fftwext.h

gehe zur Dokumentation dieser Datei

#ifndef FFTWEXT_H
#define FFTWEXT_H

extern "C"
{
  // see fftw.org
  #include <fftw3.h>
}

#include <opencv/cv.hpp>

#define c_re(c) ((c)[0])
#define c_im(c) ((c)[1])

namespace seemicro
{

inline CvScalar toColorScalar(double v, int (*above_threshold)(double) = NULL);

void IplImage2fftw_real(IplImage *img, double* ff, int ffwidth = 0, int ffheight = 0);

void doubles2IplImage(double scale, IplImage *img, double* ff,
  int ffwidth = 0, int ffheight = 0, int (*above_threshold)(double) = NULL);

void fftw_complex2IplImages(fftw_complex *ff, IplImage *outR, IplImage *outI);

void fftw_complex2IplImageMagnitude(fftw_complex *ff, IplImage *magnitude);

void fftw_complex_multiply(fftw_complex *a, fftw_complex *b, int w, int h);

void fftw_complex_multiply_conjugate(fftw_complex *a, fftw_complex *b, int w, int h);

double try_mark_region(double *ff, int width, int height,
    int (*above_threshold)(double),
    int x, int y, int* x_max, int* y_max, double scale);

struct maximum { double v; int x,y; };

int find_maxima(struct maximum *maxima, int width, int height, double *ff,
    int (*above_threshold)(double), int max_maxima=1);

void findMaxPoint(int width, int height, double *ff, double threshold_value,
  maximum *max);

} // namespace seemicro

#endif

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