结合PCA的尺度不变特征变换(SIFT)算法，数据包传送源码程序，这个有中文注释，看得明白。- Combined with PCA scale invariant feature transform (SIFT) algorithm, Data packet transfer source program, The Chinese have a comment, understand it.

这个有中文注释，看得明白，结合PCA的尺度不变特征变换(SIFT)算法，已经调试成功.内含m文件，可直接运行。- The Chinese have a comment, understand it, Combined with PCA scale invariant feature transform (SIFT) algorithm, Has been successful debugging. M contains files can be directly run.