MFC Sift 提取特征点，匹配-MFC Sift feature point extraction, matching

利用sift算法，对运动图像进行运动轨迹的识别，先进行高速模糊，背景相减，在进行特征提取-Sift algorithm, the identification of trajectories of moving images, the first high-speed blur, background subtraction, during the feature extraction

这是一篇改进的快速sift特征匹配算法的文章，文章详细介绍了算法原理及应用，对图像图形处理专业人员的重要参考价值！-This is the article of an improved rapid sift feature matching algorithm, the article describes in detail the algorithm theory and application of important refere

newsift 基于opencv的sift算法实现，可以很好地学习sift的过程的-newsift opencv based sift algorithm, can be a good learning process for sift