collaborators

9 papers

cs.LG2026

Beyond Predictive Fairness: Quantifying Attribution Consistency Across Demographic Groups in Diabetic Retinopathy Screening

Kerol Djoumessi, Philipp Berens

Fairness in medical imaging is commonly evaluated through subgroup performance metrics, yet it remains unclear whether models rely on consistent visual evidence across demographic…

cs.CV2026

Towards Interpretable Foundation Models for Retinal Fundus Images

Samuel Ofosu Mensah, Camila Roa, Kerol Djoumessi +1

Foundation models are used to extract transferable representations from large amounts of unlabeled data, typically via self-supervised learning (SSL). However, many of these models…

cs.CV2026

TTE-CAM: Self-Explainable Class Activation Maps for Pretrained Black-Box CNNs

Kerol Djoumessi, Philipp Berens

Convolutional neural networks (CNNs) achieve state-of-the-art performance in medical image analysis yet remain opaque, limiting adoption in high-stakes clinical settings. Existing…

cs.CV2026

PubMed-Ophtha: An open resource for training ophthalmology vision-language models on scientific literature

Verena Jasmin Hallitschke, Carsten Eickhoff, Philipp Berens

Vision-language models hold considerable promise for ophthalmology, but their development depends on large-scale, high-quality image-text datasets that remain scarce. We present Pu…

cs.CV2026

Mitigating Shortcut Learning via Feature Disentanglement in Medical Imaging: A Benchmark Study

Sarah Müller, Philipp Berens

Although deep learning models in medical imaging often achieve excellent classification performance, they can rely on shortcut learning, exploiting spurious correlations or confoun…

cs.LG2026

Soft-CAM: Making black box models self-explainable for medical image analysis

Kerol Djoumessi, Philipp Berens

Convolutional neural networks (CNNs) are widely used for high-stakes applications like medicine, often surpassing human performance. However, most explanation methods rely on post-…