基于稀疏表示的人脸表情识别算法研究
2016-07-09孔玮婷皋军丁泽超史恭波
孔玮婷 皋军 丁泽超 史恭波
摘要:针对基于局部纹理特征的人脸表情识别算法不能有效表达不同表情状态下人脸运动单元差异性的问题,提出一种改进的稀疏表示人脸表情识别算法,将人脸纹理特征与全局位置特征用稀疏表示模型相结合,得到人脸表情的稀疏系数矩阵,并作为支持向量机表情识别的输入。人脸表情库BU_3DFE实验结果表明,该算法提高了表情识别的准确率。
关键词:表情识别;稀疏表示;特征融合
DOIDOI:10.11907/rjdk.161671
中图分类号:TP312文献标识码:A文章编号:1672-7800(2016)006-0031-02
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