Java Media Frame 学习文件，很有学习价值，不容易找啊-Java Media Frame studying the documents, great learning value and is not easy to find ah

SIFT算法的主要实现，对一些不容易注意的点进行了学习和分析，有助有更好的了解SIFT-The main achievement of SIFT algorithm is not easy to pay attention to some points of the study and analysis will help a better understanding of SIFT