This programs is a sift algorithm sourcefile written by Visual Studio 2008. This is written by MFC. Simply, just compile and run to use.

基于图像内容的图像检索代码，图像特征为颜色和SIFT特征，返回与查询图像相似的检索结果，程序绝对能够运行。-Content-based image retrieval code image, the image is characterized by color and SIFT features, similar to the query image and return search results, the program is definitely able to run.

主要是用于提取彩色图像的sift特征。为Matlab和混合编程-The main feature is sift for extracting a color image.