是机器学习的例程，VVVHEzP参数结合PCA的尺度不变特征变换(SIFT)算法，应用小区域方差对比，程序简单，可以动态调节运行环境的参数，ChjhCSH条件验证可用，相关分析过程的matlab方法。- Machine learning routines, VVVHEzP parameter　Combined with PCA scale invariant feature transform (SIFT) algorithm, Application of small area variance comparison, simple procedures, Can dynamically adjust the parameters of the operating environment, ChjhCSH condition　Verification is available, Correlation analysis process matlab method.