Universität Ulm

Daniel is an AI researcher specializing in Medical Imaging. He works in an interdisciplinary collaboration at Ulm University between the Clinic of Radiology and the Visual Computing Group (Website: Radiology–VISCOM collaboration). He received his Master’s degree in Electrical Engineering with a focus on automation technology in November 2020.


Research

Daniel’s goal is to investigate and advance AI algorithms to assist physicians and improve patient care.
His main research areas are:

  • Self-Supervised Pre-Training: Pre-training AI models on large-scale medical imaging datasets using methods such as masked autoencoders and contrastive learning. (e.g., Scientific Reports 2023 paper)
  • Vision-Language Models: Evaluating Vision-Language Models (e.g., ChatGPT, Gemini) on medical images and analyzing their limitations. (e.g., MICCAI 2025 paper)

You can find all his publications on Google Scholar.
Further, Daniel has served as a reviewer for the journals IEEE Transactions on Medical Imaging, Computers in Biology and Medicine (Elsevier), Scientific Reports (Nature), and the MICCAI conference.


Projects

Racoon:
Daniel is the local lead computer scientist in a national initiative connecting radiology departments across Germany for AI-based research. The project is funded by the German Federal Ministry of Research, Technology and Space (BMFTR). Website Racoon
His tasks are:

  • Setting up and maintaining server infrastructure
  • Working on ethical and data security clearances
  • Installing, maintaining, and coordinating AI research software in collaboration with industry partners (e.g., Brainlab, Mint Medical, ImFusion)
  • Training clinical staff in the use of AI research tools and software

KEMAI:
Since 2025, Daniel is an associated researcher in the Graduate School for Medical AI in Ulm (KEMAI). The program is funded by the German Research Foundation (DFG). Website KEMAI


Teaching

Daniel is passionate about teaching and is currently completing the Baden-Württemberg Certificate for Teaching in Higher Education.
His teaching activities include:

  • Lecture: Deep Learning with PyTorch (Bachelor Computer Science; Modules on Self-Supervised Pre-Training and Vision-Language Models)
  • Lecture: Medizinische Bildanalyse (Master Computer Science; Modules on Self-Supervised Pre-Trainign and Vision-Language Models in Medicine)
  • Project Course: Visual Deep Learning (Bachelor Computer Science; Supervision of student projects in Medical AI)
  • Project Course: Advanced Visual Deep Learning (Master Computer Science; Supervision of student projects in Medical AI)
  • Seminar Course: Research Trends in Visual Computing (Master Computer Science; Coordination of a seminar on literature research and scientific writing in medical AI)
  • Thesis: Supervision of Bachelor’s and Master’s theses on topics in medical AI

Supervised Students

  • Omar Abdelbaky: Bachelor’s Thesis (2026) Vision-Language Models for Medical Imagining
  • Jessica Thiessen: Project (2025) Attention in Vision-Language Models; Master’s Thesis (2026) Bias in Vision-Language Models
  • Simon Abel: Project (2025) Prompting Vision-Language Models; Master’s Thesis (2026) AI agents for medical image analysis
  • Casey Benjamin Thiessen: Project (2025) Attention in Vision-Language Models; Master’s Thesis (2026) Attention in SAM
  • Patricia Stöhr: Master’s Thesis (2025) Test Time Training in Medical Imaging
  • Tharani Srinivasan, Gunjan Yadav: Project (2025) Fine-Tuning Vision-Language Models
  • Patrick Moravec, Jerome Schwander: Project (2025) Medical Volume Segmentation
  • Helena Kaczmarek, Alina Gerl: Project (2025) Medical Volume Segmentation
  • Marina Grigoreva: Master Thesis (2024) From 2D slices to 3D volumes in medical imaging
  • Sabitha Manoj: Project (2023) Radiomics
  • Konstantin Müller: Project (2023) Radiomics
  • Gesa Mittmann: Master Thesis (2022) Sarcopenia detection with Deep Learning
  • Monalisa Nayak: Project (2022) 3D Medical Image Visualization

Talks

  • Talk: Pharma KI Konferenz Concept Heidelberg (2025) Karlsruhe Link
  • Paper Oral: German Conference on Medical Image Computing (2026) Lübeck Link Award for the Best Oral Presentation
  • Keynote: Jahrestagung der Südwestdeutsche Gesellschaft für NUKLEARMEDIZIN (2025) Karlsruhe Link
  • YouTube: Intro into Generative AI at the Clinical AI Academy Channel (2026) Link
  • Talk: ECA Academy AI Conference (2025) Copenhagen Link
  • Guest Lecture: Copenhagen Business School, Department of Digitalization, Prof. Maike Greve (2025)
  • Talk: GMP Pharma-Kongress (2025) Wiesbaden Link
  • Talk: Pharma KI Konferenz Concept Heidelberg (2025) Mannheim Link
  • Podcast: ChaosHacker-Talk (2025) Link
  • Keynote: ISPE France & GAMP Francophone - Intelligence Artificielle en environnement Pharma BPx/GxP (2024) Mulhouse Link

Publications

10 papers
Non-Hodgkin’s lymphoma classification using 3D radiomics machine learning models for precision imaging in oncology
Non-Hodgkin’s lymphoma classification using 3D radiomics machine learning models for precision imaging in oncology
Christoph Gerhard Lisson, Michael Götz, Daniel Wolf, Sabitha Manoj, Luisa Gallee, Stefan Andreas Schmidt, Eugen Tausch, Stephan Stilgenbauer, Ambros J. Beer, Meinrad Beer, Nico Sollmann, Cathrina Silvia Lisson
BMC Medical Imaging 2025
Your other Left! Vision-Language Models Fail to Identify Relative Positions in Medical Images
Your other Left! Vision-Language Models Fail to Identify Relative Positions in Medical Images
Daniel Wolf, Heiko Hillenhagen, Billurvan Taskin, Alex Bäuerle, Meinrad Beer, Michael Götz, Timo Ropinski
MICCAI 2025 PDF ‹›Code
Less is More: Selective reduction of CT data for self-supervised pre-training of deep learning models with contrastive learning improves downstream classification performance
Less is More: Selective reduction of CT data for self-supervised pre-training of deep learning models with contrastive learning improves downstream classification performance
Daniel Wolf, Tristan Payer, Cathrina Silvia Lisson, Christoph Gerhard Lisson, Meinrad Beer, Michael Götz*, Timo Ropinski*
CIBM 2024 PDF ‹›Code
Sarcopenia: Definition, radiological diagnosis, clinical significance
Sarcopenia: Definition, radiological diagnosis, clinical significance
Daniel Vogele, Nico Sollmann, Daniel Wolf, Meinrad Beer, Stefan Andreas Schmidt
RöFo 2023
CT Radiomics and Clinical Feature Model to Predict Lymph Node Metastases in Early-Stage Testicular Cancer
CT Radiomics and Clinical Feature Model to Predict Lymph Node Metastases in Early-Stage Testicular Cancer
Cathrina Silvia Lisson, Sabitha Manoj, Daniel Wolf, Jasper Schrader, Stefan Andreas Schmidt, Meinrad Beer, Michael Götz, Friedemann Zengerling, Christoph Gerhard Lisson
MDPI 2023 PDF
Self-Supervised Pre-Training with Contrastive and Masked Autoencoder Methods for Dealing with Small Datasets in Deep Learning for Medical Imaging
Self-Supervised Pre-Training with Contrastive and Masked Autoencoder Methods for Dealing with Small Datasets in Deep Learning for Medical Imaging
Daniel Wolf, Tristan Payer, Cathrina Silvia Lisson, Christoph Gerhard Lisson, Meinrad Beer, Michael Götz*, Timo Ropinski*
Nature Scientific Reports 2023 PDF ‹›Code
Longitudinal CT Imaging to Explore the Predictive Power of 3D Radiomic Tumour Heterogeneity in Precise Imaging of Mantle Cell Lymphoma (MCL)
Longitudinal CT Imaging to Explore the Predictive Power of 3D Radiomic Tumour Heterogeneity in Precise Imaging of Mantle Cell Lymphoma (MCL)
Cathrina Silvia Lisson, Christoph Gerhard Lisson, Sherin Achilles, Marc Fabian Mezger, Daniel Wolf, Stefan Andreas Schmidt, Wolfgang Thaiss, Johannes Bloehdorn, Ambros J. Beer, Stephan Stilgenbauer, Meinrad Beer, Michael Götz
MDPI 2022 PDF
Deep Neural Networks and Machine Learning Radiomics Modelling for Prediction of Relapse in Mantle Cell Lymphoma
Deep Neural Networks and Machine Learning Radiomics Modelling for Prediction of Relapse in Mantle Cell Lymphoma
Cathrina Silvia Lisson, Christoph Gerhard Lisson, Marc Fabian Mezger, Daniel Wolf, Stefan Andreas Schmidt, Wolfgang Thaiss, Eugen Tausch, Ambros J. Beer, Stephan Stilgenbauer, Meinrad Beer, Michael Götz
MDPI 2022 PDF
Weakly Supervised Learning with Positive and Unlabeled Data for Automatic Brain Tumor Segmentation
Weakly Supervised Learning with Positive and Unlabeled Data for Automatic Brain Tumor Segmentation
Daniel Wolf, Sebastian Regnery, Rafal Tarnawski, Barbara Bobek-Billewicz, Michael Götz
MDPI 2022 PDF
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