System for generating spectral computed tomography projection data

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United States of America Patent

PATENT NO 9833202
SERIAL NO

15108401

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Abstract

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The invention relates to a system (31) for generating spectral computed tomography projection data. A spectral projection data generation device (6) comprising an energy-resolving detector generates spectral computed tomography projection databased on polychromatic radiation (4), which has been provided by a radiation device (2), after having traversed an examination zone (5), and a reference values generation device generates energy-dependent reference values based on radiation, which has not traversed the examination zone. A spectral parameter providing unit (12) provides a spectral parameter being indicative of a spectral property of the radiation device based on the energy-dependent reference values. In particular, spectral properties of the radiation device can be monitored over time, wherein this information can be used for, for instance, correcting the spectral computed tomography projection data, and/or, if undesired spectral properties of the radiation device are indicated, triggering a replacement of the radiation device.

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Patent Owner(s)

Patent OwnerAddress
KONINKLIJKE PHILIPS N VHOLLAND IAN DEHO FINN EINDHOVEN NORTH BRABANT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daerr, Heiner Hamburg, DE 35 139
Martens, Gerhard Henstedt-Ulzburg, DE 45 949
Ribbing, Carolina Aachen, DE 27 236
Roessl, Ewald Henstedt-Ulzburg, DE 92 826
Steadman, Booker Roger Aachen, DE 71 455
Vogtmeier, Gereon Aachen, DE 129 1148

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