短語詞組短語facial expression feature 面部表情特征facial personality feature 人臉個性特征facial contour feature 人臉輪廓特征Facial contour feature extraction 人臉輪廓特征提取facial geometric feature 面部幾何特征Facial Feature Extraction 人臉特征提取Facial Feature Points Location 特征點定位human facial feature extraction 表情特征提取 返回 facial feature