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电子学报  2015 

一种同步人脸运动跟踪与表情识别算法

DOI: 10.3969/j.issn.0372-2112.2015.02.025, PP. 371-376

Keywords: 人脸运动跟踪,人脸表情识别,流形学习,粒子滤波

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Abstract:

针对单视频动态变化背景下的人脸表情识别问题,提出了一种同步人脸运动跟踪和表情识别算法,并在此基础上构建了一个实时系统.该系统达到了如下目标:首先在粒子滤波框架下结合在线外观模型和柱状几何模型进行人脸三维运动跟踪;接着基于生理知识来提取人脸表情的静态信息;然后基于流形学习来提取人脸表情的动态信息;最后在人脸运动跟踪过程中,结合人脸表情静态信息和动态信息来进行表情识别.实验结果表明,该系统在大姿态和丰富表情下具有较好的综合优势.

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