Title:
X-RAY CT DEVICE AND IMAGE RECONSTRUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2014/129428
Kind Code:
A1
Abstract:
To provide an X-ray CT device and an image reconstruction method which are capable of creating an image in which influence of movement of a site to be imaged is reduced, an image processing device (403) of an X-ray CT device (1) calculates a reconstruction data range which is the range of projection data used for reconstruction on the basis of a movement direction of a site to be imaged. An image is reconstructed using the projection data of the calculated reconstruction data range. The reconstruction data range is the projection data of the projection range of at least 180 degrees that includes a projection direction which substantially matches the movement direction of the site to be imaged. Since the image is reconstructed using the projection data of the range such that influence of the movement direction of the site to be imaged is minimal, an image with less motion artifacts can be obtained.
Inventors:
OKAMOTO SHUICHI (JP)
KOKUBUN HIROTO (JP)
TERAMOTO FUYUHIKO (JP)
KOKUBUN HIROTO (JP)
TERAMOTO FUYUHIKO (JP)
Application Number:
PCT/JP2014/053677
Publication Date:
August 28, 2014
Filing Date:
February 18, 2014
Export Citation:
Assignee:
HITACHI MEDICAL CORP (JP)
International Classes:
A61B6/03
Foreign References:
| JP2012019892A | 2012-02-02 | |||
| JP2011245281A | 2011-12-08 | |||
| JP2011050509A | 2011-03-17 | |||
| JP2011125700A | 2011-06-30 |
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