vil_fft.h File Reference

Functions to apply the FFT to an image. More...

#include <complex>
#include <vil/vil_image_view.h>

Go to the source code of this file.

Functions
template<class T >
void	vil_fft_2d_fwd (vil_image_view< std::complex< T > > &img)
	Perform in place forward FFT. More...
template<class T >
void	vil_fft_2d_bwd (vil_image_view< std::complex< T > > &img)
	Perform in place backward FFT. More...

Detailed Description

Functions to apply the FFT to an image.

Author

Fred Wheeler

Definition in file vil_fft.h.

Function Documentation

vil_fft_2d_bwd()

template<class T >

void vil_fft_2d_bwd

(

vil_image_view< std::complex< T > > &

img

)

Perform in place backward FFT.

Unlike vnl_fft_2d, scaling is done properly, so using vil_fft_2d_fwd(), then vil_fft_2d_bwd() gets back the original image.

Definition at line 79 of file vil_fft.hxx.

vil_fft_2d_fwd()

template<class T >

void vil_fft_2d_fwd

(

vil_image_view< std::complex< T > > &

img

)

Perform in place forward FFT.

Definition at line 63 of file vil_fft.hxx.