X-ray diagnostics device and method for controlling an X-ray diagnostics device
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Abstract
The invention relates to an x-ray diagnostics device having an x-ray tube for generating x-rays operated by a high voltage generator, having an x-ray detector for converting incident x-rays into electrical signals, having an image processing system and a control device for the duration of the x-ray pulse, in which parameters of the x-ray diagnostics device can be adjusted, with a computing unit being assigned to the control device, said computing unit determining the spatial frequency-dependent signal-to-noise ratio on the basis of the parameters and calculating therefrom the duration of the x-ray pulse and/or the remaining parameters required for a recording. The invention further relates to a method of this type for controlling the x-ray diagnostics device, in which the duration of the x-ray pulse is controlled such that the recognizability of relevant, moved objects is maximal.
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Citations
30 Claims
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1-15. -15. (canceled)
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16. An X-ray diagnostics device, comprising:
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an X-ray tube for generating X-rays;
a high voltage generator for operating the X-ray tube;
an X-ray detector for converting X-rays received by the detector into electrical signals;
an image processing system;
a control device for adjusting a duration of X-ray pulses, the control device configured to adjust a plurality of operating parameters related to operating the X-ray diagnostics de-vice; and
a computing unit assigned to the control device, the computing unit configured to determine a spatial frequency-dependent signal-to-noise ratio based on the operating parameters, wherein an element chosen from the group consisting of the duration of the X-ray pulses and further imaging parameters necessary for recording an X-ray is calculated from the determined spatial frequency-dependent signal-to-noise ratio. - View Dependent Claims (17, 18, 19, 20, 21)
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22. A method for controlling an X-ray diagnostics device having:
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an X-ray tube for generating X-rays and operated by a high voltage generator;
an X-ray detector for converting X-rays received by the detector into electrical signals;
an image processing system; and
a control device for controlling a duration of an X-ray pulse, the method comprising;
providing a moving examination object; and
adjusting the duration of the X-ray pulse such that an X-ray image quality related to an X-ray image recorded from the moving object is maximized. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30)
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Specification