Physics – Medical Physics
Scientific paper
Apr 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010apsp.conf...37d&link_type=abstract
ASTROPARTICLE, PARTICLE AND SPACE PHYSICS, DETECTORS AND MEDICAL PHYSICS APPLICATIONS. Proceedings of the 11th Conference. Held
Physics
Medical Physics
2
Medipix, Photon Counting, Response Spectra, Spectrum Reconstruction, Material Reconstruction, Phase Contrast
Scientific paper
The new generation of X-ray photon counting pixel detectors like the Medipix2 and the Medipix3 opens a new field of applications in medical X-ray imaging. These detectors work with one or more energy windows, which makes energy information available in addition to the intensity. A detailled understanding of the detector response of such detectors is important. Results will be presented for Si and CdTe as sensor material. With this knowledge two methods called spectrum reconstruction and material reconstruction can be applied to energy resolved images in absorption radiography and computed tomography. Another new application is the measurement of the phase information in computed tomography in addition to the absorption information. The potential of phase contrast imaging will be discussed.
Anton Gisela
Bartl P.
Durst Johannes
Guni E.
Haas W.
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