We propose an algorithm for facial expression recognition which can classify the given image into one of the seven basic facial expression categories (happiness, sadness, fear, surprise, anger, disgust and neutral). PCA is used for dimensionality red

SIFT算法的相关实现 自己用matlab写的sift特征点检测与匹配程序，运行能通过-SIFT algorithm related to realize their written with matlab sift feature point detection and matching program, run through