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基于立体视觉的人脸三维空间位置定位方法 被引量:1

Stereo vision based method for face location in 3D space
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摘要 针对基于姿势的自然人机交互接口设计中头部定位问题,提出了一种快速的人脸三维空间位置定位算法。首先采用级联肤色分类器与类Haar特征分类器的人脸检测器对左右路输入的图像进行快速的人脸区域定位;然后利用仿射模型匹配局部收敛性好、速度快的特点实现了左右路图像的人脸区域对齐;最后通过立体视觉原理恢复人脸的三维空间坐标。实验结果证明,提出的人脸三维空间位置定位方法速度快、定位精度较高。 Face location in 3D space is a basic issue for gesture based human-computer interaction.This paper proposed a stereo vision based method.Firstly,adopted cascade based multi-feature fusion face detector to detect faces in two video streams separately.Secondly,used affine model based matching algorithm to align the detected faces.Finally,based on the intrinsic parameters and extrinsic parameters of the cameras,obtained the 3D position of the face through stereo vision.Experi-mental results show that the proposed method can achieve high precision with fast speed for the task of face location in 3D space.
出处 《计算机应用研究》 CSCD 北大核心 2010年第7期2766-2769,共4页 Application Research of Computers
基金 国家"863"计划资助项目(2009AA01Z324 2009AA012105 2007AA01Z159) 中国博士后科学基金资助项目(20090450233)
关键词 立体视觉 级联结构 人机交互 stereo vision cascade structure human-computer interaction
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