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CLC number: TP319

On-line Access: 2010-07-06

Received: 2009-06-12

Revision Accepted: 2009-10-26

Crosschecked: 2010-05-19

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Journal of Zhejiang University SCIENCE C 2010 Vol.11 No.7 P.504-513

10.1631/jzus.C0910349


Cranio-maxillofacial surgery simulation based on pre-specified target face configurations


Author(s):  Sheng-zheng Wang, Jie Yang, James C. Gee

Affiliation(s):  Institute of Image Processing & Pattern Recognition, Shanghai Jiao Tong University, Shanghai 200240, China, Merchant Marine College, Shanghai Maritime University, Shanghai 200235, China, Department of Radiology, University of Pennsylvania, Philadelphia 19104, PA, USA

Corresponding email(s):   szwang.smu@gmail.com

Key Words:  Surgical planning, Biomechanical modeling, Soft tissue deformation, Plastic surgery


Sheng-zheng Wang, Jie Yang, James C. Gee. Cranio-maxillofacial surgery simulation based on pre-specified target face configurations[J]. Journal of Zhejiang University Science C, 2010, 11(7): 504-513.

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author="Sheng-zheng Wang, Jie Yang, James C. Gee",
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%T Cranio-maxillofacial surgery simulation based on pre-specified target face configurations
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%A Jie Yang
%A James C. Gee
%J Journal of Zhejiang University SCIENCE C
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%P 504-513
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.C0910349

TY - JOUR
T1 - Cranio-maxillofacial surgery simulation based on pre-specified target face configurations
A1 - Sheng-zheng Wang
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A1 - James C. Gee
J0 - Journal of Zhejiang University Science C
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SP - 504
EP - 513
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Y1 - 2010
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.C0910349


Abstract: 
This paper presents a novel method for assisting surgeons in automatically computing an optimal surgical plan by directly specifying the desired correction to a facial outline. First, the desired facial appearance is designed using a 3D sculpturing tool, while the cut regions of the skull are defined based on facial anatomy. Then, the deformation of the face meshes is performed using an improved biomechanical model in which virtual external forces are driven by the displacements corresponding to the differences of node coordinates between the original and specified face meshes, and free nodes and fixed nodes are defined in terms of the contact surfaces between the soft tissues and the bones within the cut regions. Finally, the shape of the contact surfaces is updated following the deformation of the soft tissues. After registering the deformable contact surfaces and the cut surfaces, the final positions of the cut bones are estimated. Evaluation of preliminary experimental results quantitatively shows the effectiveness of the proposed approach.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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