关键词: 人脸识别 特征提取 独立成分分析 线性鉴别分析 零空间

Abstract: Feature extraction is one of the hot topics in the field of pattern recognition. Independent Component Analysis （ICA） and Linear Discriminant Analysis （LDA） are two effective methods of feature extraction. ICA can extract features from high order and LDA

Key words: Face recognition, Feature extraction, Independent component analysis, Linear discriminant analysis, Null space