Tobias Knopp

Tobias Knopp received his Diplom degree in computer science in 2007 and his PhD in 2010, both from the University of Lübeck with highest distinction. For his PhD on the tomographic imaging method Magnetic Particle Imaging (MPI) he was awarded with the Klee award from the DGBMT (VDE) in 2011. From 2010 until 2011 he led the MAPIT project at the University of Lübeck and published the first scientific book on MPI. In 2011 he joined Bruker Biospin to work on the first commercially available MPI system. From 2012 until 2014 he worked at Thorlabs in the field of Optical Coherence Tomography (OCT) as a software developer. Since 2014, Tobias Knopp is a professor for Biomedical Imaging at the University Medical Center Hamburg-Eppendorf and the Hamburg University of Technology in Hamburg, Germany. Beside his work as a researcher in the field of tomographic imaging method Tobias Knopp is an open-source developer and part of the Julia community since 2012.

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Tomographic Image Reconstruction with Julia
Tobias Knopp

In this talk we show how Julia can be used to develop tomographic image reconstruction algorithms. These involve the solution of large scale ill-posed inverse problems where usually the imaging operator does not fit into the main memory and in-turn matrix-free methods need to be applied. The talk captures how Julia has been used to form a package ecosystem for two different tomographic imaging methods and outlines the advantageous compared to mature C/C++ libraries in the field.