三维人脸表情动态采集系统的设计

王涛; 孙长库; 杨国威

doi:10.3788/OPE.20111904.0900

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三维人脸表情动态采集系统的设计

信息科学 | 更新时间：2020-08-12

- 三维人脸表情动态采集系统的设计
- Design for three-dimensional facialexpression acquiring system
- 光学精密工程 2011年19卷第4期页码：900-907
- 作者机构：
  
  天津大学精密测试技术及仪器国家重点实验室,天津 300072
- 作者简介：
- 基金信息：
  
  新世纪优秀人才支持计划资助项目(No.NCET-06)()
- DOI：10.3788/OPE.20111904.0900
  中图分类号： TP391.4
- 收稿日期：2010-06-08，
  
  修回日期：2010-08-18，
  
  网络出版日期：2011-04-26，
  
  纸质出版日期：2011-04-26
- 稿件说明：
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王涛, 孙长库, 杨国威. 三维人脸表情动态采集系统的设计[J]. 光学精密工程, 2011,19(4): 900-907

WANG Tao, SUN Chang-ku, YANG Guo-wei. Design for three-dimensional facialexpression acquiring system[J]. Editorial Office of Optics and Precision Engineering, 2011,19(4): 900-907
王涛, 孙长库, 杨国威. 三维人脸表情动态采集系统的设计[J]. 光学精密工程, 2011,19(4): 900-907 DOI： 10.3788/OPE.20111904.0900.

WANG Tao, SUN Chang-ku, YANG Guo-wei. Design for three-dimensional facialexpression acquiring system[J]. Editorial Office of Optics and Precision Engineering, 2011,19(4): 900-907 DOI： 10.3788/OPE.20111904.0900.

摘要

针对3D动画设计对人脸表情动态变化的三维数据信息的需求

设计了人脸表情动态采集系统。首先

采用标记光栅和空间映射法构建了人脸测量模型;设计了标记光栅图

并给出了利用相位图获取特征矩形的方法。然后

通过光栅上的特征矩形位置信息将测量得到的相对相位转化为绝对相位

再利用空间映射法获取三维坐标点信息。最后

进行了精度验证和人脸测量实验。测量了一个(2200.01) mm标准半球的直径

平均值为219.95 mm

5次直径拟合的均方差为0.48 mm;5次测量中

三维数据点同标准球面距离的均方差为0.28~0.46 mm。对一名实验人员面部表情进行了测量实验

仅用一幅带有特征矩形的变形光栅图即完成了对人脸表情的三维数据动态采集

所获得的三维造型真实

数据信息丰富

获取速度快。

Abstract

With the need of 3D animation design for the 3D facial expression data dynamically

a 3D facial experession acquiring system was designed.Firstly

a new model was constructed by using a feature grating pattern and a space mapping method. Then

a feature grating pattern was designed

and the extraction method of a feature rectangle was provided.Furthermore

the relative phase was translated into an absolute phase by using the information of feature rectangle

and the three-dimensional world coordinate information was obtained by the space mapping method. Finally

the tests on accuracy verification and facial measurement were performed.A standard hemispheroid with (2200.01) mm in diameter was measured five times

and the results show that the average of the fitting diameter is 219.95 mm

mean square error is 0.48 mm

and the mean square error of the distance between 3D points and spherical surface arrange is 0.28-0.46 mm. Moreover

the face with different expressions of a student was measured by the system

and the results indicate that the 3D data can be acquired by the system with only one fringe pattern and a vivid profile of the face is shown.

关键词

Keywords

references

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