基于Gabor小波与LBP直方图序列的人脸年龄估计
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天津大学电子信息工程学院,天津

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天津市科技支撑计划资助项目(10ZCKFGX00700)


Age estimation of facial images based on Gabor and histogram sequence of LBP
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School of Electronic Information Engineering, Tianjin University,

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    摘要:

    提出了一种基于Gabor小波和局域二值模式(LBP)直方图序列的人脸年龄估计方法。首先对人脸图像提取多方向与多尺度的Gabor幅值域图谱(GMMs);然后采用基于局部特征的LBP算子对GMMs编码,并对之分块,由各子块的直方图序列来描述人脸;为进一步降低人脸特征维数,再对人脸直方图序列特征应用主成分分析(PCA);最后使用支持向量机回归(SVR)的LOPO策略对人脸年龄库进行训练和测试。实验结果表明,该方法可以较为快速有效地对人脸图像进行年龄估计。

    Abstract:

    A method for age estimation of facial images is proposed based on the combination of the Gabor wavelets and the histogram sequence of the local binary pattern (LBP). First, the facial images are filtered by the multi-orientation and multi-scale Gabor before Gabor magnitude maps (GMMs) are extracted. Second, the local neighbor pattern on GMMs is extracted by LBP based on local characteristics, which is divided into several sub-blocks from which calculate the histogram sequences. Third, to further reduce the dimension of facial features, PCA is applied to the histogram sequences. Finally, a leave-one-person-out (LOPO) test scheme of the support vector regression (SVR) is used to train and test the face age database. Experimental results show that the method can quickly and effectively estimate the age of human faces.

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黄 兵,郭继昌.基于Gabor小波与LBP直方图序列的人脸年龄估计[J].数据采集与处理,2012,27(3):

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  • 收稿日期:2011-04-06
  • 最后修改日期:2012-04-28
  • 录用日期:2011-09-19
  • 在线发布日期: 2012-06-29