0903 人工股関節自動手術計画におけるCT画像からの3次元骨形状再構成システム : 大腿骨領域抽出法の手術計画における評価(J07-1 バイオ・医療と設計(1),J07 バイオ・医療と設計)

概要

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We have been developed automated preoperative planning system for total hip arthroplasty. One problem in preprocessing of input data is to reconstruct segmented bone models, as most part of the process depend on manual operation and take amount of time. In this paper, we describe the evaluation semi-automated segmentation method of the femur from 3D CT images using multi-level statistical shape model in this system. We evaluated this method by measuring motion of hip joint and comparing manual segmentation. We applied this method to 5 cases, and confirmed max error is 3 degree. This result showed an effectiveness of propose method.
社団法人日本機械学会の論文
2007-09-07