Cone beam CT instant scanning device and reconstruction method
A scanning device and cone beam technology, applied in the fields of biomedical imaging and non-destructive testing, can solve the problems of long scanning time, low time resolution, and complex scanning device structure.
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[0066] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0067] The working process of the cone beam CT instantaneous scanning device is as follows: figure 1 The shape of the cone-beam CT instantaneous scanning device is shown as a cube; the cone-beam CT instantaneous scanning device includes twelve X-ray sources based on carbon nanotubes, such as figure 2 The X-ray sources are respectively installed on the twelve sides of the cube, and multiple X-ray sources can be integrated X-ray focus, here is the simplest case as an example: each X-ray source has only one X-ray focus. All X-ray focal points are always aligned with the center O of the scanning device; the cone-beam CT instantaneous scanning device includes six high-speed flat-panel detectors, such as figure 2 pl1, pl2, pl3, pl4, pl5, pl6 respectively, six flat-panel detectors constitute the six surfaces of the cone-beam CT instantaneous s...
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