Module fft2d::slice [−][src]
Expand description
Fourier transform for 2D data such as images.
Functions
Compute the 2D Fourier transform of an image buffer.
Shift the 4 quadrants of a Fourier transform to have all the low frequencies at the center of the image.
Compute the inverse 2D Fourier transform to get back an image buffer.
Inverse operation of the quadrants shift performed by fftshift.