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#ifndef IMG_UTILS_H_INCLUDED
#define IMG_UTILS_H_INCLUDED

#include <stdint.h>

int getMaxPixelValue(const int pixels[], const unsigned int num_pixels);
int getMinPixelValue(const int pixels[], const unsigned int num_pixels);
unsigned int zeroPixelsBelowThreshold(int pixels[], const unsigned int num_pixels, const int threshold);
void filterLowPassPixels(int pixels[], float filtpixels[], const unsigned int num_pixels, const float alpha);
void subtractBackground(int pixels[], float short_avg_pixels[], float long_avg_pixels[], const unsigned int num_pixels, const float alpha_short_avg, const float alpha_long_avg);
void calcCenterOfMass(const int pixels[], const unsigned int xres, const unsigned int yres, float *cmx, float *cmy, int *totalmass);
void interpn(const int pixels[], int interp_pixels[], const int w, const int h, const int interpolation_factor);

#endif