Christer Ullberg
Chief Technology Officer at Direct Conversion
SPIE Involvement:
Author
Area of Expertise:
X-ray , Electronics , Photon counting , ASIC
Websites:
Profile Summary

CTO at XCounter, developing state of the art photon counting digital X-ray detectors.
Board member at Oy AJAT Ltd. Development and manufacturing of CdTe sensors and dental systems.
Publications (10)

Proceedings Article | 9 March 2018
Proc. SPIE. 10573, Medical Imaging 2018: Physics of Medical Imaging
KEYWORDS: Photon counting, Polymethylmethacrylate, X-ray computed tomography, Cadmium, Sensors, X-rays, Aluminum, X-ray imaging, Dual energy imaging

SPIE Journal Paper | 3 October 2014
JMI Vol. 1 Issue 03
KEYWORDS: X-ray computed tomography, Image restoration, Reconstruction algorithms, Algorithm development, CT reconstruction, Data modeling, Image filtering, Optimization (mathematics), Medical imaging, X-rays

Proceedings Article | 6 March 2013
Proc. SPIE. 8668, Medical Imaging 2013: Physics of Medical Imaging
KEYWORDS: Photon counting, Polymethylmethacrylate, Sensors, X-rays, Image resolution, Monte Carlo methods, Aluminum, Modulation transfer functions, X-ray imaging, Dual energy imaging

Proceedings Article | 19 March 2010
Proc. SPIE. 7622, Medical Imaging 2010: Physics of Medical Imaging
KEYWORDS: Breast, Tissues, Skin, X-rays, Iodine, X-ray imaging, Rapid manufacturing, Prototyping, 3D image processing, Digital breast tomosynthesis

Proceedings Article | 16 March 2007
Proc. SPIE. 6510, Medical Imaging 2007: Physics of Medical Imaging
KEYWORDS: Signal to noise ratio, Breast, Magnesium, Tissues, Sensors, Copper, Tomography, Iodine, Image filtering, Tin

Showing 5 of 10 publications
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