| 基于轮廓线的三维人脸识别的改进算法 |
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| 引用本文： | 刘晓宁,董卫军,周明全,张翔.基于轮廓线的三维人脸识别的改进算法[J].计算机工程,2008,34(11):46-48. |
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| 作者姓名： | 刘晓宁 董卫军 周明全 张翔 |
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| 作者单位： | 1. 西北大学信息科学与技术学院,西安,710069
2. 西北大学信息科学与技术学院,西安,710069;北京师范大学信息科学与技术学院,北京,100875 |
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| 摘 要： | 对已有的基于轮廓线的人脸识别方法进行了改进，在人脸的任意位置利用PCA自动确定人脸纵方向，采用网格配准方法提取对称面和对称轮廓线。通过计算对称轮廓线上的曲率，提取其他3条横向轮廓线。对提取的4条轮廓线进行重采样和归一化，截取轮廓线的有价值部分作为ICP算法的输入，进行人脸识别。试验证明，该算法将人脸识别率从原来的86.5%提高到了94%，降低了误识率。
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| 关 键 词： | 三维人脸识别 轮廓线 ICP算法 |
| 文章编号： | 1000-3428(2008)11-0046-03 |
| 修稿时间： | 2007年8月29日 |
Improved Algorithm of 3D Face Recognition Based on Profile |
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| LIU Xiao-ning,DONG Wei-jun,ZHOU Ming-quan,ZHANG Xiang.Improved Algorithm of 3D Face Recognition Based on Profile[J].Computer Engineering,2008,34(11):46-48. |
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| Authors: | LIU Xiao-ning DONG Wei-jun ZHOU Ming-quan ZHANG Xiang |
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| Affiliation: | (1. School of Information Science and Technology, Northwest University, Xi’an 710069; 2. School of Information Science and Technology, Beijing Normal University, Beijing 100875) |
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| Abstract: | This paper improves a method of face recognition based on profile. The vertical direction of face is determined by the PCA at the random pose. Based on surface registration, the symmetrical surface and symmetrical profile are extracted. Curvatures on the symmetrical profile are calculated to extract the other three transverse profiles. Four profiles are sampled and standardized. Only the valuable parts are used as the input of ICP algorithm for face recognition. Experimental results show that the method performs well and provides higher recognition rate and lower false recognition rate. |
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| Keywords: | 3D face recognition profile ICP |
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