Title:
X線画像診断装置およびX線画像作成方法
Document Type and Number:
Japanese Patent JP4128349
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a landmark image enhancing blood vessels and wire guides. SOLUTION: A first X-ray picture Mask of a subject, a second X-ray picture Live 1 of the subject with a contrast medium injected in the blood vessels and a third X-ray picture Live 2 of the subject with a guide wire inserted in the blood vessels, are taken. The first X-ray picture and the second or third X-ray picture are subtracted to obtain a fourth picture. The first picture is filtered to obtain a fifth picture filter. The fifth picture and the second or third picture are subtracted to obtain a sixth picture. The sixth picture and the fourth picture are added to obtain a seventh picture (landmark picture). Thus, the landmark picture can be formed without extremely thinning information of the blood vessels and the guide wire contained in the original pictures.
More Like This:
Inventors:
Shimizu Yoshinori
Kunio Shiraishi
Kunio Shiraishi
Application Number:
JP2001338935A
Publication Date:
July 30, 2008
Filing Date:
November 05, 2001
Export Citation:
Assignee:
Toshiba Medical System Engineering Co., Ltd.
Toshiba Corporation
Toshiba Corporation
International Classes:
A61B6/00; A61B6/12; G06T3/00; H04N5/325
Domestic Patent References:
| JP11027581A | ||||
| JP2000116789A | ||||
| JP10229519A | ||||
| JP8196530A |
Attorney, Agent or Firm:
Hiroshi Horiguchi