Chair for Computer Aided Medical Procedures & Augmented Reality
Lehrstuhl für Informatikanwendungen in der Medizin & Augmented Reality

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M. Wieczorek, J. Frikel, J. Vogel, F. Pfeiffer, L. Demaret, T. Lasser
Curvelet sparse regularization for differential phase-contrast X-ray imaging
Proceedings of Fully3D, Lake Tahoe, USA, June 2013. (bib)

Differential phase contrast imaging (DPCI) enables the visualization of soft tissue contrast using X-rays. In this work we introduce a reconstruction framework based on curvelet expansion and sparse regularization for DPCI. We will show that curvelets provide a suitable data representation for DPCI reconstruction that allows preservation of edges as well as an exact analytic representation of the system matrix. As a first evaluation, we show results using simulated phantom data.
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