FourierEngine.C File Reference

#include "Image/FourierEngine.H"
#include "rutz/trace.h"

Include dependency graph for FourierEngine.C:

Go to the source code of this file.

Functions
template<class T >
Image< T >	magnitude (const Image< std::complex< T > > &img)
	Complex magnitude.
template<class T >
Image< T >	logmagnitude (const Image< std::complex< T > > &img)
	Logarithm of complex magnitude.
template<class T >
Image< T >	phase (const Image< std::complex< T > > &img)
	Compute the complex phase of the fourier result.
template<class T >
Image< T >	cartesian (const Image< T > &in, const Dims &dims)
	Morph a fourier result image from polar to cartesian coordinates.
template Image< float >	magnitude (const Image< std::complex< float > > &)
template Image< float >	logmagnitude (const Image< std::complex< float > > &)
template Image< float >	phase (const Image< std::complex< float > > &)
template Image< float >	cartesian (const Image< float > &, const Dims &)
template Image< double >	magnitude (const Image< std::complex< double > > &)
template Image< double >	logmagnitude (const Image< std::complex< double > > &)
template Image< double >	phase (const Image< std::complex< double > > &)
template Image< double >	cartesian (const Image< double > &, const Dims &)

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Detailed Description

Thin wrapper around the fftw3 library

Definition in file FourierEngine.C.

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Function Documentation

template<class T >

Image<T> cartesian	(	const Image< T > &	in,
		const Dims &	dims
	)			[inline]

Morph a fourier result image from polar to cartesian coordinates.

Definition at line 507 of file FourierEngine.C.

References Image< T >::coordsOk(), Image< T >::getHeight(), Image< T >::getSize(), Image< T >::getWidth(), Dims::h(), sqrt(), Dims::w(), and ZEROS.

template<class T >

Image<T> logmagnitude

(

const Image< std::complex< T > > &

img

)

[inline]

Logarithm of complex magnitude.

Definition at line 466 of file FourierEngine.C.

References abs(), log(), min(), and NO_INIT.

Referenced by SpectralResidualChannel::getOutput().

template<class T >

Image<T> magnitude

(

const Image< std::complex< T > > &

img

)

[inline]

Complex magnitude.

Definition at line 447 of file FourierEngine.C.

References abs(), and NO_INIT.

Referenced by lobot::TTIEstimator::compute_distance(), and PlotBuffer::SimTimeToSI().

template<class T >

Image<T> phase

(

const Image< std::complex< T > > &

img

)

[inline]

Compute the complex phase of the fourier result.

Definition at line 488 of file FourierEngine.C.

References NO_INIT.

Referenced by StereoChannel::buildSubChans(), and SpectralResidualChannel::getOutput().