在MFC环境下用openCV实现sobel算子和霍夫变换检测直线和圆-In the MFC environment with openCV achieve sobel operator and the Hough transform detection of lines and circles

利用opencv进行图像特征抽取，包括使用高斯滤波和sobel算子进行边缘提取，使用harris算法进行角点检测，使用hough变换找出图像中最长直线，使用Ranec算法找出图像中直线，Gabor滤波-Using opencv image feature extraction, including the use of Gaussian filtering and Sobel operator edge extraction, Harris algorithm corner detection,