alvar::Labeling Class Reference

Base class for labeling connected components from binary image. More...

#include <ConnectedComponents.h>

Inheritance diagram for alvar::Labeling:

Public Types
enum	ThresholdMethod { THRESH, ADAPT }
	Two alternatives for thresholding the gray image. ADAPT (adaptive threshold) is only supported currently. More...

Public Member Functions
bool	CheckBorder (CvSeq *contour, int width, int height)
	Labeling ()
virtual void	LabelSquares (IplImage *image, bool visualize=false)=0
	Labels image and filters blobs to obtain square-shaped objects from the scene. More...
void	SetCamera (Camera *camera)
	Sets the camera object that is used to correct lens distortions. More...
void	SetThreshParams (int param1, int param2)
virtual	~Labeling ()

Public Attributes
std::vector< std::vector< PointDouble > >	blob_corners
	Vector of 4-length vectors where the corners of detected blobs are stored. More...
IplImage *	bw
	Pointer to binary image that is then labeled. More...
IplImage *	gray
	Pointer to grayscale image that is thresholded for labeling. More...

Protected Attributes
Camera *	cam
int	thresh_param1
int	thresh_param2

Detailed Description

Base class for labeling connected components from binary image.

Definition at line 51 of file ConnectedComponents.h.

Member Enumeration Documentation

ThresholdMethod

enum alvar::Labeling::ThresholdMethod

Two alternatives for thresholding the gray image. ADAPT (adaptive threshold) is only supported currently.

Enumerator
THRESH
ADAPT

Definition at line 78 of file ConnectedComponents.h.

Constructor & Destructor Documentation

Labeling()

alvar::Labeling::Labeling

(

)

Constructor

Definition at line 33 of file ConnectedComponents.cpp.

~Labeling()

alvar::Labeling::~Labeling ( )

virtual

Destructor

Definition at line 42 of file ConnectedComponents.cpp.

Member Function Documentation

CheckBorder()

bool alvar::Labeling::CheckBorder	(	CvSeq *	contour,
		int	width,
		int	height
	)

Definition at line 50 of file ConnectedComponents.cpp.

LabelSquares()

virtual void alvar::Labeling::LabelSquares ( IplImage *  image, bool  visualize = false  )

pure virtual

Labels image and filters blobs to obtain square-shaped objects from the scene.

Implemented in alvar::LabelingCvSeq.

SetCamera()

void alvar::Labeling::SetCamera ( Camera *  camera )

inline

Sets the camera object that is used to correct lens distortions.

Definition at line 93 of file ConnectedComponents.h.

SetThreshParams()

void alvar::Labeling::SetThreshParams ( int  param1, int  param2  )

inline

Examples:

SampleLabeling.cpp.

Definition at line 102 of file ConnectedComponents.h.

Member Data Documentation

blob_corners

std::vector<std::vector<PointDouble> > alvar::Labeling::blob_corners

Vector of 4-length vectors where the corners of detected blobs are stored.

Definition at line 73 of file ConnectedComponents.h.

bw

IplImage* alvar::Labeling::bw

Pointer to binary image that is then labeled.

Definition at line 68 of file ConnectedComponents.h.

cam

Camera* alvar::Labeling::cam

protected

Definition at line 56 of file ConnectedComponents.h.

gray

IplImage* alvar::Labeling::gray

Pointer to grayscale image that is thresholded for labeling.

Definition at line 64 of file ConnectedComponents.h.

thresh_param1

int alvar::Labeling::thresh_param1

protected

Definition at line 57 of file ConnectedComponents.h.

thresh_param2

int alvar::Labeling::thresh_param2

protected

Definition at line 57 of file ConnectedComponents.h.

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

• ConnectedComponents.h
• ConnectedComponents.cpp