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Prof Kris Thielemans
Institute of Nuclear Medicine
UCL Hospital
Prof Kris Thielemans profile picture
  • Professor in Medical Imaging Physics
  • Department of Imaging
  • Div of Medicine
  • Faculty of Medical Sciences

After a postdoc in String Theory at Imperial College, I moved in 1997 to the Cyclotron Unit of the Medical Research Council (MRC) in Hammersmith London, then one of the world-leading centres in Positron Emission Tomography (PET).

In 2001, the MRC unit was privatised, becoming Hammersmith Imanet Ltd. This gave me the opportunity to work closely with General Electric from 2005. I was part of the team researching solutions for PET/CT, leading to contributions in current GE products for scatter correction, image reconstruction and motion correction.

In 2011 I moved back to academia, first at King's College London and now at UCL, where I lead the UCL medical physics group at the Institute of Nuclear Medicine. I concentrate on scientific computing and improved quantification in medical imaging.

Research Themes
Research Summary

I obtained my PhD in 1994 in Theoretical Physics in String Theory, focusing on non-linear algebras used in Conformal Field Theory. My Mathematica software package for algebraic calculation techniques is still used by several groups (~180 citations).

Since 1997 my research is related to medical imaging, and in particular nuclear medicine. Using statistical techniques, I investigate all aspects of the data processing in PET/CT, PET/MR and SPECT in order to improve image quality, covering scan modelling, motion detection and estimation and image reconstruction with neurological, cardiac and pulmonary applications.

I maintain the STIR open source project (Software for Tomographic Image Reconstruction), which is widely used in the PET and SPECT community. I am PI of the EPSRC Collaborative Computational Project for Synergistic Reconstruction for Biomedical Imaging.

Academic Background
2014   Professional Certification Institute of Education
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