Image analysis – Applications – Biomedical applications
Reexamination Certificate
2005-01-04
2005-01-04
Johnson, Timothy M. (Department: 2625)
Image analysis
Applications
Biomedical applications
C382S237000, C382S298000, C382S154000, C382S173000, C382S130000, C382S199000, C382S286000, C600S407000, C128S922000
Reexamination Certificate
active
06839457
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.
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Azuma Yoshiaki
Harada Yoshifumi
Maeda Tsutomu
Ohta Tomohiro
Yamada Norihiro
Choobin Barry
Johnson Timothy M.
Rader & Fishman & Grauer, PLLC
Teijin Limited
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