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edge.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

Go to the source code of this file.

Functions

int read_pgm_hdr (FILE *, int *, int *)
void ** matrix (int, int, int, int, int)
void error (const char *)
int skipcomment (FILE *fp)
void reflect (unsigned char **xc, int nrows, int ncols, int amount)
void reflectf (float **xc, int nrows, int ncols, int amount)
float LinearInterpolate (float y1, float y2, float mu)
void nms (float **anglec, float **magc, int nrows, int ncols, int thresh, int thresh2)
void robert (unsigned char **xc, int nrows, int ncols, int thresh, int thresh2)
void prewit (unsigned char **xc, int nrows, int ncols, int thresh, int thresh2)
void sobel (unsigned char **xc, int nrows, int ncols, int thresh, int thresh2)
void frie_chen (unsigned char **xc, int nrows, int ncols, int thresh, int thresh2)
int main (int argc, char **argv)

Variables

int skipNMS = 0

Function Documentation

int read_pgm_hdr (  FILE *  ,
int *  ,
int * 
) 
 

Definition at line 33 of file edge.c.

References skipcomment().

void ** matrix (  int  ,
int  ,
int  ,
int  ,
int 
) 
 

Definition at line 74 of file edge.c.

void error (  const char *   ) 
 

Definition at line 55 of file edge.c.

int skipcomment (  FILE *  fp  ) 
 

Definition at line 107 of file edge.c.

void reflect (  unsigned char **  xc,
int  nrows,
int  ncols,
int  amount
) 
 

Definition at line 134 of file edge.c.

References error(), and matrix().

void reflectf (  float **  xc,
int  nrows,
int  ncols,
int  amount
) 
 

Definition at line 172 of file edge.c.

References error(), and matrix().

float LinearInterpolate (  float  y1,
float  y2,
float  mu
) 
 

Definition at line 213 of file edge.c.

void nms (  float **  anglec,
float **  magc,
int  nrows,
int  ncols,
int  thresh,
int  thresh2
) 
 

Definition at line 222 of file edge.c.

References error(), LinearInterpolate(), matrix(), and reflectf().

void robert (  unsigned char **  xc,
int  nrows,
int  ncols,
int  thresh,
int  thresh2
) 
 

Definition at line 514 of file edge.c.

References error(), matrix(), nms(), and skipNMS.

void prewit (  unsigned char **  xc,
int  nrows,
int  ncols,
int  thresh,
int  thresh2
) 
 

Definition at line 599 of file edge.c.

References error(), matrix(), nms(), and skipNMS.

void sobel (  unsigned char **  xc,
int  nrows,
int  ncols,
int  thresh,
int  thresh2
) 
 

Definition at line 690 of file edge.c.

References error(), matrix(), nms(), and skipNMS.

void frie_chen (  unsigned char **  xc,
int  nrows,
int  ncols,
int  thresh,
int  thresh2
) 
 

Definition at line 781 of file edge.c.

References error(), matrix(), nms(), and skipNMS.

int main (  int  argc,
char **  argv
) 
 

Definition at line 867 of file edge.c.

References error(), and read_pgm_hdr().

Variable Documentation

int skipNMS = 0
 

Definition at line 21 of file edge.c.

Generated on Wed May 4 18:18:26 2005 for Edge detection by doxygen 1.3.6