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)

Experience

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

Education and Continuing education

Education

Systems Engineering / Mechatronics
Zurich University of Applied Sciences
09 / 2011 - 07 / 2014

Projects

• PHARAO / Deputy project leader / Project ongoing
• Machine Protection and Autonomous Predictive Interlock System / Team member / Project ongoing
• OptiRad / Deputy project leader / Project completed
• Phantom- and Model-based Optimisation of Medical Imaging Modalities / Team member / Project completed

Publications

• Stocker, David; Sommer, Christian; Gueng, Sarah; Stäuble, Jason; Özden, Ismail; Griessinger, Jennifer; Weyland, Mathias S.; Lutters, Gerd; Scheidegger, Stephan,

  2024.

  Probabilistic U-Net model observer for the DDC method in CT scan protocol optimization.

  Physics in Medicine & Biology.

  69(11), pp. 115026.

  Available from: https://doi.org/10.1088/1361-6560/ad4302

• Sommer, Christian; Özden, Ismail; Weyland, Mathias S.; Duran, Carolina; Lutters, Gerd; Scheidegger, Stephan,

  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), pp. 209-217.

  Available from: https://doi.org/10.1016/j.zemedi.2022.01.001

• Pyka, Miriam; Eschle, Patrik; Sommer, Christian; Weyland, Mathias S.; Kubik, Rahel; Scheidegger, Stephan,

  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).

  Available from: https://doi.org/10.1186/s41747-018-0042-9

• D'Isidoro, Fabio; Eschle, Patrik; Zumbrunn, Thomas; Sommer, Christian; Scheidegger, Stephan; Ferguson, Stephen J.,

  2017.

  Determining 3D kinematics of the hip using video fluoroscopy : guidelines for balancing radiation dose and registration accuracy.

  Journal of Arthroplasty.

  32(10), pp. 3213-3218.

  Available from: https://doi.org/10.1016/j.arth.2017.05.036

• Sommer, Christian; Icken, Niels; Özden, Ismail; Lutters, Gerd; Scheidegger, Stephan,

  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), pp. 517-519.

  Available from: https://doi.org/10.1515/cdbme-2017-0109

• Sommer, Christian; Oezden, Ismail; Lutters, Gerd; Cornelius, Alexander; Scheidegger, Stephan,

  2015.

  Comparison of image quality and radiation exposure between dental volume tomography DVT and conventional CT by using a novel skull-DLP phantom [poster].

  In:

  SSRMP Annual Scientific Meeting 2015 Fribourg, 21st and 22nd October 2015.

  Annual Scientific Meeting 2015, Schweizerische Gesellschaft für Strahlenbiologie und Medizinische Physik (SSRMP), Fribourg, 21-22 October 2015.

  Fribourg:

  Swiss Society of Radiobiology and Medical Physics.

• Sommer, Christian; Özden, Ismail; Weyland, Mathias; Duran, Carolina; Lutters, Gerd; Scheidegger, Stephan,

  2021.

  Using difference detail curves to assess image quality of low contrast abdominal CT scans.

  In:

  3rd European Congress of Medical Physics (ECMP), virtual, 16 June - 31 December 2021.

• Oezden, Ismail; Sommer, Christian; Lutters, Gerd; Scheidegger, Stephan,

  2015.

  The use of dose length product DLP, signal-to-noise ratio SNR and difference detail curve DDC for protocol characterization and optimization.

  In:

  Annual Scientific Meeting 2015, Schweizerische Gesellschaft für Strahlenbiologie und Medizinische Physik (SSRMP), Fribourg, 21-22 October 2015.

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