Title:
X-RAY COMPUTED TOMOGRAPHY DEVICE AND MEDICAL IMAGE PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/119628
Kind Code:
A1
Abstract:
An X-ray CT device according to an embodiment comprises: a material projection data generation unit (132) which generates first and second material projection data that correspond respectively to first and second materials on the basis of first and second projection data that correspond respectively to first and second X-rays; a reconstruction unit (134) which reconstructs first and second reconstruction images on the basis of the first and second material projection data; an energy determination unit (138) which determines the energy on the basis of an image noise level of a monochromatic X-ray image that is obtained by the first and second reconstruction images, first and second imaging conditions that relate to generation of first and second X-rays, and first and second attenuation coefficients that correspond respectively to the first and second materials; and an image generation unit (142) which generates the monochromatic X-ray image that corresponds to the determined energy on the basis of the first and second reconstruction images and the first and second attenuation coefficients that correspond to the determined energy.
Inventors:
TAKAMATSU YUKO (JP)
TAGUCHI HIROKI (JP)
TAGUCHI HIROKI (JP)
Application Number:
PCT/JP2014/052002
Publication Date:
August 07, 2014
Filing Date:
January 29, 2014
Export Citation:
Assignee:
TOSHIBA KK (JP)
TOSHIBA MEDICAL SYS CORP (JP)
TOSHIBA MEDICAL SYS CORP (JP)
International Classes:
A61B6/03
Foreign References:
| US20090052612A1 | 2009-02-26 | |||
| JP2012245235A | 2012-12-13 | |||
| JP2010284350A | 2010-12-24 |
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
Masatoshi Kurata (JP)
Masatoshi Kurata (JP)
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