| 摘要 |
An X-ray CT scanner includes a projection-data acquisition unit for acquiring projection data for the three-dimensional region of a subject, an input unit for setting a section in a desired direction in the three-dimensional region in accordance with the instruction of an operator, a reconstruction-region calculation circuit for specifying a plurality of reconstruction portions intersecting the set section, a reconstruction arithmetic circuit for reconstructing a plurality of partial images for the specified reconstruction portions on the basis of the projection data, and an image-data processing circuit for generating an image for the set section on the basis of the plurality of reconstructed partial images.
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