I am an applied mathematician and assistant professor for computational and mathematical methods for imaging at the University of Hamburg. Therefore, I am member of Center of Optimization and Approximation.
My actual research covers large-scale inverse problems in biological and medical applications such as for example fluorescence microscopy, photo acoustic tomography and magnetic particle imaging. More precisely, I am working on variational regularization methods, dynamic inverse problems, Bayesian inversion, and approximation error modelling.
I am currently looking for two PhD-students who would like to work on inverse problems related to medical imaging.
Our paper "Improved image reconstruction in magnetic particle imaging using structural a priori information" is accepted by IJMPI.
Our mini-symposium "Mathematical Imaging with Magnetic Nanoparticles" is accepted for the AIP 2017
Sparse Image Reconstruction for Photoacoustic Tomography Using Shearlets
Workshop "Wavelets and Applications"
22.5.2014, Université Libre de Bruxelles, Belgium
Invited by Christine de Mol
Magnetic Particle Imaging (MPI) is a novel imaging modality for biomedical diagnostics that determines the spatial distribution of magnetic nanoparticles by measuring the non-linear magnetization response of the particles to an applied magnetic field. The advantages of MPI are the high dynamic spatial and temporal resolution and that it does not employ any ionizing radiation.
Bimodal reconstructions for MRI-MPI, joint work with Christine Bathke, Tobias Kluth and Peter Maass
Joint reconstruction in multi-color MPI, joint work with Martin Storath, Martin Hofmann and Tobias Knopp
Approximation error modelling for model-based MPI, joint work with Aku Seppänen
Time based regularization for 4D MPI, joint work Andreas Hauptmann
Dr. Martin Storath
Image Analysis and Learning GroupProf. Tobias Knopp, Dr. Martin Hofmann
Universitätsklinikum Hamburg-Eppendorf
Institut für Biomedizinische Bildgebung
Technische Universität Hamburg
Dr. Wolfgang Erb
Institut für MathematikProf. Maass, Christine Bathke
Center for Industrial MathematicsAndreas Hauptmann
University of HelsinkiAku Seppänen
University of Eastern FinlandI will give the master course and the exercises on optimization in infinite dimensional spaces during summer semester 2017.
Exercises on inverse problems during winter semester 2016
together with Prof. Kunis (Summer semester 2014)
Inverse Problems occur in many applications in science, medicine and technology.
The course will cover the classical regularization theory for linear inverse problems .
Literature
Rieder,
Keine Probleme mit Inversen Problemen
Hanke, Engl, Neubauer,
Regularization of Inverse Problems
Louis,
Inverse und schlecht gestellte Probleme
2 tutorials during winter semester 2012
2 tutorials during summer semester 2012
Since 03 2017
09/2015 - 02 2017
Academy post-doctoral researcher in the Inverse Problems group at the Eastern University of Finland in Kuopio.
04/2013 - 08/2015
Post-doctoral researcher in the research group "Applied and Numerical Analysis" at the University Osnabrück working within the
01/2008 - 04/2013
Research assistant in the at the WG Industrial Mathematics at the Center for Industrial Mathematics at the University Bremen, working within the
2008 - 2012
Doctoral studies in the research group "Industrial mathematics" at the University Bremen
2012: Doctorate degree in mathematics, University Bremen
10/2001 - 08/2007
08/2007
Diploma studies in mathematics , University Rostock
Diploma degree in mathematics, University Rostock
10/2002 - 08/2007
10/2006 - 07/2006
08/2007
Diploma studies in physics, University Rostock
Master studies in physics, Erasmus exchange program, University Nantes
Master degree in physics, University Nantes (France)