雷娜

个人信息Personal Information

教授

博士生导师

硕士生导师

主要任职:软件学院(大连理工大学-立命馆大学国际信息与软件学院)党委书记

性别:女

毕业院校:吉林大学

学位:博士

所在单位:软件学院、国际信息与软件学院

学科:软件工程. 计算数学. 计算机应用技术

办公地点:大连理工大学开发区校区信息楼309室

联系方式:nalei@dlut.edu.cn

电子邮箱:nalei@dlut.edu.cn

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Automatic and Robust Skull Registration Based on Discrete Uniformization

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论文类型:会议论文

发表时间:2019-01-01

收录刊物:CPCI-S

页面范围:431-440

摘要:Skull registration plays a fundamental role in forensic science and is crucial for craniofacial reconstruction. The complicated topology, lack of anatomical features, and low quality reconstructed mesh make skull registration challenging. In this work, we propose an automatic skull registration method based on the discrete uniformization theory, which can handle complicated topologies and is robust to low quality meshes. We apply dynamic Yamabe flow to realize discrete uniformization, which modifies the mesh combinatorial structure during the flow and conformally maps the multiply connected skull surface onto a planar disk with circular holes. The 3D surfaces can be registered by matching their planar images using harmonic maps. This method is rigorous with theoretic guarantee, automatic without user intervention, and robust to low mesh quality. Our experimental results demonstrate the efficiency and efficacy of the method.