Title:
X線CT装置
Document Type and Number:
Japanese Patent JP4540947
Kind Code:
B2
Abstract:
To provide an X-ray CT apparatus appropriately correcting a CT value of calcification while reducing an artifact in a restructured image.
After a calcium phantom is scanned by a calcium phantom scanning means shown in a step S2 before scanning a subject shown in a step S4, this X-ray CT apparatus starts to prepare a calcium component correction table, after scanning the subject in the step S4, calibrates the calcium by a calcium calibrating means in a step S6, and corrects the CT value of the internal calcium component using the calcium component correction table.
COPYRIGHT: (C)2005,JPO&NCIPI
Inventors:
Tetsuo Nakazawa
Hiroto Kokubun
Hiromitsu Hayashi
Hiroto Kokubun
Hiromitsu Hayashi
Application Number:
JP2003205641A
Publication Date:
September 08, 2010
Filing Date:
August 04, 2003
Export Citation:
Assignee:
Hitachi Medical Co., Ltd.
International Classes:
A61B6/03
Domestic Patent References:
| JP4144551A | ||||
| JP4015048A | ||||
| JP2001286464A | ||||
| JP2002186611A |
Attorney, Agent or Firm:
Yoshihiro Takasaki