人脸问题主要包括：人脸检测、人脸跟踪、人脸识别，以及其衍生出来的姿态和表情分析四个应用领域。
Human face problems consist of four parts: human face detection, human face tracking, human face recognition and the derived analysis of pose and expression.
人脸问题主要包括：人脸检测、人脸跟踪、人脸识别，以及其衍生出来的姿态和表情分析四个应用领域。
Human face problems consist of four parts: human face detection, human face tracking, identification of human face and the interrelated pose and expression.
提出了人脸表情自动识别系统评价指标，包括技术的实用性、成果的可比性、系统的专用性和实时性。
Indexes, such as applicability, comparability and appropriative and real time performances, are proposed for evaluating automatic recognition systems of facial expressions.
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