#include <equationdetect.h>

Inheritance diagram for tesseract::EquationDetect:

Collaboration diagram for tesseract::EquationDetect:

[legend]

Public Types
enum	IndentType { NO_INDENT, LEFT_INDENT, RIGHT_INDENT, BOTH_INDENT, INDENT_TYPE_COUNT }

Public Member Functions
	EquationDetect (const char equ_datapath, const char equ_language)

	~EquationDetect ()

void	SetLangTesseract (Tesseract *lang_tesseract)

int	LabelSpecialText (TO_BLOCK *to_block)

int	FindEquationParts (ColPartitionGrid part_grid, ColPartitionSet *best_columns)

void	SetResolution (const int resolution)

Public Member Functions inherited from tesseract::EquationDetectBase
	EquationDetectBase ()=default

virtual	~EquationDetectBase ()

Protected Member Functions
void	IdentifySpecialText (BLOBNBOX *blob, const int height_th)

BlobSpecialTextType	EstimateTypeForUnichar (const UNICHARSET &unicharset, const UNICHAR_ID id) const

void	IdentifySpecialText ()

void	IdentifyBlobsToSkip (ColPartition *part)

void	MergePartsByLocation ()

void	SearchByOverlap (ColPartition seed, GenericVector< ColPartition > *parts_overlap)

void	InsertPartAfterAbsorb (ColPartition *part)

void	IdentifySeedParts ()

bool	CheckSeedBlobsCount (ColPartition *part)

float	ComputeForegroundDensity (const TBOX &tbox)

bool	CheckForSeed2 (const GenericVector< int > &indented_texts_left, const float foreground_density_th, ColPartition *part)

int	CountAlignment (const GenericVector< int > &sorted_vec, const int val) const

bool	CheckSeedFgDensity (const float density_th, ColPartition *part)

void	SplitCPHorLite (ColPartition part, GenericVector< TBOX > splitted_boxes)

void	SplitCPHor (ColPartition part, GenericVector< ColPartition > *parts_splitted)

bool	CheckSeedDensity (const float math_density_high, const float math_density_low, const ColPartition *part) const

IndentType	IsIndented (ColPartition *part)

void	IdentifyInlineParts ()

void	ComputeCPsSuperBBox ()

void	IdentifyInlinePartsHorizontal ()

int	EstimateTextPartLineSpacing ()

void	IdentifyInlinePartsVertical (const bool top_to_bottom, const int textPartsLineSpacing)

bool	IsInline (const bool search_bottom, const int textPartsLineSpacing, ColPartition *part)

bool	ExpandSeed (ColPartition *seed)

void	ExpandSeedHorizontal (const bool search_left, ColPartition seed, GenericVector< ColPartition > *parts_to_merge)

void	ExpandSeedVertical (const bool search_bottom, ColPartition seed, GenericVector< ColPartition > *parts_to_merge)

bool	IsNearSmallNeighbor (const TBOX &seed_box, const TBOX &part_box) const

bool	CheckSeedNeighborDensity (const ColPartition *part) const

void	ProcessMathBlockSatelliteParts ()

bool	IsMathBlockSatellite (ColPartition part, GenericVector< ColPartition > *math_blocks)

ColPartition *	SearchNNVertical (const bool search_bottom, const ColPartition *part)

bool	IsNearMathNeighbor (const int y_gap, const ColPartition *neighbor) const

void	GetOutputTiffName (const char name, STRING image_name) const

void	PaintColParts (const STRING &outfile) const

void	PaintSpecialTexts (const STRING &outfile) const

void	PrintSpecialBlobsDensity (const ColPartition *part) const

Protected Attributes
Tesseract	equ_tesseract_

Tesseract *	lang_tesseract_

ColPartitionGrid *	part_grid_

ColPartitionSet **	best_columns_

TBOX *	cps_super_bbox_

GenericVector< ColPartition * >	cp_seeds_

int	resolution_

int	page_count_

Additional Inherited Members
Static Public Member Functions inherited from tesseract::EquationDetectBase
static void	RenderSpecialText (Pix pix, BLOBNBOX blob)

Member Enumeration Documentation

◆ IndentType

enum tesseract::EquationDetect::IndentType

Enumerator
NO_INDENT
LEFT_INDENT
RIGHT_INDENT
BOTH_INDENT
INDENT_TYPE_COUNT

Constructor & Destructor Documentation

◆ EquationDetect()

tesseract::EquationDetect::EquationDetect	(	const char *	equ_datapath,
		const char *	equ_language
	)

◆ ~EquationDetect()

tesseract::EquationDetect::~EquationDetect ( )

Member Function Documentation

◆ CheckForSeed2()

bool tesseract::EquationDetect::CheckForSeed2	(	const GenericVector< int > &	indented_texts_left,
		const float	foreground_density_th,
		ColPartition *	part
	)

protected

◆ CheckSeedBlobsCount()

bool tesseract::EquationDetect::CheckSeedBlobsCount ( ColPartition * part )

protected

◆ CheckSeedDensity()

bool tesseract::EquationDetect::CheckSeedDensity	(	const float	math_density_high,
		const float	math_density_low,
		const ColPartition *	part
	)		const

protected

◆ CheckSeedFgDensity()

bool tesseract::EquationDetect::CheckSeedFgDensity	(	const float	density_th,
		ColPartition *	part
	)

protected

◆ CheckSeedNeighborDensity()

bool tesseract::EquationDetect::CheckSeedNeighborDensity ( const ColPartition * part ) const

protected

◆ ComputeCPsSuperBBox()

void tesseract::EquationDetect::ComputeCPsSuperBBox ( )

protected

◆ ComputeForegroundDensity()

float tesseract::EquationDetect::ComputeForegroundDensity ( const TBOX & tbox )

protected

◆ CountAlignment()

int tesseract::EquationDetect::CountAlignment	(	const GenericVector< int > &	sorted_vec,
		const int	val
	)		const

protected

◆ EstimateTextPartLineSpacing()

int tesseract::EquationDetect::EstimateTextPartLineSpacing ( )

protected

◆ EstimateTypeForUnichar()

BlobSpecialTextType tesseract::EquationDetect::EstimateTypeForUnichar	(	const UNICHARSET &	unicharset,
		const UNICHAR_ID	id
	)		const

protected

◆ ExpandSeed()

bool tesseract::EquationDetect::ExpandSeed ( ColPartition * seed )

protected

◆ ExpandSeedHorizontal()

void tesseract::EquationDetect::ExpandSeedHorizontal	(	const bool	search_left,
		ColPartition *	seed,
		GenericVector< ColPartition >	parts_to_merge
	)

protected

◆ ExpandSeedVertical()

void tesseract::EquationDetect::ExpandSeedVertical	(	const bool	search_bottom,
		ColPartition *	seed,
		GenericVector< ColPartition >	parts_to_merge
	)

protected

◆ FindEquationParts()

int tesseract::EquationDetect::FindEquationParts	(	ColPartitionGrid *	part_grid,
		ColPartitionSet **	best_columns
	)

virtual

Implements tesseract::EquationDetectBase.

◆ GetOutputTiffName()

void tesseract::EquationDetect::GetOutputTiffName	(	const char *	name,
		STRING *	image_name
	)		const

protected

◆ IdentifyBlobsToSkip()

void tesseract::EquationDetect::IdentifyBlobsToSkip ( ColPartition * part )

protected

◆ IdentifyInlineParts()

void tesseract::EquationDetect::IdentifyInlineParts ( )

protected

◆ IdentifyInlinePartsHorizontal()

void tesseract::EquationDetect::IdentifyInlinePartsHorizontal ( )

protected

◆ IdentifyInlinePartsVertical()

void tesseract::EquationDetect::IdentifyInlinePartsVertical	(	const bool	top_to_bottom,
		const int	textPartsLineSpacing
	)

protected

◆ IdentifySeedParts()

void tesseract::EquationDetect::IdentifySeedParts ( )

protected

◆ IdentifySpecialText() [1/2]

void tesseract::EquationDetect::IdentifySpecialText	(	BLOBNBOX *	blob,
		const int	height_th
	)

protected

◆ IdentifySpecialText() [2/2]

void tesseract::EquationDetect::IdentifySpecialText ( )

protected

◆ InsertPartAfterAbsorb()

void tesseract::EquationDetect::InsertPartAfterAbsorb ( ColPartition * part )

protected

◆ IsIndented()

EquationDetect::IndentType tesseract::EquationDetect::IsIndented ( ColPartition * part )

protected

◆ IsInline()

bool tesseract::EquationDetect::IsInline	(	const bool	search_bottom,
		const int	textPartsLineSpacing,
		ColPartition *	part
	)

protected

◆ IsMathBlockSatellite()

bool tesseract::EquationDetect::IsMathBlockSatellite	(	ColPartition *	part,
		GenericVector< ColPartition >	math_blocks
	)

protected

◆ IsNearMathNeighbor()

bool tesseract::EquationDetect::IsNearMathNeighbor	(	const int	y_gap,
		const ColPartition *	neighbor
	)		const

protected

◆ IsNearSmallNeighbor()

bool tesseract::EquationDetect::IsNearSmallNeighbor	(	const TBOX &	seed_box,
		const TBOX &	part_box
	)		const

protected

◆ LabelSpecialText()

int tesseract::EquationDetect::LabelSpecialText ( TO_BLOCK * to_block )

virtual

Implements tesseract::EquationDetectBase.

◆ MergePartsByLocation()

void tesseract::EquationDetect::MergePartsByLocation ( )

protected

◆ PaintColParts()

void tesseract::EquationDetect::PaintColParts ( const STRING & outfile ) const

protected

◆ PaintSpecialTexts()

void tesseract::EquationDetect::PaintSpecialTexts ( const STRING & outfile ) const

protected

◆ PrintSpecialBlobsDensity()

void tesseract::EquationDetect::PrintSpecialBlobsDensity ( const ColPartition * part ) const

protected

◆ ProcessMathBlockSatelliteParts()

void tesseract::EquationDetect::ProcessMathBlockSatelliteParts ( )

protected

◆ SearchByOverlap()

void tesseract::EquationDetect::SearchByOverlap	(	ColPartition *	seed,
		GenericVector< ColPartition >	parts_overlap
	)

protected

◆ SearchNNVertical()

ColPartition * tesseract::EquationDetect::SearchNNVertical	(	const bool	search_bottom,
		const ColPartition *	part
	)

protected

◆ SetLangTesseract()

void tesseract::EquationDetect::SetLangTesseract ( Tesseract * lang_tesseract )

◆ SetResolution()

void tesseract::EquationDetect::SetResolution ( const int resolution )

◆ SplitCPHor()

void tesseract::EquationDetect::SplitCPHor	(	ColPartition *	part,
		GenericVector< ColPartition >	parts_splitted
	)

protected

◆ SplitCPHorLite()

void tesseract::EquationDetect::SplitCPHorLite	(	ColPartition *	part,
		GenericVector< TBOX > *	splitted_boxes
	)

protected

Member Data Documentation

◆ best_columns_

ColPartitionSet** tesseract::EquationDetect::best_columns_

protected

◆ cp_seeds_

GenericVector<ColPartition*> tesseract::EquationDetect::cp_seeds_

protected

◆ cps_super_bbox_

TBOX* tesseract::EquationDetect::cps_super_bbox_

protected

◆ equ_tesseract_

Tesseract tesseract::EquationDetect::equ_tesseract_

protected

◆ lang_tesseract_

Tesseract* tesseract::EquationDetect::lang_tesseract_

protected

◆ page_count_

int tesseract::EquationDetect::page_count_

protected

◆ part_grid_

ColPartitionGrid* tesseract::EquationDetect::part_grid_

protected

◆ resolution_

int tesseract::EquationDetect::resolution_

protected

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

/home/stephane/src/tesseract/src/ccmain/equationdetect.h
/home/stephane/src/tesseract/src/ccmain/equationdetect.cpp

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Member Enumeration Documentation

◆ IndentType

Constructor & Destructor Documentation

◆ EquationDetect()

◆ ~EquationDetect()

Member Function Documentation

◆ CheckForSeed2()

◆ CheckSeedBlobsCount()

◆ CheckSeedDensity()

◆ CheckSeedFgDensity()

◆ CheckSeedNeighborDensity()

◆ ComputeCPsSuperBBox()

◆ ComputeForegroundDensity()

◆ CountAlignment()

◆ EstimateTextPartLineSpacing()

◆ EstimateTypeForUnichar()

◆ ExpandSeed()

◆ ExpandSeedHorizontal()

◆ ExpandSeedVertical()

◆ FindEquationParts()

◆ GetOutputTiffName()

◆ IdentifyBlobsToSkip()

◆ IdentifyInlineParts()

◆ IdentifyInlinePartsHorizontal()

◆ IdentifyInlinePartsVertical()

◆ IdentifySeedParts()

◆ IdentifySpecialText() [1/2]

◆ IdentifySpecialText() [2/2]

◆ InsertPartAfterAbsorb()

◆ IsIndented()

◆ IsInline()

◆ IsMathBlockSatellite()

◆ IsNearMathNeighbor()

◆ IsNearSmallNeighbor()

◆ LabelSpecialText()

◆ MergePartsByLocation()

◆ PaintColParts()

◆ PaintSpecialTexts()

◆ PrintSpecialBlobsDensity()

◆ ProcessMathBlockSatelliteParts()

◆ SearchByOverlap()

◆ SearchNNVertical()

◆ SetLangTesseract()

◆ SetResolution()

◆ SplitCPHor()

◆ SplitCPHorLite()

Member Data Documentation

◆ best_columns_

◆ cp_seeds_

◆ cps_super_bbox_

◆ equ_tesseract_

◆ lang_tesseract_

◆ page_count_

◆ part_grid_

◆ resolution_