Tomographic image obtainment apparatus and method

Details Tomographic image obtainment apparatus and method Tomographic image obtainment apparatus and method

2007-10-26

2008-11-18

Thomas, Courtney (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Tomography

C378S037000

Reexamination Certificate

active

07453979

ABSTRACT:
When radiographic images are obtained by radiography using a tomographic image obtainment apparatus, the degree of overlap of anatomical structures of a subject is obtained. Further, a condition of exposure, such as angles θ of radiography, is changed based on the degree of overlap. The angles θ of radiography are angles at which a radiation irradiation unit performs radiography at a plurality of positions to obtain a plurality of radiographic images. The tomographic image obtainment apparatus produces a tomographic image by reconstructing the tomographic image from a plurality of radiographic images obtained by irradiating the subject with radiation from various directions.

REFERENCES:
patent: 6341156 (2002-01-01), Baetz et al.
patent: 2007/0086639 (2007-04-01), Sakaida
patent: 2005-149762 (2005-06-01), None

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