Search Results for author: Sophie Fellenz

Found 8 papers, 1 papers with code

Reimagining Anomalies: What If Anomalies Were Normal?

no code implementations22 Feb 2024 Philipp Liznerski, Saurabh Varshneya, Ece Calikus, Sophie Fellenz, Marius Kloft

Deep learning-based methods have achieved a breakthrough in image anomaly detection, but their complexity introduces a considerable challenge to understanding why an instance is predicted to be anomalous.

Anomaly Detection counterfactual

Evaluating Dynamic Topic Models

no code implementations12 Sep 2023 Charu James, Mayank Nagda, Nooshin Haji Ghassemi, Marius Kloft, Sophie Fellenz

There is a lack of quantitative measures to evaluate the progression of topics through time in dynamic topic models (DTMs).

Topic Models

Text Style Transfer Evaluation Using Large Language Models

no code implementations25 Aug 2023 Phil Ostheimer, Mayank Nagda, Marius Kloft, Sophie Fellenz

This suggests that LLMs could be a feasible alternative to human evaluation and other automated metrics in TST evaluation.

Style Transfer Text Style Transfer

Learning to Play Text-based Adventure Games with Maximum Entropy Reinforcement Learning

1 code implementation21 Feb 2023 Weichen Li, Rati Devidze, Sophie Fellenz

To deal with sparse extrinsic rewards from the environment, we combine it with a potential-based reward shaping technique to provide more informative (dense) reward signals to the RL agent.

Q-Learning reinforcement-learning +2

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