fourier.h File Reference

#include "processing_core.h"

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Macros
#define	FOR_DIRECT   1
#define	FOR_INVERSE   2
#define	FFT_MALLOC   fftw_malloc
#define	FFT_PLAN_R2C   fftw_plan_many_dft_r2c
#define	FFT_PLAN_C2R   fftw_plan_many_dft_r2c
#define	FFT_EXECUTE   fftw_execute
#define	FFT_FREE   fftw_free
#define	FFT_DESTROY_PLAN   fftw_destroy_plan
#define	RED_PLANE   0
#define	GREEN_PLANE   1
#define	BLUE_PLANE   2
#define	redValue(s, x, y)   colorValue(s,x,y,RED_PLANE)
#define	greenValue(s, x, y)   colorValue(s,x,y,GREEN_PLANE)
#define	blueValue(s, x, y)   colorValue(s,x,y,BLUE_PLANE)

Functions
void	FFT_DATA_INIT (FFT_DATA *d)
short	log_2 (short val)
void	free_spectrum (FFT_DATA *s)
void	allocate_spectrum (FFT_DATA *s, u_short w, u_short h, u_char nplanes, u_char goal)
void	fourier (FFT_DATA sample)
void	fourier_inverse (FFT_DATA sample, REAL *vmin, REAL *vmax)
void *	rgbPlane (FFT_DATA sample, u_char c)
REAL *	colorValue (FFT_DATA sample, u_short x, u_short y, u_char c)

Macro Definition Documentation

BLUE_PLANE

#define BLUE_PLANE   2

blueValue

#define blueValue	(		s,
			x,
			y
	)		colorValue(s,x,y,BLUE_PLANE)

FFT_DESTROY_PLAN

#define FFT_DESTROY_PLAN   fftw_destroy_plan

FFT_EXECUTE

#define FFT_EXECUTE   fftw_execute

FFT_FREE

#define FFT_FREE   fftw_free

FFT_MALLOC

#define FFT_MALLOC   fftw_malloc

FFT_PLAN_C2R

#define FFT_PLAN_C2R   fftw_plan_many_dft_r2c

FFT_PLAN_R2C

#define FFT_PLAN_R2C   fftw_plan_many_dft_r2c

FOR_DIRECT

#define FOR_DIRECT   1

FOR_INVERSE

#define FOR_INVERSE   2

GREEN_PLANE

#define GREEN_PLANE   1

greenValue

#define greenValue	(		s,
			x,
			y
	)		colorValue(s,x,y,GREEN_PLANE)

RED_PLANE

#define RED_PLANE   0

redValue

#define redValue	(		s,
			x,
			y
	)		colorValue(s,x,y,RED_PLANE)

Function Documentation

allocate_spectrum()

void allocate_spectrum	(	FFT_DATA *	s,
		u_short	w,
		u_short	h,
		u_char	nplanes,
		u_char	goal
	)

References FFT_DATA::direct, FFT_MALLOC, FFT_PLAN_C2R, FFT_PLAN_R2C, fftwDefaultFlag, fftwLock, FOR_DIRECT, FOR_INVERSE, free_spectrum(), FFT_DATA::goal, FFT_DATA::h, FFT_DATA::inverse, FFT_DATA::nplanes, FFT_DATA::pw, FFT_DATA::spectrum, and FFT_DATA::w.

Referenced by MyImageAligner::alignWithList:reference:refBuffer:lock:darkFrame:flatField:rectangle:cutOff:precisionThreshold:, MyImageAnalyzer::analyzeWithList:darkFrame:flatField:rectangle:method:lowCutoff:highCutoff:, and MyPostProcessing::process:seqnb:width:height:deconvRadius:deconvThreshold:unsharpRadius:unsharpGain:.

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colorValue()

REAL* colorValue ( FFT_DATA  sample, u_short  x, u_short  y, u_char  c  )

inline

Access to the color sample (spatial data)

References FFT_DATA::h, FFT_DATA::pw, and FFT_DATA::spectrum.

Referenced by corelation_peak(), correlate_spectrums(), makeGaussianSpectrum(), and MyPostProcessing::makeImageWithMin:Max:.

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FFT_DATA_INIT()

void FFT_DATA_INIT ( FFT_DATA *  d )

inline

References FFT_DATA::goal, and FFT_DATA::spectrum.

fourier()

void fourier

(

FFT_DATA

sample

)

References FFT_DATA::direct, FFT_EXECUTE, FOR_DIRECT, and FFT_DATA::goal.

Referenced by MyImageAligner::alignWithList:reference:refBuffer:lock:darkFrame:flatField:rectangle:cutOff:precisionThreshold:, correlate(), makeGaussianSpectrum(), and MyPostProcessing::process:seqnb:width:height:deconvRadius:deconvThreshold:unsharpRadius:unsharpGain:.

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fourier_inverse()

void fourier_inverse	(	FFT_DATA	sample,
		REAL *	vmin,
		REAL *	vmax
	)

References FFT_EXECUTE, FOR_INVERSE, FFT_DATA::goal, FFT_DATA::h, FFT_DATA::inverse, max, min, FFT_DATA::nplanes, FFT_DATA::pw, FFT_DATA::spectrum, and FFT_DATA::w.

Referenced by correlate_spectrums(), and MyPostProcessing::process:seqnb:width:height:deconvRadius:deconvThreshold:unsharpRadius:unsharpGain:.

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free_spectrum()

void free_spectrum

(

FFT_DATA *

s

)

References FFT_DATA::direct, FFT_DESTROY_PLAN, FFT_FREE, fftwLock, FOR_DIRECT, FOR_INVERSE, FFT_DATA::goal, FFT_DATA::inverse, and FFT_DATA::spectrum.

Referenced by allocate_spectrum(), and MyPostProcessing::process:seqnb:width:height:deconvRadius:deconvThreshold:unsharpRadius:unsharpGain:.

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log_2()

short log_2

(

short

val

)

rgbPlane()

void* rgbPlane ( FFT_DATA  sample, u_char  c  )

inline

Access to the color plane

References FFT_DATA::h, FFT_DATA::spectrum, and FFT_DATA::w.

Referenced by MyPostProcessing::process:seqnb:width:height:deconvRadius:deconvThreshold:unsharpRadius:unsharpGain:.

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