Felix Dülmer

Ph.D. Candidate

I am a Ph.D. candidate in computer science working at the intersection of medical imaging, robotics, and physics-based simulation. My research focuses on advanced ultrasound imaging, with an emphasis on novel view synthesis, differentiable rendering, and robot-assisted acquisition. I am particularly interested in combining learning-based scene representations with physical image formation models to improve robustness, interpretability, and clinical relevance.

My work is conducted at the Technical University of Munich under the supervision of Prof. Nassir Navab, with affiliations to the Chair for Computer Aided Medical Procedures and the Institute of Biological and Medical Imaging. My work has been published at international conferences in medical imaging and machine learning.

I am currently a visiting researcher at Stanford University, specifically in the Ultrasound Imaging and Instrumentation Lab under Prof. Jeremy Dahl, where I work on differentiable ultrasound modeling and continuous representations for speed-of-sound estimation.

  • Email: felix.duelmer@tum.de

Publications

UltraG-Ray teaser image

UltraG-Ray: Physics-Based Gaussian Ray Casting for Novel Ultrasound View Synthesis

MIDL 2026 (Accepted)

Dülmer, F., Klaushofer, J., Wysocki, M., Navab, N., & Azampour, M. F.

UltraScatter teaser image

UltraScatter: Ray-Based Simulation of Ultrasound Scattering

IEEE IUS 2025 (Utrecht, Netherlands) · arXiv:2510.10612

Dülmer, F., Azampour, M. F., & Navab, N.

UltraRay teaser image

UltraRay: Introducing Full-Path Ray Tracing in Physics-Based Ultrasound Simulation

MICCAI 2025 · arXiv:2501.05828

Dülmer, F., Azampour, M. F., Wysocki, M., & Navab, N.

Annual Review paper teaser image

Machine Learning in Robotic Ultrasound Imaging: Challenges and Perspectives

Annual Review of Control, Robotics, and Autonomous Systems (2024)

Bi, Y., Jiang, Z., Dülmer, F., Huang, D., & Navab, N.

PHOCUS teaser image

PHOCUS: Physics-Based Deconvolution for Ultrasound Resolution Enhancement

ASMUS 2024 (LNCS) · arXiv:2408.03657

Dülmer, F., Simson, W., Azampour, M. F., Wysocki, M., Karlas, A., & Navab, N.

DopUS-Net teaser image

DopUS-Net: Quality-Aware Robotic Ultrasound Imaging based on Doppler Signal

IEEE TASE (2023) · arXiv:2305.08938 · ICRA 2024

Jiang, Z.*, Dülmer, F.*, & Navab, N.

Optoacoustic biomarkers paper teaser image

Optoacoustic biomarkers of lipids, hemorrhage and inflammation in carotid atherosclerosis

Frontiers in Cardiovascular Medicine (2023)

Karlas, A., Fasoula, N.-A., Kallmayer, M., Schäffer, C., Angelis, G., Katsouli, N., Reidl, M., Dülmer, F., Al Adem, K., Hadjileontiadis, L., Eckstein, H.-H., Ntziachristos, V.

Experience

Visiting Researcher

03/2026 – 05/2026

Stanford University, Ultrasound Imaging and Instrumentation Lab (Prof. Jeremy Dahl), Stanford, CA, USA

  • Working on differentiable ultrasound modeling for physically grounded image formation.
  • Working on continuous representations for speed-of-sound estimation.

Internship / Working Student — Mobile Software Developer

04/2021 – 12/2022

Workerbase GmbH, Munich, Germany

  • Developed and maintained two cross-platform industrial mobile applications deployed to several thousand factory workers
  • Worked with Android (Kotlin, Java), iOS (Swift), and Flutter (Dart) for scalable cross-platform development
  • Applied clean architecture, design patterns, and test-driven development

Research Assistant

09/2017 – 08/2020

Technical University of Munich, Germany

  • Maintained and extended a driving simulator for automated driving research
  • Onboarded and trained students on simulator usage and associated software platforms
  • Contributed to prototype development for higher levels of vehicle autonomy

Education

Ph.D. in Computer Science

01/2023 – Present

Technical University of Munich, Germany

  • Ph.D. research in medical imaging, robotics, and physics-based simulation
  • Focus on ultrasound imaging, novel view synthesis, and differentiable rendering
  • Development of learning-based scene representations with physical image formation models
  • Robot-assisted ultrasound acquisition and analysis

M.Sc. Mechatronics and Robotics

10/2018 – 09/2022

Technical University of Munich, Germany

  • Specialization in robot-assisted medical systems and image-guided interventions
  • Development of robotic and software prototypes for medical applications

Exchange Semester (Postgraduate)

07/2019 – 12/2019

Universidad de los Andes, Colombia

  • Coursework in big data analytics, deep learning, and numerical optimization
  • Applied data-driven methods to large-scale and high-dimensional datasets

Term Paper — Cognitive Systems Lab

04/2019 – 06/2019

University of Tsukuba, Japan

  • Designed and evaluated a tactile steering wheel for autonomous driving
  • Conducted a controlled user study on a Japanese cohort with synchronized EEG recordings

B.Sc. Mechanical Engineering

10/2014 – 10/2018

Technical University of Munich, Germany

  • Focus on autonomous driving systems and vehicle dynamics
  • Engineering foundation in mechanics, control, and embedded systems

Contact

For any research or collaboration enquiries, please do not hesitate to contact me.

Location:

Munich, Germany

Address:

IFL, Munich, Germany