Tool-class for detecting tilted quads in images. More...

#include <QuadDetector.h>

Inheritance diagram for icl::markers::QuadDetector:

Public Types
enum	QuadColor { BlackOnly, WhiteOnly, BlackAndWhite }
	enum, that helps to specify what quads are searched in the threshold-result image More...
typedef std::vector < utils::Point32f >	PVec
	internal typedef for vector of points
typedef std::vector< PVec >	PVecVec
	internal typedef for vector of vector of points
Public Member Functions
	QuadDetector (QuadColor c=BlackOnly, bool dynamic=false, float minQRating=0.4)
	Base constructor.
	~QuadDetector ()
	Destructor.
const std::vector< TiltedQuad > &	detect (const core::ImgBase *image)
	apply-method, that extracts quad-like structures in the input image
const core::Img8u &	getLastBinaryImage () const
	returns the last binary image that was produced internally
icl::cv::RegionDetector *	getRegionDetector ()
	returns the internal region detector instance
const PVecVec &	getAllCorners () const
	returns all corners (const)
PVecVec &	getAllCorners ()
	returns all corners
const PVecVec &	getLongestCorners () const
	returns longest corners (const)
PVecVec &	getLongestCorners ()
	returns longest corners
const PVecVec &	getSecLongestCorners () const
	returns 2nd longest corners (const)
PVecVec &	getSecLongestCorners ()
	returns 2nd longest corners
const PVecVec &	getInterCorners () const
	return inter? conrners (const)
PVecVec &	getInterCorners ()
	return inter? conrners
const PVecVec &	getPerpCorners () const
	returns perpendicular corners (const)
PVecVec &	getPerpCorners ()
	returns perpendicular corners
const PVecVec &	getMirrorCorners () const
	returns mirror corners (const)
PVecVec &	getMirrorCorners ()
	returns mirror corners (const)
std::vector< utils::Point32f >	computeCorners (const cv::ImageRegion &r) const
	computes corners for the given image region
Private Attributes
Data *	data
	Internal data pointer (hidden)

Detailed Description

Tool-class for detecting tilted quads in images.

The quad detector combines usual steps that are used to find quad-like structures in input images.

General Information

The QuadDetector combines a local threshold preprocessor, optional further preprocessing steps such as median or morphological operations with an icl::cv::RegionDetector based search for regions with 4 corners.

utils::Configurable interface

The QuadDetector forwards the local-threshold and the RegionDetector options. It also adds some extra properties for the post-processing the local-threshold result image before it's passed to the region detector internally

Member Typedef Documentation

typedef std::vector<utils::Point32f> icl::markers::QuadDetector::PVec

internal typedef for vector of points

typedef std::vector<PVec> icl::markers::QuadDetector::PVecVec

internal typedef for vector of vector of points

Member Enumeration Documentation

enum icl::markers::QuadDetector::QuadColor

enum, that helps to specify what quads are searched in the threshold-result image

Enumerator:

BlackOnly	only quads that are black (default, value 0)
WhiteOnly	only quads that are white (value 255)
BlackAndWhite	white and black quads

Constructor & Destructor Documentation

icl::markers::QuadDetector::QuadDetector	(	QuadColor	c = `BlackOnly`,
		bool	dynamic = `false`,
		float	minQRating = `0.4`
	)

Base constructor.

Parameters:

c	the detected quads binary value
dynamic	if this is set to true, there will be a changable property for the quad color, otherwise, the initial value will remain fixed

icl::markers::QuadDetector::~QuadDetector ( )

Destructor.

Member Function Documentation

std::vector<utils::Point32f> icl::markers::QuadDetector::computeCorners ( const cv::ImageRegion & r ) const

computes corners for the given image region

const std::vector<TiltedQuad>& icl::markers::QuadDetector::detect ( const core::ImgBase * image )

apply-method, that extracts quad-like structures in the input image

This method first applys a local threshold to the given input image, which results in a binary icl8u-image. This image is then optionally processed by a median and/or by some morphological operations

const PVecVec& icl::markers::QuadDetector::getAllCorners ( ) const

returns all corners (const)

PVecVec& icl::markers::QuadDetector::getAllCorners ( )

returns all corners

const PVecVec& icl::markers::QuadDetector::getInterCorners ( ) const

return inter? conrners (const)

PVecVec& icl::markers::QuadDetector::getInterCorners ( )

return inter? conrners

const core::Img8u& icl::markers::QuadDetector::getLastBinaryImage ( ) const

returns the last binary image that was produced internally

const PVecVec& icl::markers::QuadDetector::getLongestCorners ( ) const

returns longest corners (const)

PVecVec& icl::markers::QuadDetector::getLongestCorners ( )

returns longest corners

const PVecVec& icl::markers::QuadDetector::getMirrorCorners ( ) const

returns mirror corners (const)

PVecVec& icl::markers::QuadDetector::getMirrorCorners ( )

returns mirror corners (const)

const PVecVec& icl::markers::QuadDetector::getPerpCorners ( ) const

returns perpendicular corners (const)

PVecVec& icl::markers::QuadDetector::getPerpCorners ( )

returns perpendicular corners

icl::cv::RegionDetector* icl::markers::QuadDetector::getRegionDetector ( )

returns the internal region detector instance

const PVecVec& icl::markers::QuadDetector::getSecLongestCorners ( ) const

returns 2nd longest corners (const)

PVecVec& icl::markers::QuadDetector::getSecLongestCorners ( )

returns 2nd longest corners

Member Data Documentation

Data* icl::markers::QuadDetector::data [private]

Internal data pointer (hidden)

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

/home/jenkins/workspace/icl-manual-trunk/icl-manual/ICLMarkers/src/ICLMarkers/QuadDetector.h

Public Types

Public Member Functions

Private Attributes