说明：  该压缩包中的程序实现对图像的平滑和锐化，其中采用多种方法实现平滑（包括均值滤波，中值滤波，顺序统计滤波）和锐化（包括采用Sobel算子和高通滤波）。
(Program realization of the right image sharpening and smoothing. using a variety of methods in which to achieve smooth (including mean filtering, median filtering, Order Statistics filtering) and Sharpening (including Sobel operator and high-pass filter).)