高通滤波器，对图像进行高通滤波。采用opencv，包含二维理想高通滤波，2阶巴特沃思高通滤波，二维高斯高通滤波，增长率为2二维指数高通滤波-High-pass filters, high pass filter the image. Using opencv, including two-dimensional ideal high-pass filter, 2-order Butterworth high pass filter, two-dimensional Gaussian high p

频域低通滤波（理想低通滤波器、梯形低通滤波器、巴特沃斯低通滤波器、指数低通滤波器），频域高通滤波（理想高通滤波器、梯形高通滤波器、巴特沃斯高通滤波器、指数高通滤波器）-Frequency-domain low-pass filter (ideal low-pass filter, ladder low-pass filter, Butterworth low-pass filter, the index low-pass filter), frequency-domain high-pass f

低通滤波器，对图像滤波。采用opencv。其中包含二维高斯低通滤波器，衰减系数为2的二维指数低通滤波器，2阶巴特沃思低通滤波器，二维理想低通滤波器-Low-pass filter, the image filtering. Using opencv. Which contains two-dimensional Gaussian low-pass filter, the attenuation factor of 2 two-dimensional index of low-pass filte

opencv 写的频率域滤波包含高斯，理想，巴特沃斯低通滤波，-opencv write the frequency domain filtering includes Gaussian, ideal Butterworth low-pass filter,