facial expression classification

常见例句

Facial expression classification is a challenging issue in the field of multi-science.
人脸表情动画是计算机动画研究的一个重要分支，它有着十分广泛的应用前景。
According to characteristics of human facial expression, three-layer classification is proposed based on classification tree.
根据人脸表情特征基于分类树思想将表情进行三层分类。
The algorithms of facial expression recognition system mainly contain images' preprocessing algorithms, feature extraction algorithms and classification algorithms.
人脸表情识别系统中的算法主要有图像处理算法、特征提取算法和分类算法。