mit（csail）上的matlab程序，里面的c++程序需要mex编译，算法可参考下面这篇论文-SIFT flow: dense correspondence across difference scenes ECCV2008

sift flow, a new method for decribing the images, it could be applied for many applications

Allows to compare objects in images using dense sift

实现六自由度运动学逆解算法，图像的光流法计算的matlab程序,结合PCA的尺度不变特征变换(SIFT)算法。- Six degrees of freedom to achieve inverse kinematics algorithm, Image optical flow calculation matlab program, Combined with PCA scale invariant feature transform (SIFT) algorithm.