filter.h File Reference

#include <vector>
#include <cmath>
#include "image.h"
#include "misc.h"
#include "convolve.h"
#include "imconv.h"

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Defines
#define	MAKE_FILTER(name, fun)
#define	WIDTH   4.0
Functions
static image< float > *	laplacian (image< float > *src)
	MAKE_FILTER (fgauss, exp(-0.5 *square(i/sigma)))
static void	normalize (std::vector< float > &mask)
static image< float > *	smooth (image< float > *src, float sigma)
image< float > *	smooth (image< uchar > *src, float sigma)

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Define Documentation

#define MAKE_FILTER	(		name,
			fun
	)

Value:

static std::vector<float> make_ ## name (float sigma) {       \
  sigma = std::max(sigma, 0.01F);                             \
  int len = (int)ceil(sigma * WIDTH) + 1;                     \
  std::vector<float> mask(len);                               \
  for (int i = 0; i < len; i++) {                             \
    mask[i] = fun;                                            \
  }                                                           \
  return mask;                                                \
}

Definition at line 47 of file filter.h.

#define WIDTH   4.0

Definition at line 31 of file filter.h.

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Function Documentation

static image<float>* laplacian

(

image< float > *

src

)

[static]

Definition at line 83 of file filter.h.

MAKE_FILTER	(	fgauss	,
		exp(-0.5 *square(i/sigma))
	)

static void normalize

(

std::vector< float > &

mask

)

[static]

Definition at line 34 of file filter.h.

static image<float>* smooth	(	image< float > *	src,
		float	sigma
	)		[static]

Definition at line 61 of file filter.h.

image<float>* smooth	(	image< uchar > *	src,
		float	sigma
	)

Definition at line 75 of file filter.h.