实现了图象预览,图形灰度变换,图形的平滑,锐化,图象的中值滤波,拉伸等图象等处理,非常适合学习和借鉴,是图象处理的基础程序,适合模式识别,物体检测等预处理.-Realized the image preview, graphical grayscale transformation, graphics smooth, sharpen, median filter images, such as stretching, image processing, very suitable for stu