代码包括利用巴特沃斯（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等-Code including the use of Butterworth (Butterworth) low pass filter for noise by smoothing the images deal with the use of Butterworth (Butterworth) high-pass filter for sharpening images, such as treatment