基于opencv开源图像库作的一个背景检测的程序，要在图像处理软件中使用的加，对算法作了改进-opencv revenue based on the images for the detection of a background procedure, in the image processing software used in Canada, the algorithm has been improved

利用opencv 对图像主轴的提取，利用最小二乘拟合算法。-opencv to make the picture

利用opencv实现的图片缩放，包含了5种常用算法效果的对比。(Opencv realize the use of image scaling, including 5 commonly used algorithm, the effect of contrast.)

基于opencv开源图像库作的一个轮廓识别的程序,对算法作了改进(Based on opencv open-source image library as a contour recognition procedure, the algorithm is improved)