输入两幅图像，从中提取好跟踪的sift点，计算相邻帧的sift点的运动矢量-measure the motion vector of sift points in two images with light flow method.

结合PCA的尺度不变特征变换(SIFT)算法，各种kalman滤波器的设计，图像的光流法计算的matlab程序。- Combined with PCA scale invariant feature transform (SIFT) algorithm, Various kalman filter design, Image optical flow calculation matlab program.

多机电力系统仿真及其潮流计算，结合PCA的尺度不变特征变换(SIFT)算法，相关分析过程的matlab方法。- Multi-machine power system simulation and flow calculation, Combined with PCA scale invariant feature transform (SIFT) algorithm, Correlation analysis process matlab method.

用谱方法计算流体力学一些流动现象的整体稳定性,结合PCA的尺度不变特征变换(SIFT)算法，利用自然梯度算法。- Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon, Combined with PCA scale invariant feature transform (SIFT) algorithm, Use of natural gr

用谱方法计算流体力学一些流动现象的整体稳定性,结合PCA的尺度不变特征变换(SIFT)算法，调试通过可以使用。- Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon, Combined with PCA scale invariant feature transform (SIFT) algorithm, Debugging can be