The full -field scattering estimate for DAX imaging

An X-ray and imaging system technology, applied in the field of computer-readable media, can solve the problems of dark field image or phase contrast image destruction, and achieve the effect of preventing scattering artifacts and accurate scattering correction

Active Publication Date: 2022-08-09
KONINKLJIJKE PHILIPS NV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Darkfield imaging has been overused and sometimes darkfield or phase contrast images are corrupted by artifacts

Method used

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  • The full -field scattering estimate for DAX imaging
  • The full -field scattering estimate for DAX imaging

Examples

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Embodiment Construction

[0028] refer to figure 1 , shows a schematic block diagram of an image processing arrangement IA comprising a computerized image processing system IPS and an X-ray imaging device XI ("imager"). The X-ray imaging apparatus is configured for dark field X-ray ("DAX") imaging and / or phase contrast ("Φ") imaging. The imaging device XI includes an X-ray source XR and an X-radiation sensitive detector D. Imager XI may be configured for 2D radiographic imaging or 3D imaging such as a CT scanner.

[0029] The image processing system IPS may run as one or more software modules or routines on one or more data processing units PU (eg, one or more computers, servers, etc.). The IPS may be arranged externally and remotely from the Imager XI, or the IPS may be integrated into the Imager XI, eg into a workstation associated with the Imager XI or into an operator operator console. The image processing system IPS may be implemented in a distributed architecture to serve a group of imagers su...

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Abstract

An X-ray imaging system (XI) configured for phase contrast imaging and / or darkfield imaging. The system comprises: an X-ray source (XS) operable to emit X-radiation from a focal spot (SF) of the source (XS); and an X-ray sensitive detector (D) operable to : If there is an object to be imaged between the X-ray source and the detector (D), the X-radiation is detected after the interaction of the X-ray with the object. A control logic unit (CL) is operable to cause the X-ray imaging apparatus to operate in either of two modes, an object image acquisition mode and a scatterometry mode. The X-radiation that can be received at the detector when in the scatterometry mode comprises a higher proportion of scattered radiation than the X-radiation that can be received when the system is in the object image acquisition mode.

Description

technical field [0001] The present invention relates to an X-ray imaging system configured for phase contrast imaging and / or dark field imaging, a method of operating an X-ray imaging apparatus, a computer program element and a computer readable medium. Background technique [0002] Dark field ("DAX") imaging has been of interest, especially in the medical field. Darkfield imaging is a type of X-ray imaging. Contrast in darkfield imaging relates to the amount of small angle scattering experienced by X-radiation. [0003] The use of mice has been reported by A. Yaroshenko et al in "Pulmonary Emphysema Diagnosis with a PreclinicalSmall-Animal X-ray Dark-Field Scatter-Contrast Scanner" (Radiology, Vol. 269, No. 2, Nov 2013) experimental darkfield imaging. Phase contrast has also been found to add additional useful insights, especially when imaging soft tissue. [0004] Darkfield imaging has been overused and sometimes darkfield or phase contrast images are corrupted by arti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/00
CPCA61B6/4208A61B6/5258A61B6/54A61B6/483A61B6/5229A61B6/484A61B6/4417A61B6/4291G01N23/041A61B6/5282A61B6/4021G01N23/20083G01N2223/051G01N2223/063G01N2223/419A61B6/542
Inventor S·P·普雷弗尔哈尔T·克勒K·J·恩格尔
Owner KONINKLJIJKE PHILIPS NV
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