surf特征点以及描述子的提取和匹配，是图像处理中一项重要的作用-Surf feature point extraction and matching as well as descr iptors, in image processing is an important role

数字图像处理基本算法，包括几何变形，边缘提取，特征提取，影像融合等多种操作-Basic digital image processing algorithms, including geometric distortion, edge detection, feature extraction, image fusion and other operating