opencv orb特征提取应用实例，程序可编译运行，前提是需要安装opencv-application of orb implment by opencv

SIFT发明人LOWE的SIFT特征提取程序代码及执行文件，用于图像特征点识别和图像拼接等。-LOWE inventor SIFT SIFT feature extraction program code and executable file for image feature point recognition and image stitching.

能够对图像的常用五个特征进行提取，程序直接能用，非常适合初学者！-Five commonly used features of the image can be extracted, the program can be used directly, very suitable for beginners!