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Patent Searching and Data


Title:
X-RAY CT APPARATUS AND IMAGE PROCESSING APPARATUS
Document Type and Number:
Japanese Patent JP2006000669
Kind Code:
A
Abstract:

To provide an image processor which creates a three-dimensional display directly even when inclining a scanner body by a tilt angle θ and performing multiple scanning such as helical scanning or the like.

When the rotating shafts of an X-ray source 12 and an X-ray detector 14 lean to the direction that an object moves relatively, a coordinate conversion section 54-2 which achieves coordinate conversion to convert a rectangular coordinate system into a nonorthogonal coordinate system of each tomographic image of two or more sheets of an object obtained based on the detection of a transmission X-ray by the X-ray detector for a perpendicular projection path to a project plane as a viewpoint of a three-dimensional display image is formed. The nonorthogonal coordinate system of each tomographic image of two or more sheets obtained from the X-ray detector is considered as a rectangular coordinate system. A projection path converted by the coordinate conversion section is analyzed. A three-dimensional display image projected on the project plane is created.


Inventors:
SUZUKI TATSURO
Application Number:
JP2005234628A
Publication Date:
January 05, 2006
Filing Date:
August 12, 2005
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
A61B6/03
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto