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基于ICA系数稀疏表示的年龄自动估计

DOI: 10.11834/jig.20091029

Keywords: 年龄估计,WTA-ICA,稀疏表示,人脸图像

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Abstract:

基于人脸图像的人类生理年龄自动估计是人脸识别领域的一个重要研究方向。对此,使用一种基于WTA(winner-take-all)竞争规则的独立分量分析方法来实现年龄估计任务。首先对人脸图像进行归一化处理,利用PCA方法进行白化预处理以进一步降低训练集合的维数;然后,使用WTA-ICA稀疏表示实现人脸图像的特征提取。最后在FG-NETAgingdatabase人脸数据库的实验结果表明,该算法对基于人脸图像的年龄估计获得了较好的结果。

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