改写过的一个简单的daisy特征提取程序，依赖opencv2.3库，可以提取daisy特征向量，并通过特征匹配求得两幅图像的视差图-Rewritten a simple daisy feature extraction program, dependent opencv2.3 library, can be extracted daisy feature vectors, and by the feature match the disparity map of the image of the