakes settings, where out-of-distribution and adversarial inputs can induce confident b…

cs.LG2025

Learning to Navigate Under Imperfect Perception: Conformalised Segmentation for Safe Reinforcement Learning

Daniel Bethell, Simos Gerasimou, Radu Calinescu +1

Reliable navigation in safety-critical environments requires both accurate hazard perception and principled uncertainty handling to strengthen downstream safety handling. Despite t…

cs.LG2025

Safe But Not Sorry: Reducing Over-Conservatism in Safety Critics via Uncertainty-Aware Modulation

Daniel Bethell, Simos Gerasimou, Radu Calinescu +1

Ensuring the safe exploration of reinforcement learning (RL) agents is critical for deployment in real-world systems. Yet existing approaches struggle to strike the right balance:…

cs.LG2025

Guided Uncertainty Learning Using a Post-Hoc Evidential Meta-Model

Charmaine Barker, Daniel Bethell, Simos Gerasimou

Reliable uncertainty quantification remains a major obstacle to the deployment of deep learning models under distributional shift. Existing post-hoc approaches that retrofit pretra…

cs.LG2025

Robust Adversarial Quantification via Conflict-Aware Evidential Deep Learning

Charmaine Barker, Daniel Bethell, Simos Gerasimou

Reliability of deep learning models is critical for deployment in high-stakes applications, where out-of-distribution or adversarial inputs may lead to detrimental outcomes. Eviden…

cs.LG2024

Learning Fairer Representations with FairVIC

Charmaine Barker, Daniel Bethell, Dimitar Kazakov

Mitigating bias in automated decision-making systems, particularly in deep learning models, is a critical challenge due to nuanced definitions of fairness, dataset-specific biases,…

cs.LG2023★ 1 cited

Robust Uncertainty Quantification Using Conformalised Monte Carlo Prediction

Daniel Bethell, Simos Gerasimou, Radu Calinescu

Deploying deep learning models in safety-critical applications remains a very challenging task, mandating the provision of assurances for the dependable operation of these models.…