利用MATLAB实现的提取卫星图像的纹理特征，包括直线曲线等，效果是可以有三种提取处理方式-The satellite image texture feature extraction using MATLAB to achieve, including linear curve, the effect is can have three kinds of extraction process

用于图像识别和特征提取时的主成分分析程序,采用Matlab编写,-When used in image recognition and feature extraction of principal component analysis procedure, using Matlab,