The novelty of this method comes from ( 1) the derivation of an augmented Gabor feature vector, ( 2) Dimensionality is further reduced using the EFM by considering both data compression and recognition performance. 该方法的新颖之处在于:(1)引入了Gabor小波,得到的增广特征向量更好地反映了图像的特征;(2)应用EFM在对维数进行降低的同时进行分类特征提取。