Reports of the Technical Conference of the Institute of Image Electronics Engineers of Japan
Online ISSN : 2758-9218
Print ISSN : 0285-3957
Reports of the 257th Technical Conference of the Institute of Image Electronics Engineers of Japan
Session ID : 11-01-03
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Reports of the 257th Technical Conference of the Institute of Image Electronics Engineers of Japan
Evaluation and Extraction Methods of 3D Bone Axis on Inferior Limb
*Fumihito ITO
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Abstract

In this paper, we describe an automatic extraction method of the bone axes of femur and tibia using inferior limb image though it needs leg information on a left leg or a right leg beforehand. Moreover, our image processing method is applicable for virtual CR image generated by CT image. Since the method can be applied for both front and side virtual CR images from CT image, accurate 3D coordinates of 3D bone axis are calculated efficiently. The bone axis information is effective for labor saving measure for doctors, precise surgery planning, and useful for 2D and 3D implant template placements. Moreover, since 3D bone axis is precisely defined in 3D space, it is possible to place bone cutting planes on orthogonal line of bone axis, to decide rotation angles of implants, and to compare each loading axis and bone axis.

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© 2011 by The Institute of Image Electronics Engineers of Japan
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