| 摘要 |
The present invention is to easily associate X-ray projection data and scanning table z-direction coordinate information with each other. Using set parameters of the operations of a scanning gantry and a scanning table, the association of the X-ray projection data and scanning table z-direction coordinate information with each other is executed. Thereafter, image reconstruction is carried out based on the X-ray projection data to obtain a tomographic image. The operation set parameters are stored as part of the X-ray projection data. Alternatively, they are collectively stored even in the case of files separate from the X-ray projection data.
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