480 results about "X ray computed" patented technology

The present invention relates to the field of x-ray imaging. More particularly, embodiments of the invention relate to methods, systems, and apparatus for imaging, which can be used in a wide range of applications, including medical imaging, security screening, and industrial non-destructive testing to name a few. Specifically provided as embodiments of the invention are systems for x-ray imaging comprising: a) a first collimator-and-detector assembly having a first operable configuration to provide at least one first dataset comprising primary x-ray signals as a majority component of its data capable of being presented as a first image of an object subjected to x-ray imaging; b) a second collimator-and-detector assembly having a second operable configuration or wherein the first collimator-and-detector assembly is adjustable to a second configuration to provide at least one second dataset comprising primary and dark-field x-ray signals as a majority component of its data capable of being presented as a second image of the object; and c) a computer operably coupled with the collimator-and-detector assemblies comprising a computer readable medium embedded with processing means for combining the first dataset and the second dataset to extract the dark-field x-ray signals and produce a target image having higher contrast quality than the images based on the first or second dataset alone. Such systems can be configured to comprise at least two collimator-and-detector assemblies or configurations differing with respect to collimator height, collimator aperture, imaging geometry, or distance between an object subjected to the imaging and the collimator-and-detector assembly.

An x-ray computed tomography system uses a broad area x-ray emitter and detector to allow both in plane and out of plane x-ray projections not restrained to spiral or helical scans.

An X-ray computed tomography apparatus according to this invention includes a gantry (1) which scans an imaging target region of a subject to be examined in accordance with scan conditions, a reconstruction unit (36) which reconstructs image data from projection data, a scan plan setting support system (40) which sets scan conditions, an image SD calculating unit (41) which calculates an image SD associated with an index of picture quality on the basis of the set scan conditions, a data storage device (35) which stores sample image data having a reference value of an image SD, a simulation image generating unit (42) which generates simulation image data corresponding to the calculated image SD from the sample image data on the basis of the calculated image SD and the reference value of the image SD, and a display (38) which displays the generated simulation image data.