sdet_edge_champher Class Reference

#include <sdet_edge_champher.h>

List of all members.

Public Member Functions
	sdet_edge_champher (vbl_array_2d< vtol_edge_2d_sptr > &edges)
	Constructor.
	~sdet_edge_champher ()
	Destructor.
float	distance (int x, int y)
vtol_edge_2d_sptr	image_edge (int x, int y)
void	distance_with_edge_masked (int x, int y, vtol_edge_2d_sptr &e)
void	initialize_arrays (vbl_array_2d< vtol_edge_2d_sptr > &edges)
	Copies the edge array and sets the distance at each edge location to 0.
void	chamfer_34 ()
	Performs 3-4 Chamfer filtering on the distance_ image, and carries with it information about the orientations.
int	minimum_5 (int, int, int, int, int)
	Determines the minimum of five ints.
void	forward_chamfer ()
	Performs a forward chamfer convolution on the distance_ and _edge images.
void	backward_chamfer ()
	Performs a backward chamfer convolution on the distance_ and edges_ images.
void	compute_real_distances ()
	The Chamfer 3-4 masks compute distance which are three times the actual distance.
Private Attributes
int	xsize_
int	ysize_
vbl_array_2d< unsigned char >	distance_
vbl_array_2d< vtol_edge_2d_sptr >	edges_
int **	index_

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Detailed Description

Definition at line 23 of file sdet_edge_champher.h.

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Constructor & Destructor Documentation

sdet_edge_champher::sdet_edge_champher

(

vbl_array_2d< vtol_edge_2d_sptr > &

edges

)

Constructor.

Definition at line 12 of file sdet_edge_champher.cxx.

sdet_edge_champher::~sdet_edge_champher

(

)

Destructor.

Definition at line 27 of file sdet_edge_champher.cxx.

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Member Function Documentation

void sdet_edge_champher::backward_chamfer

(

)

Performs a backward chamfer convolution on the distance_ and edges_ images.

Definition at line 124 of file sdet_edge_champher.cxx.

void sdet_edge_champher::chamfer_34

(

)

Performs 3-4 Chamfer filtering on the distance_ image, and carries with it information about the orientations.

Definition at line 52 of file sdet_edge_champher.cxx.

void sdet_edge_champher::compute_real_distances

(

)

The Chamfer 3-4 masks compute distance which are three times the actual distance.

Scale all values by three in the distance_ image.

Definition at line 165 of file sdet_edge_champher.cxx.

float sdet_edge_champher::distance	(	int	x,
		int	y
	)		[inline]

Definition at line 36 of file sdet_edge_champher.h.

void sdet_edge_champher::distance_with_edge_masked	(	int	x,
		int	y,
		vtol_edge_2d_sptr &	e
	)

void sdet_edge_champher::forward_chamfer

(

)

Performs a forward chamfer convolution on the distance_ and _edge images.

Definition at line 81 of file sdet_edge_champher.cxx.

vtol_edge_2d_sptr sdet_edge_champher::image_edge	(	int	x,
		int	y
	)		[inline]

Definition at line 46 of file sdet_edge_champher.h.

void sdet_edge_champher::initialize_arrays

(

vbl_array_2d< vtol_edge_2d_sptr > &

edges

)

Copies the edge array and sets the distance at each edge location to 0.

Note that vbl_array has r, c -> y, x index order

Definition at line 37 of file sdet_edge_champher.cxx.

int sdet_edge_champher::minimum_5	(	int	a,
		int	b,
		int	c,
		int	d,
		int	e
	)

Determines the minimum of five ints.

Definition at line 63 of file sdet_edge_champher.cxx.

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Member Data Documentation

vbl_array_2d<unsigned char> sdet_edge_champher::distance_ [private]

Definition at line 77 of file sdet_edge_champher.h.

vbl_array_2d<vtol_edge_2d_sptr> sdet_edge_champher::edges_ [private]

Definition at line 79 of file sdet_edge_champher.h.

int** sdet_edge_champher::index_ [private]

Definition at line 82 of file sdet_edge_champher.h.

int sdet_edge_champher::xsize_ [private]

Definition at line 74 of file sdet_edge_champher.h.

int sdet_edge_champher::ysize_ [private]

Definition at line 74 of file sdet_edge_champher.h.

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The documentation for this class was generated from the following files:

• contrib/brl/bseg/sdet/sdet_edge_champher.h
• contrib/brl/bseg/sdet/sdet_edge_champher.cxx