sh330

代码说明：

  结合PCA的尺度不变特征变换(SIFT)算法，代码里有很完整的注释和解释，保证准确无误，是学习通信的好帮手。( Combined with PCA scale invariant feature transform (SIFT) algorithm, Code, there are very complete notes and explanations Ensure accurate communication is learning a good helper.)