The reconstruct of 3d head model was completed through displaying ct image, querying and changing database, and fitting ct slices.
通过CT影像显示、数据库查询修改、二维ct切片拟合完成参数化三维重建。
Methods To do quality control experiments to simulate the process of 3D-CRT by means of Topsland system, radiation treatment -planning system, laser light, bow form ruler, head model.
方法采用拓能系统的固定装置、计划系统、激光灯、弓形尺、头部模型（简称头模）模拟3DCRT的实施过程进行质量控制分组实验。
For example, if you have a 3d model of a hat, you might want to specify that it always stays five units above a 3d model of a certain person's head.
例如，如果您有一个帽子的3d模型，您或许希望他一直呆在某个人的头部的模型上方5个单位的位置。
G. Q. Zhao, L. Chen, G. C. Chen. 3D head tracking using SIFT-based registration and scale invariant view-based appearance model. Journal of Computational Information Systems, 2008.
赵刚强，陈岭， 陈根才。 基于配准和多层外观模型的三维头部姿态跟踪。 浙大学报（工学版）。
Traditional approaches use wire-frame model or surface model to build 3D head structure, and use physiological model or parametric model to make facial animation.
传统方法采用精细的网格模型或曲面模型建立人头三维结构，采用生理模型或参数模型进行人脸动画。
Traditional approaches use wire-frame model or surface model to build 3D head structure, and use physiological model or parametric model to make facial animation.
传统方法采用精细的网格模型或曲面模型建立人头三维结构，采用生理模型或参数模型进行人脸动画。
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