PixelSet stores and manipulates pixel collections. More...

#include <PixelSet.h>

Inheritance diagram for rdf::PixelSet:

Collaboration diagram for rdf::PixelSet:

Public Types
enum	ConnectionMode { connect_Delaunay, connect_region, connect_end }

enum	mDrawFlags { draw_nothing = 0x0, draw_pixels = 0x1, draw_poly = 0x2, draw_rect = 0x4, draw_end }

typedef Flags< mDrawFlags >	DrawFlags

Public Member Functions
	PixelSet ()

	PixelSet (const QVector< QSharedPointer< Pixel > > &set)

void	operator+= (const PixelSet &set)

QSharedPointer< Pixel >	operator[] (int idx) const

void	operator<< (const QSharedPointer< Pixel > &pixel)

void	operator<< (const PixelSet &set)

bool	isEmpty () const

bool	contains (const QSharedPointer< Pixel > &pixel) const

virtual void	add (const QSharedPointer< Pixel > &pixel)

virtual void	remove (const QSharedPointer< Pixel > &pixel)

virtual void	append (const QVector< QSharedPointer< Pixel > > &set)

virtual void	scale (double factor)

virtual void	filterDuplicates (int eps=5)

QVector< QSharedPointer< Pixel > >	pixels () const

int	size () const

QVector< Vector2D >	pointSet (double offsetAngle=0.0) const
	Returns a point set. The points are sampled along the pixel's ellipses w.r.t the relative angle which is added to the text line orientation. If angle == DBL_MAX or pixel->stats() == NULL, the ellipse centers are sampled instead. More...

QVector< Vector2D >	centers () const

Polygon	convexHull () const

Rect	boundingBox () const

Line	fitLine (double offsetAngle=0.0) const

Ellipse	fitEllipse () const

Vector2D	center () const

Vector2D	meanCenter () const

double	orientation (double statMoment=0.5) const
	Computes the sets median orientation. More...

double	lineSpacing (double statMoment=0.5) const

double	area () const

QSharedPointer< Pixel >	find (const QString &id) const
	Returns the pixel having the id specified. If no pixel with this ID exists, a null pointer is returned. More...

QSharedPointer< TextLine >	toTextLine () const

virtual void	draw (QPainter &p, const DrawFlags &options=DrawFlags()\|draw_pixels\|draw_poly, const Pixel::DrawFlags &pixelOptions=Pixel::DrawFlags()\|Pixel::draw_ellipse\|Pixel::draw_label_colors) const

QVector< PixelSet >	splitScales () const

virtual QString	toString () const override

Public Member Functions inherited from rdf::BaseElement
	BaseElement (const QString &id=QString())
	This class keeps an ID to keep track of transformed elements during a processing chain. You can e.g. generate Pixel elements from MserBlobs. After filtering, processing etc. you can map back to the (pixel accurate) MserBlob using this ID. More...

void	setId (const QString &id)
	Sets the (preferably unique) ID. If no ID is set, a unqiue ID is generated and assigned. More...

QString	id () const
	Returns the elment's id. More...

Static Public Member Functions
static QVector< QSharedPointer< PixelEdge > >	connect (const QVector< QSharedPointer< Pixel > > &superPixels, const ConnectionMode &mode=connect_Delaunay)
	This is a convenience function that connects SuperPixels. It is recommended to use the connector classes respectively. More...

static QVector< PixelSet >	fromEdges (const QVector< QSharedPointer< PixelEdge > > &edges)

static PixelSet	merge (const QVector< PixelSet > &sets)
	Merges multiple pixel sets to one set. More...

Protected Member Functions
Polygon	polygon (const QVector< Vector2D > &pts) const
	Returns a poly line along the points defined by angle. If maxAngleThr != -1, points are rejected if the cosine of their enclosing angle is smaller than maxAngleThr. e.g. maxAngleThr = 0 would allow polygon changes of up to 90°. More...

Protected Attributes
QVector< QSharedPointer< Pixel > >	mSet

Protected Attributes inherited from rdf::BaseElement
QString	mId

Detailed Description

PixelSet stores and manipulates pixel collections.

See also: BaseElement

Member Typedef Documentation

typedef Flags<mDrawFlags> rdf::PixelSet::DrawFlags

Member Enumeration Documentation

enum rdf::PixelSet::ConnectionMode

Enumerator
connect_Delaunay
connect_region
connect_end

enum rdf::PixelSet::mDrawFlags

Enumerator
draw_nothing
draw_pixels
draw_poly
draw_rect
draw_end

Constructor & Destructor Documentation

rdf::PixelSet::PixelSet ( )

rdf::PixelSet::PixelSet ( const QVector< QSharedPointer< Pixel > > & set )

Member Function Documentation

void rdf::PixelSet::add ( const QSharedPointer< Pixel > & pixel )

virtual

Reimplemented in rdf::TextLineSet.

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void rdf::PixelSet::append ( const QVector< QSharedPointer< Pixel > > & set )

virtual

Reimplemented in rdf::TextLineSet.

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double rdf::PixelSet::area ( ) const

Rect rdf::PixelSet::boundingBox ( ) const

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Vector2D rdf::PixelSet::center ( ) const

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QVector< Vector2D > rdf::PixelSet::centers ( ) const

QVector< QSharedPointer< PixelEdge > > rdf::PixelSet::connect	(	const QVector< QSharedPointer< Pixel > > &	superPixels,
		const ConnectionMode &	mode = `connect_Delaunay`
	)

static

This is a convenience function that connects SuperPixels. It is recommended to use the connector classes respectively.

Parameters

superPixels	The super pixels.
rect	The bounding rect.
mode	The connection mode.

Returns

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bool rdf::PixelSet::contains ( const QSharedPointer< Pixel > & pixel ) const

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Polygon rdf::PixelSet::convexHull ( ) const

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void rdf::PixelSet::draw	(	QPainter &	p,
		const DrawFlags &	options = `DrawFlags() \| draw_pixels \| draw_poly`,
		const Pixel::DrawFlags &	pixelOptions = `Pixel::DrawFlags() \| Pixel::draw_ellipse \| Pixel::draw_label_colors`
	)		const

virtual

Reimplemented in rdf::TextLineSet.

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void rdf::PixelSet::filterDuplicates ( int eps = 5 )

virtual

QSharedPointer< Pixel > rdf::PixelSet::find ( const QString & id ) const

Returns the pixel having the id specified. If no pixel with this ID exists, a null pointer is returned.

Parameters

id	The pixel id.

Returns

Ellipse rdf::PixelSet::fitEllipse ( ) const

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Line rdf::PixelSet::fitLine ( double offsetAngle = 0.0 ) const

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QVector< PixelSet > rdf::PixelSet::fromEdges ( const QVector< QSharedPointer< PixelEdge > > & edges )

static

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bool rdf::PixelSet::isEmpty ( ) const

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double rdf::PixelSet::lineSpacing ( double statMoment = 0.5 ) const

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Vector2D rdf::PixelSet::meanCenter ( ) const

PixelSet rdf::PixelSet::merge ( const QVector< PixelSet > & sets )

static

Merges multiple pixel sets to one set.

Parameters

sets The sets.

Returns

void rdf::PixelSet::operator+= ( const PixelSet & set )

void rdf::PixelSet::operator<< ( const QSharedPointer< Pixel > & pixel )

void rdf::PixelSet::operator<< ( const PixelSet & set )

QSharedPointer< Pixel > rdf::PixelSet::operator[] ( int idx ) const

double rdf::PixelSet::orientation ( double statMoment = 0.5 ) const

Computes the sets median orientation.

Parameters

statMoment if != 0.5 a quartile other than the median is computed.

Returns: The set's median orientation.

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QVector<QSharedPointer<Pixel> > rdf::PixelSet::pixels ( ) const

inline

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QVector< Vector2D > rdf::PixelSet::pointSet ( double offsetAngle = 0.0 ) const

Returns a point set. The points are sampled along the pixel's ellipses w.r.t the relative angle which is added to the text line orientation. If angle == DBL_MAX or pixel->stats() == NULL, the ellipse centers are sampled instead.

Parameters

offsetAngle The angle which is added to the pixel's local orientation.

Returns

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Polygon rdf::PixelSet::polygon ( const QVector< Vector2D > & pts ) const

protected

Returns a poly line along the points defined by angle. If maxAngleThr != -1, points are rejected if the cosine of their enclosing angle is smaller than maxAngleThr. e.g. maxAngleThr = 0 would allow polygon changes of up to 90°.

Parameters

angle	The angle for sampling the ellipses.
maxAngleThr	The maximum angle thresh.

Returns

Returns the convex hull of the PixelSet.

Returns

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void rdf::PixelSet::remove ( const QSharedPointer< Pixel > & pixel )

virtual

Reimplemented in rdf::TextLineSet.

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void rdf::PixelSet::scale ( double factor )

virtual

Reimplemented from rdf::BaseElement.

Reimplemented in rdf::TextLineSet.

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int rdf::PixelSet::size ( ) const

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QVector< PixelSet > rdf::PixelSet::splitScales ( ) const

QString rdf::PixelSet::toString ( ) const

overridevirtual

Reimplemented from rdf::BaseElement.

QSharedPointer< TextLine > rdf::PixelSet::toTextLine ( ) const

Member Data Documentation

QVector<QSharedPointer<Pixel> > rdf::PixelSet::mSet

protected

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

src/Core/PixelSet.h
src/Core/PixelSet.cpp

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation