Opencv的简要介绍，辅以简单的程序示例。OpenCV初学者很好的入门材料。-Opencv brief introduction, supplemented by examples of simple procedures. good introductory material for beginners.

BRIEF(Binary Robust Independent Elementary Features)特征检测，调试都可以使用。效果不错。-Binary Robust Independent Elementary Features (The BRIEF) feature detection, debugging can be used. Good results.