二阶低通数字巴特沃斯滤波器设计（四路并行处理）-Second-order filter design (four parallel processing)

这是关于巴特沃斯（Butterworth）高通对图像进行锐化处理，二阶巴特沃斯(Butterworth)低通滤波器进行图像平滑的matlab gui-This is about Butterworth (Butterworth) high-pass image sharpening, second order Butterworth (Butterworth) low-pass filter for image smoothing matlab gui