用OpenCV来编写，用摄像头获取图像，并用帧差法提取二值化图像，再用多边形逼近的方法来提取图像的轮廓-Using OpenCV to prepare, with the camera to obtain images, and the frame difference method used to extract two binary images, and then a polygonal approximation method to extract the contours of the

这是一种折线逼近算法，主要被用来拟合直线。-polygonal Approximation used to fit line segment

图像分割，签名及多边形估计。数字图像处理课程作业。-Image segmentation, signature and polygonal approximation. Class project.

使用多边形逼近画圆，面向学习计算机图形学的朋友-Use polygonal approximation Circle, learning-oriented computer graphics friends