Christian Sommer

Work at ZHAW

Position

Research associate in the field of safety-critical systems (SKS) at the Institute for Applied Mathematics and Physics (IAMP)

Focus

• Hardware in the Loop (HIL) Test System
• Development and testing of electronic hardware components.
• Hazard and risk analyses (e.g. FMEDA) of hardware.
• Image and dose optimization in computed tomography (CT)
• Dosimetry for ionizing radiation (measurement and Monte Carlo simulations)

Education and Continuing education

Education

Car mechanic EFZ
AMAG Winterthur
08 / 2002 - 08 / 2006

Continuing Education

Systems Engineering (Mechatronics)
Zurich University of Applied Sciences
07 / 2014

Network

ORCID digital identifier

ORCID ID: 0000-0002-6634-3933

Projects

• Rad Dose and Image Qual Monitoring RADIM / Team member / ongoing
• Safe and Automated Logistics Vehicles for all-weather hilly outdoor Environments / Team member / ongoing
• AI-based supervision System for Ropeway Systems / Team member / ongoing
• PHARAO / Deputy project leader / completed
• Machine Protection and Autonomous Predictive Interlock System / Team member / completed
• OptiRad / Deputy project leader / completed
• Advanced Electronic Personal Dosemeter / Team member / completed
• Phantom- and Model-based Optimisation of Medical Imaging Modalities / Team member / completed

Publications

Articles in scientific journal, peer-reviewed

• Stocker, D., Sommer, C., Gueng, S., Stäuble, J., Özden, I., Griessinger, J., Weyland, M. S., Lutters, G., & Scheidegger, S. (2024). Probabilistic U-Net model observer for the DDC method in CT scan protocol optimization. Physics in Medicine & Biology, 69(11). https://doi.org/10.1088/1361-6560/ad4302
• Sommer, C., Özden, I., Weyland, M. S., Duran, C., Lutters, G., & Scheidegger, S. (2022). Feasibility of a method for low contrast CT image quality assessment using difference detail curves for abdominal scans. Zeitschrift Für Medizinische Physik, 32(2), 209–217. https://doi.org/10.1016/j.zemedi.2022.01.001
• Pyka, M., Eschle, P., Sommer, C., Weyland, M. S., Kubik, R., & Scheidegger, S. (2018). Effect of thyroid shielding during mammography : measurements on phantom and patient as well as estimation with Monte Carlo simulation. European Radiology Experimental, 2(14). https://doi.org/10.1186/s41747-018-0042-9
• Sommer, C., Icken, N., Özden, I., Lutters, G., & Scheidegger, S. (2017). Evaluation of low contrast resolution and radiation dose in abdominal CT protocols by a difference detail curve (DDC) method. Current Directions in Biomedical Engineering, 3(2), 517–519. https://doi.org/10.1515/cdbme-2017-0109
• D’Isidoro, F., Eschle, P., Zumbrunn, T., Sommer, C., Scheidegger, S., & Ferguson, S. J. (2017). Determining 3D kinematics of the hip using video fluoroscopy : guidelines for balancing radiation dose and registration accuracy. Journal of Arthroplasty, 32(10), 3213–3218. https://doi.org/10.1016/j.arth.2017.05.036

Other publications

Sommer, C., Oezden, I., Lutters, G., Cornelius, A., & Scheidegger, S. (2015). Comparison of image quality and radiation exposure between dental volume tomography DVT and conventional CT by using a novel skull-DLP phantom. SSRMP Annual Scientific Meeting 2015 Fribourg, 21st and 22nd October 2015.

Oral conference contributions and abstracts

• Karimipourfard, M., Stocker, D., Sommer, C., Sina, S., & Scheidegger, S. (2025, December 18). Identifying robust radiomic features in CT imaging for predicting object contrast variation. 2025 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD). https://doi.org/10.1109/nss/mic/rtsd57106.2025.11286456
• Sommer, C., Özden, I., Weyland, M., Duran, C., Lutters, G., & Scheidegger, S. (2021, June 16). Using difference detail curves to assess image quality of low contrast abdominal CT scans. 3rd European Congress of Medical Physics (ECMP), Virtual, 16 June - 31 December 2021.
• Oezden, I., Sommer, C., Lutters, G., & Scheidegger, S. (2015). The use of dose length product DLP, signal-to-noise ratio SNR and difference detail curve DDC for protocol characterization and optimization. Annual Scientific Meeting 2015, Schweizerische Gesellschaft Für Strahlenbiologie Und Medizinische Physik (SSRMP), Fribourg, 21-22 October 2015.

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