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Autor:
Snoeren, R.M., Steinhauser, H., Alving, L., Stouten, H., With, de, P.H.N., Ehsan Samei, Jiang Hsieh
Publikováno v:
Medical Imaging 2009 : Physics of Medical Imaging, Lake Buena Vista, Florida, 9 February 2009
We study flat detectors for X-ray imaging performance degradation. In cone beam C-arm-CT, memory effects have a detrimental effect on image quality. Depending on the magnitude and history of irradiance differences, detector sensitivity variations may