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RankBoost with l1 regularization for Facial Expression Recognition and Intensity Estimation
Pages: 36-44
Year: Issue:  1
Journal: Journal of Yunan Normal University(Natural Sciences Edition)

Keyword:  pattern recognitionordinal regressionfacial expression;
Abstract: 鉴于之前的大多数工作仅仅局限于人脸的表情识别,在本文中,我们提出了一种基于排序模型的创新性人脸表情识别方法.与之前的方法不同的是,我们提出的方法不但能够做表情识别,而且能够估计表情的程度,而表情程度估计则对于理解人的情绪变化有很大的帮助.虽然精确标注表情的程度很困难,但是表情随时间变化的有序信息提供了相对的度量.基于这种观察,我们将表情程度估计问题转化为一个排序问题,并且用Rankboost建立排...
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