Detects multiple blobs in an image, image has to be black except blocks to detect. More...

#include <FeatureDetector/BlobDetectorBFS.hh>

Inheritance diagram for BIAS::BlobDetectorBFS< StorageType >:

Collaboration diagram for BIAS::BlobDetectorBFS< StorageType >:

Public Member Functions
	BlobDetectorBFS ()
	standard constructor More...

int	Detect (BIAS::Image< StorageType > &image, std::vector< BIAS::BIASBlob > &blobs)
	Detect and return blobs in an image. More...

int	DrawInImage (BIAS::Image< StorageType > &image)
	draws the detected blobs in image More...

int	GetLargestBoundingBox (BIAS::BIASBlob &corners)
	return largest blob (bounding box) More...

int	GetMaxNumBlobs ()
	return maximum number of blobs More...

void	SetEraseBelowMinSize (bool erase)
	setting this true will clear pixels (0) in clusters of weight < minWeight More...

void	SetGaussSigma (double sigma)
	set sigma for gaussian blurr before blobdetection More...

void	SetMaxNumBlobs (const int maxnum)

void	SetMaxSize (unsigned maxSize)

void	SetMinSize (unsigned minSize)
	set minimum size of blobs More...

void	SetROI (const BIAS::Vector2< unsigned > &UL, const BIAS::Vector2< unsigned > &LR)
	set a ROI (region of interest) in the image to detect More...

void	SetThreshold (StorageType threshold)
	set threshold for blobdetection More...

virtual	~BlobDetectorBFS ()
	standard destructor More...

Protected Member Functions
int	ClusterDescent_ (const unsigned int x, const unsigned int y, const unsigned int w, const unsigned int h, StorageType idaIn, unsigned char idaMark, BIAS::BIASBlob &corners, StorageType **idaOrig)
	protected blobDetection function More...

Protected Attributes
std::vector< BIAS::BIASBlob >	corners_

int	dMaxNumBlobs_
	maximum number of corners to return More...

bool	eraseBelowMinWeight_

double	gaussSigma_

BIAS::Image< StorageType >	imageSmooth_

BIAS::Vector2< unsigned >	LR_

BIAS::Image< unsigned char >	marker_

BIAS::Image< unsigned char >	markerBackup_

BIAS::BIASBlob	maxCorners_

unsigned	maxWeight_

unsigned	minWeight_

BIAS::Gauss< StorageType, StorageType >	smoothFilter_

StorageType	threshold_

BIAS::Vector2< unsigned >	UL_

Detailed Description

template<class StorageType>
class BIAS::BlobDetectorBFS< StorageType >

Detects multiple blobs in an image, image has to be black except blocks to detect.

Author: fkellner/ischiller 07/2008

Definition at line 23 of file BlobDetectorBFS.hh.

Constructor & Destructor Documentation

template<class StorageType >

BlobDetectorBFS::BlobDetectorBFS ( )

standard constructor

Definition at line 13 of file BlobDetectorBFS.cpp.

template<class StorageType >

BlobDetectorBFS::~BlobDetectorBFS ( )

virtual

standard destructor

Definition at line 27 of file BlobDetectorBFS.cpp.

Member Function Documentation

template<class StorageType>

int BlobDetectorBFS::ClusterDescent_	(	const unsigned int	x,
		const unsigned int	y,
		const unsigned int	w,
		const unsigned int	h,
		StorageType **	idaIn,
		unsigned char **	idaMark,
		BIAS::BIASBlob &	corners,
		StorageType **	idaOrig
	)

protected

protected blobDetection function

Parameters

[in]	x	start x pixel coordinate
[in]	y	start y pixel coordinate
[in]	w	width of search space
[in]	h	height of search space
[in]	idaIn	input image imageDataArray
[out]	idaMark	mark image imageDataArray (handled pixels are marked here)
[out]	corners	detected corners

Returns: int 0 on success -1 on failure

Definition at line 145 of file BlobDetectorBFS.cpp.

References BIAS::BIASBlob::centerofmass, BIAS::BIASBlob::LR, BIAS::BIASBlob::UL, and BIAS::BIASBlob::weight.

template<class StorageType>

int BlobDetectorBFS::Detect	(	BIAS::Image< StorageType > &	image,
		std::vector< BIAS::BIASBlob > &	blobs
	)

virtual

Detect and return blobs in an image.

Parameters

[in]	image	the image to detect blobs in
[out]	corners	vector where detected blobs are stored in

Returns: 0 on sucess, -1 on failure

Implements BIAS::BlobDetectorBase< StorageType >.

Definition at line 39 of file BlobDetectorBFS.cpp.

References BIAS::ImageBase::CopyIn_NoInit(), BIAS::ImageBase::GetChannelCount(), BIAS::ImageBase::GetHeight(), BIAS::Image< StorageType >::GetImageDataArray(), BIAS::ImageBase::GetWidth(), and BIAS::BIASBlob::weight.

template<class StorageType>

int BlobDetectorBFS::DrawInImage ( BIAS::Image< StorageType > & image )

draws the detected blobs in image

Parameters

[in] image the blobs are drawn in here

Returns: 0 on sucess, -1 on failure

Definition at line 321 of file BlobDetectorBFS.cpp.

References BIAS::BIASBlob::centerofmass, BIAS::ImageDraw< StorageType >::CircleCenterFilled(), BIAS::ImageBase::GetChannelCount(), BIAS::BIASBlob::LR, BIAS::ImageDraw< StorageType >::RectangleCorners(), BIAS::ImageConvert::ToRGB(), and BIAS::BIASBlob::UL.

template<class StorageType>

int BIAS::BlobDetectorBFS< StorageType >::GetLargestBoundingBox ( BIAS::BIASBlob & corners )

inline

return largest blob (bounding box)

Parameters

corners largest detected blob

Returns: 0 on sucess, -1 on failure

Definition at line 62 of file BlobDetectorBFS.hh.

template<class StorageType>

int BIAS::BlobDetectorBase< StorageType >::GetMaxNumBlobs ( )

inlineinherited

return maximum number of blobs

Author: ischiller

Definition at line 82 of file BlobDetectorBase.hh.

template<class StorageType>

void BIAS::BlobDetectorBFS< StorageType >::SetEraseBelowMinSize ( bool erase )

inline

setting this true will clear pixels (0) in clusters of weight < minWeight

Parameters

erase true to clean up

Definition at line 108 of file BlobDetectorBFS.hh.

template<class StorageType>

void BIAS::BlobDetectorBFS< StorageType >::SetGaussSigma ( double sigma )

inline

set sigma for gaussian blurr before blobdetection

Parameters

sigma the gauss sigma

Definition at line 89 of file BlobDetectorBFS.hh.

template<class StorageType>

void BIAS::BlobDetectorBase< StorageType >::SetMaxNumBlobs ( const int maxnum )

inlineinherited

Definition at line 74 of file BlobDetectorBase.hh.

template<class StorageType>

void BIAS::BlobDetectorBFS< StorageType >::SetMaxSize ( unsigned maxSize )

inline

Definition at line 101 of file BlobDetectorBFS.hh.

template<class StorageType>

void BIAS::BlobDetectorBFS< StorageType >::SetMinSize ( unsigned minSize )

inline

set minimum size of blobs

Parameters

minsize minimum size in pixel

Definition at line 97 of file BlobDetectorBFS.hh.

template<class StorageType>

void BIAS::BlobDetectorBFS< StorageType >::SetROI	(	const BIAS::Vector2< unsigned > &	UL,
		const BIAS::Vector2< unsigned > &	LR
	)

inline

set a ROI (region of interest) in the image to detect

Parameters

UL	Vector2 containing upper left corner
LR	Vector2 containing lower right corner

Definition at line 52 of file BlobDetectorBFS.hh.

template<class StorageType>

void BIAS::BlobDetectorBFS< StorageType >::SetThreshold ( StorageType threshold )

inline

set threshold for blobdetection

Parameters

threshold difference between background (black) and blob content

Definition at line 81 of file BlobDetectorBFS.hh.

Member Data Documentation

template<class StorageType>

std::vector<BIAS::BIASBlob> BIAS::BlobDetectorBFS< StorageType >::corners_

protected

Definition at line 133 of file BlobDetectorBFS.hh.

template<class StorageType>

int BIAS::BlobDetectorBase< StorageType >::dMaxNumBlobs_

protectedinherited

maximum number of corners to return

Definition at line 89 of file BlobDetectorBase.hh.

template<class StorageType>

bool BIAS::BlobDetectorBFS< StorageType >::eraseBelowMinWeight_

protected

Definition at line 139 of file BlobDetectorBFS.hh.

template<class StorageType>

double BIAS::BlobDetectorBFS< StorageType >::gaussSigma_

protected

Definition at line 135 of file BlobDetectorBFS.hh.

template<class StorageType>

BIAS::Image<StorageType> BIAS::BlobDetectorBFS< StorageType >::imageSmooth_

protected

Definition at line 137 of file BlobDetectorBFS.hh.

template<class StorageType>

BIAS::Vector2<unsigned> BIAS::BlobDetectorBFS< StorageType >::LR_

protected

Definition at line 131 of file BlobDetectorBFS.hh.

template<class StorageType>

BIAS::Image<unsigned char> BIAS::BlobDetectorBFS< StorageType >::marker_

protected

Definition at line 130 of file BlobDetectorBFS.hh.

template<class StorageType>

BIAS::Image<unsigned char> BIAS::BlobDetectorBFS< StorageType >::markerBackup_

protected

Definition at line 130 of file BlobDetectorBFS.hh.

template<class StorageType>

BIAS::BIASBlob BIAS::BlobDetectorBFS< StorageType >::maxCorners_

protected

Definition at line 132 of file BlobDetectorBFS.hh.

template<class StorageType>

unsigned BIAS::BlobDetectorBFS< StorageType >::maxWeight_

protected

Definition at line 138 of file BlobDetectorBFS.hh.

template<class StorageType>

unsigned BIAS::BlobDetectorBFS< StorageType >::minWeight_

protected

Definition at line 138 of file BlobDetectorBFS.hh.

template<class StorageType>

BIAS::Gauss<StorageType,StorageType> BIAS::BlobDetectorBFS< StorageType >::smoothFilter_

protected

Definition at line 136 of file BlobDetectorBFS.hh.

template<class StorageType>

StorageType BIAS::BlobDetectorBFS< StorageType >::threshold_

protected

Definition at line 134 of file BlobDetectorBFS.hh.

template<class StorageType>

BIAS::Vector2<unsigned> BIAS::BlobDetectorBFS< StorageType >::UL_

protected

Definition at line 131 of file BlobDetectorBFS.hh.

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

FeatureDetector/BlobDetectorBFS.hh
FeatureDetector/BlobDetectorBFS.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

template<class StorageType> class BIAS::BlobDetectorBFS< StorageType >

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

template<class StorageType>
class BIAS::BlobDetectorBFS< StorageType >