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COMPUTER TOMOGRAPHY WITH A DETECTOR FOLLOWING THE MOVEMENT OF A PIVOTABLE X-RAY SOURCE
COMPUTER TOMOGRAPHY WITH A DETECTOR FOLLOWING THE MOVEMENT OF A PIVOTABLE X-RAY SOURCE
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机译:跟随可移动X射线源移动的带有探测器的计算机断层扫描
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摘要
An imaging apparatus and related method comprising a source that projects a beam of radiation in a first trajectory; a detector located a distance from the source and positioned to receive the beam of radiation in the first trajectory; an imaging area between the source and the detector, the radiation beam from the source passing through a portion of the imaging area before it is received at the detector; a detector positioner that translates the detector to a second position in a first direction that is substantially normal to the first trajectory; and a beam positioner that alters the trajectory of the radiation beam to direct the beam onto the detector located at the second position. The radiation source can be an x-ray cone-beam source, and the detector can be a two-dimensional flat-panel detector array.
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