计算机科学 ›› 2014, Vol. 41 ›› Issue (12): 297-302.doi: 10.11896/j.issn.1002-137X.2014.12.064
邓健康,王灿田,刘青山
DENG Jian-kang,WANG Can-tian and LIU Qing-shan
摘要： 主要研究了移动智能手机上人脸关键点的快速定位问题。在活动形状模型的基础上,提出了一种基于层进模型的快速人脸配准方法:首先,在人脸检测的结果上,采用二值特征快速定位眼角、嘴角等关键点,并对其进行校验修正；然后,通过眼角和嘴角的关键点,并结合边缘约束,对眼睛、嘴巴和人脸外轮廓进行局部配准；最后,对整个人脸形状进行基于加权投影的形状配准。实验结果表明,提出的方法在8~10次迭代后即可收敛,在三星I9300智能手机上,每幅人脸图像的配准时间在40ms以下,满足实时性要求。
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