freq_filt
freq_filt — fourier transforms and frequency-domin filters
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Stability Level
Stable, unless otherwise indicated
Synopsis
#include <vips/vips.h>
int im_fractsurf (IMAGE *out,
int size,
double frd);
int im_freqflt (IMAGE *in,
IMAGE *mask,
IMAGE *out);
int im_disp_ps (IMAGE *in,
IMAGE *out);
int im_rotquad (IMAGE *in,
IMAGE *out);
int im_fwfft (IMAGE *in,
IMAGE *out);
int im_invfft (IMAGE *in,
IMAGE *out);
int im_invfftr (IMAGE *in,
IMAGE *out);
int im_phasecor_fft (IMAGE *in1,
IMAGE *in2,
IMAGE *out);
Description
To and from Fourier space, filter in Fourier space, convert Fourier-space
images to a displayable form.
Details
im_fractsurf ()
int im_fractsurf (IMAGE *out,
int size,
double frd);
im_freqflt ()
int im_freqflt (IMAGE *in,
IMAGE *mask,
IMAGE *out);
im_disp_ps ()
int im_disp_ps (IMAGE *in,
IMAGE *out);
im_rotquad ()
int im_rotquad (IMAGE *in,
IMAGE *out);
im_fwfft ()
int im_fwfft (IMAGE *in,
IMAGE *out);
im_invfft ()
int im_invfft (IMAGE *in,
IMAGE *out);
im_invfftr ()
int im_invfftr (IMAGE *in,
IMAGE *out);
im_phasecor_fft ()
int im_phasecor_fft (IMAGE *in1,
IMAGE *in2,
IMAGE *out);