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Drift template updating method and device of flat panel detector and storage medium

A flat panel detector and template update technology, applied in the field of X-ray imaging, can solve the problems of system resource occupation, increase power consumption, increase update cycle of drift template, etc., and achieve the effects of saving system resources, reducing update cycle, and reducing the number of

Pending Publication Date: 2021-04-02
SIEMENS SHANGHAI MEDICAL EQUIP LTD
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  • Claims
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Problems solved by technology

However, a large number of drifting templates increases the update cycle, resulting in a large occupation of system resources and a significant increase in power consumption

Method used

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  • Drift template updating method and device of flat panel detector and storage medium
  • Drift template updating method and device of flat panel detector and storage medium
  • Drift template updating method and device of flat panel detector and storage medium

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Embodiment Construction

[0072] In order to make the technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to illustrate the present invention, and are not intended to limit the protection scope of the present invention.

[0073] For the sake of brevity and intuition in description, the solution of the present invention is described below by describing several representative implementation manners. Numerous details in the embodiments are only used to help the understanding of the solutions of the present invention. But obviously, the technical solutions of the present invention may not be limited to these details when implemented. In order to avoid unnecessarily obscuring the solution of the present invention, some embodiments are not described in detail, but only a framework is ...

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Abstract

The embodiment of the invention discloses a drift template updating method and device of a flat panel detector and a storage medium. The method comprises the steps of when it is determined that a drift template is updated, setting the mode of the flat panel detector to be a perspective collection mode, and setting the frame rate of the flat panel detector to be the maximum frame rate; acquiring aplurality of dark field images acquired by the flat panel detector; determining a gray average graph of the plurality of dark field images, and determining the gray average graph as a unified drift template when the flat panel detector works in the perspective acquisition mode, the frame rate of the flat panel detector is the maximum frame rate and the frame rate of an X-ray generator is less thanor equal to the maximum frame rate; and updating the unified drift template to a drift template library. According to the embodiment of the invention, system resources for updating the drift templatecan be reduced.

Description

technical field [0001] The invention relates to the technical field of X-ray imaging, in particular to a method, device and storage medium for updating a drift template of a flat panel detector. Background technique [0002] X-rays are magnetic radiation with wavelengths between ultraviolet and gamma rays. X-rays are penetrating and have different penetrating abilities to substances of different densities. In medicine, X-rays are generally used to project human organs and bones to form medical images. The flat panel detector is a precision device that plays a decisive role in the quality of X-ray imaging. Familiarity with the performance indicators of the detector is helpful to improve the imaging quality and reduce the X-ray radiation dose. [0003] Flat panel detectors generally include amorphous selenium flat panel detectors and amorphous silicon flat panel detectors. During use, the flat panel detector will produce electronic reference drift phenomenon, which needs to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T7/00G01N23/04
CPCG01T7/005G01N23/04
Inventor 费孝爱
Owner SIEMENS SHANGHAI MEDICAL EQUIP LTD
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