alvar::LabelingCvSeq Class Reference

Labeling class that uses OpenCV routines to find connected components. More...

#include <ConnectedComponents.h>

Inheritance diagram for alvar::LabelingCvSeq:

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

Protected Attributes
int	_min_area
int	_min_edge
int	_n_blobs
bool	detect_pose_grayscale
CvMemStorage *	storage
Protected Attributes inherited from alvar::Labeling
Camera *	cam
int	thresh_param1
int	thresh_param2

Additional Inherited Members
Public Types inherited from alvar::Labeling
enum	ThresholdMethod { THRESH, ADAPT }
	Two alternatives for thresholding the gray image. ADAPT (adaptive threshold) is only supported currently. More...
Public Attributes inherited from alvar::Labeling
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...

Detailed Description

Labeling class that uses OpenCV routines to find connected components.

Examples:

SampleLabeling.cpp.

Definition at line 112 of file ConnectedComponents.h.

Constructor & Destructor Documentation

alvar::LabelingCvSeq::LabelingCvSeq

(

)

Definition at line 61 of file ConnectedComponents.cpp.

alvar::LabelingCvSeq::~LabelingCvSeq

(

)

Definition at line 67 of file ConnectedComponents.cpp.

Member Function Documentation

CvSeq * alvar::LabelingCvSeq::LabelImage	(	IplImage *	image,
		int	min_size,
		bool	approx = false
	)

Examples:

SampleLabeling.cpp.

Definition at line 239 of file ConnectedComponents.cpp.

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

virtual

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

Implements alvar::Labeling.

Examples:

SampleLabeling.cpp.

Definition at line 77 of file ConnectedComponents.cpp.

void alvar::LabelingCvSeq::SetOptions

(

bool

_detect_pose_grayscale = false

)

Definition at line 73 of file ConnectedComponents.cpp.

Member Data Documentation

int alvar::LabelingCvSeq::_min_area

protected

Definition at line 119 of file ConnectedComponents.h.

int alvar::LabelingCvSeq::_min_edge

protected

Definition at line 118 of file ConnectedComponents.h.

int alvar::LabelingCvSeq::_n_blobs

protected

Definition at line 117 of file ConnectedComponents.h.

bool alvar::LabelingCvSeq::detect_pose_grayscale

protected

Definition at line 120 of file ConnectedComponents.h.

CvMemStorage* alvar::LabelingCvSeq::storage

protected

Definition at line 122 of file ConnectedComponents.h.

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

• ConnectedComponents.h
• ConnectedComponents.cpp