Title:
骨計測方法
Document Type and Number:
Japanese Patent JP4495891
Kind Code:
B2
Abstract:
This invention relates to a bone measurement method for measuring a bone shape, structure and architecture on the basis of the tomographic images of a test bone or joint, in more detail, to a bone measurement method characterized by having a template image extraction step for obtaining a wholly continued template image of a bone inner portion surrounded by a cortical bone from the binary image of a test bone cross section, and separating a cortical bone and a cancellous bone by the product of said template image and said binary image, as a bone measurement method which enables the automatic, high-speed and repeatable separation of a cortical bone and a cancellous bone on the basis of the binary image of a test bone or joint cross section and by which a separated three-dimensional image of the cortical bone portion and the cancellous bone portion is obtained as the bases for a non-invasive analyses of three-dimensional bone structure, bone strength, and the like.
Inventors:
Yoshiaki Higashi
Yoshifumi Harada
Norihiro Yamada
Tsutomu Maeda
Tomohiro Ota
Yoshifumi Harada
Norihiro Yamada
Tsutomu Maeda
Tomohiro Ota
Application Number:
JP2001501107A
Publication Date:
July 07, 2010
Filing Date:
June 02, 2000
Export Citation:
Assignee:
Teijin Limited
Infocom Co., Ltd.
Infocom Co., Ltd.
International Classes:
A61B6/03; A61B6/00
Domestic Patent References:
| JPH09294740A | 1997-11-18 | |||
| JPH119590A | 1999-01-19 | |||
| JPH09327455A | 1997-12-22 | |||
| JPH1031753A | 1998-02-03 | |||
| JPH1031754A | 1998-02-03 | |||
| JPH07284501A | 1995-10-31 | |||
| JPH0773291A | 1995-03-17 | |||
| JPH09266905A | 1997-10-14 | |||
| JPH09262232A | 1997-10-07 |
Attorney, Agent or Firm:
Hideko Mihara