这是SIFT和SURF算法的基本介绍的文档，初学者可以快速入门，对匹配算法快速掌握。-SIFT and SURF algorithms which is a basic introduction to the document, beginners can get started quickly, right matching algorithm to grasp.

Sift算法详细；Surf算法学习整理；surf英文原版-Surf algorithm learning finishing (first introduced the SURF algorithm will be related to the SIFT of the relevant concepts, to explain in detail the realization of the SURF algorithm)