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基于侧面轮廓线和刚性区域的3维人脸识别

DOI: 10.11834/jig.20100213

Keywords: 3维人脸识别,侧面轮廓线匹配,迭代最近点,刚性区域

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Abstract:

针对3维人脸识别问题,提出一种由粗到细的两步识别方法。首先结合几何约束与曲率信息定位特征点,根据特征点确定人脸对称面,提取人脸侧面轮廓线。利用轮廓线匹配作为排除算法,在识别初期迅速排除库集中不相似人脸以提高识别效率,剩余库集人脸采用一种具有表情鲁棒性的、基于区域的匹配方法进行识别,该方法自动切割人脸中受表情影响较小的刚性区域,并采用改进的迭代最近点算法对刚性区域进行匹配,为达到更好的识别精度,将各刚性区域的匹配结果采用加法规则融合。在3D_RMA人脸数据库的实验结果表明,该方法具有较好的实时性和鲁棒性。

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