数字图像处理，SIFT特征点检测。用于图像匹配，目标识别-digital image processing, physiology feature point detection. For image matching, target identification

A fast matlab code for image feature matching

this the implementation of PCA written by vc. It is very useful in image matching. Wish help you.-this is the implementation of PCA written by vc. It is very useful in image matching. Wish help you.

在图像匹配中，有很多种算法。在这众多的算法中，SIFT 算法具有良好的尺度、光 照和空间旋转的不变性，所以被广泛的应用于图像匹配当中。本文对SIFT 算法的四个主要 步骤进行了简单的介绍，并将该算法应用到多色二值压缩的压缩算法当中，提高了压缩效率 并且缩小了压缩后的存储空间。-In image matching, there are many kinds of algorithms. In many algorithms, SIFT algorithm has good scale,