rdf::LineTrace Class Reference

Detects Lines in a binary image. The result is a binary image containing all line elements (pixel accurate) as well as all lines as vectors. It is also possible to filter lines according a specified angle. More...

#include <LineTrace.h>

Inheritance diagram for rdf::LineTrace:

Collaboration diagram for rdf::LineTrace:

Public Member Functions
	LineTrace (const cv::Mat &img, const cv::Mat &mask=cv::Mat())
	Initializes a new instance of the LineTrace class. More...
bool	isEmpty () const override
	Determines whether this instance is empty. More...
virtual bool	compute () override
	Computes the binary line image as will as the line vectors. More...
QVector< rdf::Line >	getHLines () const
	Gets the horizontal lines. More...
QVector< rdf::Line >	getVLines () const
	Gets the vertical lines. More...
QVector< rdf::Line >	getLines () const
void	setAngle (double angle=std::numeric_limits< double >::infinity())
	Sets the angle to filter the lines horizontally and vertically. More...
void	resetAngle ()
	Resets the angle which defines horizontal. More...
QSharedPointer< LineTraceConfig >	config () const
cv::Mat	lineImage () const
	Returns the line image. More...
cv::Mat	generatedLineImage () const
	Generates the line image based on the synthetic line vector. More...
virtual QString	toString () const override
	Summary of the class. More...
Public Member Functions inherited from rdf::Module
	Module ()
	Default constructor Initializes a new instance of the Module class. More...
virtual QString	name () const
	Returns the module's name. More...
virtual void	setConfig (QSharedPointer< ModuleConfig > config)
QSharedPointer< ModuleConfig >	config () const

Static Public Member Functions
static void	generateLineImage (const QVector< rdf::Line > &hline, const QVector< rdf::Line > &vline, cv::Mat &img, cv::Scalar hCol=cv::Scalar(255), cv::Scalar vCol=cv::Scalar(255), cv::Point2d offset=cv::Point(0, 0))

Protected Member Functions
bool	checkInput () const override
Protected Member Functions inherited from rdf::Module
QString	debugName () const

Protected Attributes
cv::Mat	mSrcImg
cv::Mat	mLineImg
cv::Mat	mMask
QVector< rdf::Line >	hLines
QVector< rdf::Line >	vLines
LineFilter	mLineFilter
Protected Attributes inherited from rdf::Module
QSharedPointer< ModuleConfig >	mConfig

Detailed Description

Detects Lines in a binary image. The result is a binary image containing all line elements (pixel accurate) as well as all lines as vectors. It is also possible to filter lines according a specified angle.

See also

Module

Constructor & Destructor Documentation

rdf::LineTrace::LineTrace	(	const cv::Mat &	img,
		const cv::Mat &	mask = cv::Mat()
	)

Initializes a new instance of the LineTrace class.

Parameters

img	The binary input image.
mask	The mask image.

Member Function Documentation

bool rdf::LineTrace::checkInput ( ) const

overrideprotectedvirtual

checks if all input images are in the specified format.

Implements rdf::Module.

bool rdf::LineTrace::compute ( )

overridevirtual

Computes the binary line image as will as the line vectors.

Returns

True if the lines are computed successfully.

Implements rdf::Module.

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QSharedPointer< LineTraceConfig > rdf::LineTrace::config

(

)

const

cv::Mat rdf::LineTrace::generatedLineImage

(

)

const

Generates the line image based on the synthetic line vector.

Returns

A binary CV_8UC1 image where all line vectors are drawn.

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void rdf::LineTrace::generateLineImage ( const QVector< rdf::Line > &  hline, const QVector< rdf::Line > &  vline, cv::Mat &  img, cv::Scalar  hCol = cv::Scalar(255), cv::Scalar  vCol = cv::Scalar(255), cv::Point2d  offset = cv::Point(0,0)  )

static

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QVector< rdf::Line > rdf::LineTrace::getHLines

(

)

const

Gets the horizontal lines.

Returns

A line vector containing all horizontal lines

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QVector< rdf::Line > rdf::LineTrace::getLines

(

)

const

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QVector< rdf::Line > rdf::LineTrace::getVLines

(

)

const

Gets the vertical lines.

Returns

A line vector containing all vertical lines

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bool rdf::LineTrace::isEmpty ( ) const

overridevirtual

Determines whether this instance is empty.

Returns

True if src image and mask is empty.

Implements rdf::Module.

cv::Mat rdf::LineTrace::lineImage

(

)

const

Returns the line image.

Returns

A binary CV_8UC1 image containing the lines.

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void rdf::LineTrace::resetAngle

(

)

Resets the angle which defines horizontal.

void rdf::LineTrace::setAngle

(

double

angle = std::numeric_limits<double>::infinity()

)

Sets the angle to filter the lines horizontally and vertically.

Parameters

angle

The angle to define a horizontal line.

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QString rdf::LineTrace::toString ( ) const

overridevirtual

Summary of the class.

Returns

A String containing all parameter values.

Reimplemented from rdf::Module.

Member Data Documentation

QVector<rdf::Line> rdf::LineTrace::hLines

protected

LineFilter rdf::LineTrace::mLineFilter

protected

cv::Mat rdf::LineTrace::mLineImg

protected

cv::Mat rdf::LineTrace::mMask

protected

cv::Mat rdf::LineTrace::mSrcImg

protected

QVector<rdf::Line> rdf::LineTrace::vLines

protected

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

• src/Module/LineTrace.h
• src/Module/LineTrace.cpp