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Determination of the position and orientation of artificial knee implants using markers embedded in a bone: preliminary in vitro experiments.

Abstract：

:This study describes the method of determination of the position and orientation of artificial knee implants using a single-plane radiograph. To simplify the 3D/2D matching problem, we proposed to use small markers embedded in a bone. From the image coordinates of markers, it is possible to estimate the position and orientation of implants if the relationship between the markers and the implant is known. The results of the in vitro experiment showed that rms errors in in-plane/out-of-plane translations and rotations were 0.2/2.3 mm and 0.2/0.2 degrees, respectively.

journal_name

Med Eng Phys

journal_title

Medical engineering & physics

authors

Imai S,Higashijima K,Ishida A,Fukuoka Y,Hoshino A,Minamitani H

doi

10.1016/s1350-4533(03)00037-7

subject

Has Abstract

pub_date

2003-06-01 00:00:00

pages

419-24

issue

5

eissn

1350-4533

issn

1873-4030

pii

S1350453303000377

journal_volume

25

pub_type

杂志文章

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