基于曲率信息的三维人脸面部特征提取

计算机工程与应用 ›› 2007, Vol. 43 ›› Issue (24): 239-241.

基于曲率信息的三维人脸面部特征提取

郭哲，张艳宁，林增刚

西北工业大学计算机学院，西安 710072

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-08-21 发布日期:2007-08-21
通讯作者: 郭哲

3D facial feature extraction based on curvature information

GUO Zhe，ZHANG Yan-ning，LIN Zeng-gang

School of Computer Science，Northwestern Polytechnical University，Xi’an 710072，China

Received:1900-01-01 Revised:1900-01-01 Online:2007-08-21 Published:2007-08-21
Contact: GUO Zhe

摘要/Abstract

摘要： 提出了一种基于曲率信息的三维人脸面部特征提取方法。首先根据几何约束和曲率信息得到由若干间断点描述的人脸五官区域轮廓线;其次采用边界连接及变形膨胀方法，得到完全闭合、但存在多余毛刺的区域边界;最后利用二维图像处理方法进行边界精确化处理，提取出比较精确的人脸面部特征区域。实验证明了所提方法对正面自然表情三维人脸模型的有效性。

关键词: 面部特征, 曲率信息, 边界连接, 变形膨胀

Abstract: A new method of 3D facial feature extraction based on curvature information is proposed in this paper.First，extracts facial feature contour lines which is composed with some discontinuous points based on curvature information and geometrical restriction.Second，obtains closed but including burrs contour lines by using contour lines connection and deformed dilation.At last，gets precise facial feature regions by using 2D image processing method.Experiments prove that the proposed method is effective to frontal and natural expression 3D modles.

Key words: facial feature, curvature information, contour connection, deformed dilation

郭哲，张艳宁，林增刚. 基于曲率信息的三维人脸面部特征提取[J]. 计算机工程与应用, 2007, 43(24): 239-241.

GUO Zhe，ZHANG Yan-ning，LIN Zeng-gang. 3D facial feature extraction based on curvature information [J]. Computer Engineering and Applications, 2007, 43(24): 239-241.