基于多特征描述和DPF区域匹配的图像检索

dpf一种基础算法，差分算法，最基本，简单易懂，很实用，对于初学者有启发作用-A DPF based algorithm, difference algorithm, the most basic, simple and easy to understand, very useful, for beginners instructive role

该源码为hsv图像的检索，有较好的图像检索结果-The source code for hsv image retri , a better image search results