说明：  采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波，图像的自适应魏纳滤波，运用5种不同的梯度增强法进行图像锐化，图像的高通滤波和掩模处理，利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理，利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处理
(MATLAB using the function affected by noise interference filter2 images mean filter, adaptive image filtering Wehner, using five kinds of different gradient method to enhance image sharpening, image of the high-pass filtering and mask treatment, using巴特沃Sri Lanka (Butterworth) low pass filter on the subject of the image noise smoothing, using Butterworth (Butterworth) high-pass filter for sharpening images)