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2010 International Conference on Cyberworlds
3D Automatic Feature Construction System for Lower Limb Alignment
Singapore, Singapore
October 20-October 22
ISBN: 978-0-7695-4215-7
Accurate measurement of lower limb alignment is vital for orthopedic surgery planning. Based on the 3D lower limb bone models reconstructed from CT images, a 3D feature construction system is developed to find the lower limb alignment. This paper presents new methods to automatically identify the anatomic axes, mechanical axes, joint center points, and reference planes of the lower extremities. As far as we know, there is no other system that can construct all these features automatically. With the above identified features, our system can calculate the related angles of the lower limb alignment accurately for orthopedic knee surgery planning. We applied our system on two groups of specimen (with 6 pairs of lower limbs), and the resulting related angles are identical to the actual angles of the lower limb alignment.
Index Terms:
lower limb alignment, automatic construction, 3D lower limb bones
Citation:
Qi Xing, Wenzhen Yang, Mark M. Theiss, Jihui Li, Qiang Peng, Jim X. Chen, "3D Automatic Feature Construction System for Lower Limb Alignment," cw, pp.375-382, 2010 International Conference on Cyberworlds, 2010
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