#include <textord.h>

Collaboration diagram for tesseract::Textord:

[legend]

Public Member Functions
	Textord (CCStruct *ccstruct)

	~Textord ()=default

void	TextordPage (PageSegMode pageseg_mode, const FCOORD &reskew, int width, int height, Pix binary_pix, Pix thresholds_pix, Pix grey_pix, bool use_box_bottoms, BLOBNBOX_LIST diacritic_blobs, BLOCK_LIST blocks, TO_BLOCK_LIST to_blocks)

void	CleanupSingleRowResult (PageSegMode pageseg_mode, PAGE_RES *page_res)

bool	use_cjk_fp_model () const

void	set_use_cjk_fp_model (bool flag)

void	to_spacing (ICOORD page_tr, TO_BLOCK_LIST *blocks)

ROW *	make_prop_words (TO_ROW *row, FCOORD rotation)

ROW *	make_blob_words (TO_ROW *row, FCOORD rotation)

void	find_components (Pix pix, BLOCK_LIST blocks, TO_BLOCK_LIST *to_blocks)

void	filter_blobs (ICOORD page_tr, TO_BLOCK_LIST *blocks, bool testing_on)

void	compute_block_xheight (TO_BLOCK *block, float gradient)

void	make_spline_rows (TO_BLOCK *block, float gradient, bool testing_on)

	BOOL_VAR_H (textord_single_height_mode, false, "Script has no xheight, so use a single mode for horizontal text")

	BOOL_VAR_H (tosp_old_to_method, false, "Space stats use prechopping?")

	BOOL_VAR_H (tosp_old_to_constrain_sp_kn, false, "Constrain relative values of inter and intra-word gaps for " "old_to_method.")

	BOOL_VAR_H (tosp_only_use_prop_rows, true, "Block stats to use fixed pitch rows?")

	BOOL_VAR_H (tosp_force_wordbreak_on_punct, false, "Force word breaks on punct to break long lines in non-space " "delimited langs")

	BOOL_VAR_H (tosp_use_pre_chopping, false, "Space stats use prechopping?")

	BOOL_VAR_H (tosp_old_to_bug_fix, false, "Fix suspected bug in old code")

	BOOL_VAR_H (tosp_block_use_cert_spaces, true, "Only stat OBVIOUS spaces")

	BOOL_VAR_H (tosp_row_use_cert_spaces, true, "Only stat OBVIOUS spaces")

	BOOL_VAR_H (tosp_narrow_blobs_not_cert, true, "Only stat OBVIOUS spaces")

	BOOL_VAR_H (tosp_row_use_cert_spaces1, true, "Only stat OBVIOUS spaces")

	BOOL_VAR_H (tosp_recovery_isolated_row_stats, true, "Use row alone when inadequate cert spaces")

	BOOL_VAR_H (tosp_only_small_gaps_for_kern, false, "Better guess")

	BOOL_VAR_H (tosp_all_flips_fuzzy, false, "Pass ANY flip to context?")

	BOOL_VAR_H (tosp_fuzzy_limit_all, true, "Don't restrict kn->sp fuzzy limit to tables")

	BOOL_VAR_H (tosp_stats_use_xht_gaps, true, "Use within xht gap for wd breaks")

	BOOL_VAR_H (tosp_use_xht_gaps, true, "Use within xht gap for wd breaks")

	BOOL_VAR_H (tosp_only_use_xht_gaps, false, "Only use within xht gap for wd breaks")

	BOOL_VAR_H (tosp_rule_9_test_punct, false, "Don't chng kn to space next to punct")

	BOOL_VAR_H (tosp_flip_fuzz_kn_to_sp, true, "Default flip")

	BOOL_VAR_H (tosp_flip_fuzz_sp_to_kn, true, "Default flip")

	BOOL_VAR_H (tosp_improve_thresh, false, "Enable improvement heuristic")

	INT_VAR_H (tosp_debug_level, 0, "Debug data")

	INT_VAR_H (tosp_enough_space_samples_for_median, 3, "or should we use mean")

	INT_VAR_H (tosp_redo_kern_limit, 10, "No.samples reqd to reestimate for row")

	INT_VAR_H (tosp_few_samples, 40, "No.gaps reqd with 1 large gap to treat as a table")

	INT_VAR_H (tosp_short_row, 20, "No.gaps reqd with few cert spaces to use certs")

	INT_VAR_H (tosp_sanity_method, 1, "How to avoid being silly")

	double_VAR_H (tosp_old_sp_kn_th_factor, 2.0, "Factor for defining space threshold in terms of space and " "kern sizes")

	double_VAR_H (tosp_threshold_bias1, 0, "how far between kern and space?")

	double_VAR_H (tosp_threshold_bias2, 0, "how far between kern and space?")

	double_VAR_H (tosp_narrow_fraction, 0.3, "Fract of xheight for narrow")

	double_VAR_H (tosp_narrow_aspect_ratio, 0.48, "narrow if w/h less than this")

	double_VAR_H (tosp_wide_fraction, 0.52, "Fract of xheight for wide")

	double_VAR_H (tosp_wide_aspect_ratio, 0.0, "wide if w/h less than this")

	double_VAR_H (tosp_fuzzy_space_factor, 0.6, "Fract of xheight for fuzz sp")

	double_VAR_H (tosp_fuzzy_space_factor1, 0.5, "Fract of xheight for fuzz sp")

	double_VAR_H (tosp_fuzzy_space_factor2, 0.72, "Fract of xheight for fuzz sp")

	double_VAR_H (tosp_gap_factor, 0.83, "gap ratio to flip sp->kern")

	double_VAR_H (tosp_kern_gap_factor1, 2.0, "gap ratio to flip kern->sp")

	double_VAR_H (tosp_kern_gap_factor2, 1.3, "gap ratio to flip kern->sp")

	double_VAR_H (tosp_kern_gap_factor3, 2.5, "gap ratio to flip kern->sp")

	double_VAR_H (tosp_ignore_big_gaps, -1, "xht multiplier")

	double_VAR_H (tosp_ignore_very_big_gaps, 3.5, "xht multiplier")

	double_VAR_H (tosp_rep_space, 1.6, "rep gap multiplier for space")

	double_VAR_H (tosp_enough_small_gaps, 0.65, "Fract of kerns reqd for isolated row stats")

	double_VAR_H (tosp_table_kn_sp_ratio, 2.25, "Min difference of kn & sp in table")

	double_VAR_H (tosp_table_xht_sp_ratio, 0.33, "Expect spaces bigger than this")

	double_VAR_H (tosp_table_fuzzy_kn_sp_ratio, 3.0, "Fuzzy if less than this")

	double_VAR_H (tosp_fuzzy_kn_fraction, 0.5, "New fuzzy kn alg")

	double_VAR_H (tosp_fuzzy_sp_fraction, 0.5, "New fuzzy sp alg")

	double_VAR_H (tosp_min_sane_kn_sp, 1.5, "Don't trust spaces less than this time kn")

	double_VAR_H (tosp_init_guess_kn_mult, 2.2, "Thresh guess - mult kn by this")

	double_VAR_H (tosp_init_guess_xht_mult, 0.28, "Thresh guess - mult xht by this")

	double_VAR_H (tosp_max_sane_kn_thresh, 5.0, "Multiplier on kn to limit thresh")

	double_VAR_H (tosp_flip_caution, 0.0, "Don't autoflip kn to sp when large separation")

	double_VAR_H (tosp_large_kerning, 0.19, "Limit use of xht gap with large kns")

	double_VAR_H (tosp_dont_fool_with_small_kerns, -1, "Limit use of xht gap with odd small kns")

	double_VAR_H (tosp_near_lh_edge, 0, "Don't reduce box if the top left is non blank")

	double_VAR_H (tosp_silly_kn_sp_gap, 0.2, "Don't let sp minus kn get too small")

	double_VAR_H (tosp_pass_wide_fuzz_sp_to_context, 0.75, "How wide fuzzies need context")

	BOOL_VAR_H (textord_no_rejects, false, "Don't remove noise blobs")

	BOOL_VAR_H (textord_show_blobs, false, "Display unsorted blobs")

	BOOL_VAR_H (textord_show_boxes, false, "Display boxes")

	INT_VAR_H (textord_max_noise_size, 7, "Pixel size of noise")

	INT_VAR_H (textord_baseline_debug, 0, "Baseline debug level")

	double_VAR_H (textord_blob_size_bigile, 95, "Percentile for large blobs")

	double_VAR_H (textord_noise_area_ratio, 0.7, "Fraction of bounding box for noise")

	double_VAR_H (textord_blob_size_smallile, 20, "Percentile for small blobs")

	double_VAR_H (textord_initialx_ile, 0.75, "Ile of sizes for xheight guess")

	double_VAR_H (textord_initialasc_ile, 0.90, "Ile of sizes for xheight guess")

	INT_VAR_H (textord_noise_sizefraction, 10, "Fraction of size for maxima")

	double_VAR_H (textord_noise_sizelimit, 0.5, "Fraction of x for big t count")

	INT_VAR_H (textord_noise_translimit, 16, "Transitions for normal blob")

	double_VAR_H (textord_noise_normratio, 2.0, "Dot to norm ratio for deletion")

	BOOL_VAR_H (textord_noise_rejwords, true, "Reject noise-like words")

	BOOL_VAR_H (textord_noise_rejrows, true, "Reject noise-like rows")

	double_VAR_H (textord_noise_syfract, 0.2, "xh fract error for norm blobs")

	double_VAR_H (textord_noise_sxfract, 0.4, "xh fract width error for norm blobs")

	double_VAR_H (textord_noise_hfract, 1.0/64, "Height fraction to discard outlines as speckle noise")

	INT_VAR_H (textord_noise_sncount, 1, "super norm blobs to save row")

	double_VAR_H (textord_noise_rowratio, 6.0, "Dot to norm ratio for deletion")

	BOOL_VAR_H (textord_noise_debug, FALSE, "Debug row garbage detector")

	double_VAR_H (textord_blshift_maxshift, 0.00, "Max baseline shift")

	double_VAR_H (textord_blshift_xfraction, 9.99, "Min size of baseline shift")

compute_row_xheight
Estimate the xheight of this row. Compute the ascender rise and descender drop at the same time. Set xheigh_evidence to the number of blobs with the chosen xheight that appear in this row.
void	compute_row_xheight (TO_ROW *row, const FCOORD &rotation, float gradient, int block_line_size)

Private Member Functions
void	MakeRows (PageSegMode pageseg_mode, const FCOORD &skew, int width, int height, TO_BLOCK_LIST *to_blocks)

void	MakeBlockRows (int min_spacing, int max_spacing, const FCOORD &skew, TO_BLOCK block, ScrollView win)

void	make_old_baselines (TO_BLOCK *block, bool testing_on, float gradient)

void	correlate_lines (TO_BLOCK *block, float gradient)

void	correlate_neighbours (TO_BLOCK block, TO_ROW *rows, int rowcount)

int	correlate_with_stats (TO_ROW *rows, int rowcount, TO_BLOCK block)

void	find_textlines (TO_BLOCK block, TO_ROW row, int degree, QSPLINE *spline)

void	block_spacing_stats (TO_BLOCK block, GAPMAP gapmap, bool &old_text_ord_proportional, int16_t &block_space_gap_width, int16_t &block_non_space_gap_width)

void	row_spacing_stats (TO_ROW row, GAPMAP gapmap, int16_t block_idx, int16_t row_idx, int16_t block_space_gap_width, int16_t block_non_space_gap_width)

void	old_to_method (TO_ROW row, STATS all_gap_stats, STATS space_gap_stats, STATS small_gap_stats, int16_t block_space_gap_width, int16_t block_non_space_gap_width)

bool	isolated_row_stats (TO_ROW row, GAPMAP gapmap, STATS *all_gap_stats, bool suspected_table, int16_t block_idx, int16_t row_idx)

int16_t	stats_count_under (STATS *stats, int16_t threshold)

void	improve_row_threshold (TO_ROW row, STATS all_gap_stats)

bool	make_a_word_break (TO_ROW *row, TBOX blob_box, int16_t prev_gap, TBOX prev_blob_box, int16_t real_current_gap, int16_t within_xht_current_gap, TBOX next_blob_box, int16_t next_gap, uint8_t &blanks, bool &fuzzy_sp, bool &fuzzy_non, bool &prev_gap_was_a_space, bool &break_at_next_gap)

bool	narrow_blob (TO_ROW *row, TBOX blob_box)

bool	wide_blob (TO_ROW *row, TBOX blob_box)

bool	suspected_punct_blob (TO_ROW *row, TBOX box)

void	peek_at_next_gap (TO_ROW *row, BLOBNBOX_IT box_it, TBOX &next_blob_box, int16_t &next_gap, int16_t &next_within_xht_gap)

void	mark_gap (TBOX blob, int16_t rule, int16_t prev_gap, int16_t prev_blob_width, int16_t current_gap, int16_t next_blob_width, int16_t next_gap)

float	find_mean_blob_spacing (WERD *word)

bool	ignore_big_gap (TO_ROW row, int32_t row_length, GAPMAP gapmap, int16_t left, int16_t right)

TBOX	reduced_box_next (TO_ROW row, BLOBNBOX_IT it)

TBOX	reduced_box_for_blob (BLOBNBOX blob, TO_ROW row, int16_t *left_above_xht)

float	filter_noise_blobs (BLOBNBOX_LIST src_list, BLOBNBOX_LIST noise_list, BLOBNBOX_LIST small_list, BLOBNBOX_LIST large_list)

void	cleanup_nontext_block (BLOCK *block)

void	cleanup_blocks (bool clean_noise, BLOCK_LIST *blocks)

bool	clean_noise_from_row (ROW *row)

void	clean_noise_from_words (ROW *row)

void	clean_small_noise_from_words (ROW *row)

void	TransferDiacriticsToBlockGroups (BLOBNBOX_LIST diacritic_blobs, BLOCK_LIST blocks)

void	TransferDiacriticsToWords (BLOBNBOX_LIST diacritic_blobs, const FCOORD &rotation, WordGrid word_grid)

Private Attributes
CCStruct *	ccstruct_

ICOORD	page_tr_

bool	use_cjk_fp_model_

Constructor & Destructor Documentation

◆ Textord()

tesseract::Textord::Textord ( CCStruct * ccstruct )

explicit

◆ ~Textord()

tesseract::Textord::~Textord ( )

default

Member Function Documentation

◆ block_spacing_stats()

void tesseract::Textord::block_spacing_stats	(	TO_BLOCK *	block,
		GAPMAP *	gapmap,
		bool &	old_text_ord_proportional,
		int16_t &	block_space_gap_width,
		int16_t &	block_non_space_gap_width
	)

private

◆ BOOL_VAR_H() [1/28]

tesseract::Textord::BOOL_VAR_H	(	textord_single_height_mode	,
		false	,
		"Script has no	xheight,
		so use a single mode for horizontal text"
	)

◆ BOOL_VAR_H() [2/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_old_to_method	,
		false	,
		"Space stats use prechopping?"
	)

◆ BOOL_VAR_H() [3/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_old_to_constrain_sp_kn	,
		false	,
		"Constrain relative values of inter and intra-word gaps for " "old_to_method."
	)

◆ BOOL_VAR_H() [4/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_only_use_prop_rows	,
		true	,
		"Block stats to use fixed pitch rows?"
	)

◆ BOOL_VAR_H() [5/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_force_wordbreak_on_punct	,
		false	,
		"Force word breaks on punct to break long lines in non-space " "delimited langs"
	)

◆ BOOL_VAR_H() [6/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_use_pre_chopping	,
		false	,
		"Space stats use prechopping?"
	)

◆ BOOL_VAR_H() [7/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_old_to_bug_fix	,
		false	,
		"Fix suspected bug in old code"
	)

◆ BOOL_VAR_H() [8/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_block_use_cert_spaces	,
		true	,
		"Only stat OBVIOUS spaces"
	)

◆ BOOL_VAR_H() [9/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_row_use_cert_spaces	,
		true	,
		"Only stat OBVIOUS spaces"
	)

◆ BOOL_VAR_H() [10/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_narrow_blobs_not_cert	,
		true	,
		"Only stat OBVIOUS spaces"
	)

◆ BOOL_VAR_H() [11/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_row_use_cert_spaces1	,
		true	,
		"Only stat OBVIOUS spaces"
	)

◆ BOOL_VAR_H() [12/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_recovery_isolated_row_stats	,
		true	,
		"Use row alone when inadequate cert spaces"
	)

◆ BOOL_VAR_H() [13/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_only_small_gaps_for_kern	,
		false	,
		"Better guess"
	)

◆ BOOL_VAR_H() [14/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_all_flips_fuzzy	,
		false	,
		"Pass ANY flip to context?"
	)

◆ BOOL_VAR_H() [15/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_fuzzy_limit_all	,
		true	,
		"Don't restrict kn->sp fuzzy limit to tables"
	)

◆ BOOL_VAR_H() [16/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_stats_use_xht_gaps	,
		true	,
		"Use within xht gap for wd breaks"
	)

◆ BOOL_VAR_H() [17/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_use_xht_gaps	,
		true	,
		"Use within xht gap for wd breaks"
	)

◆ BOOL_VAR_H() [18/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_only_use_xht_gaps	,
		false	,
		"Only use within xht gap for wd breaks"
	)

◆ BOOL_VAR_H() [19/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_rule_9_test_punct	,
		false	,
		"Don't chng kn to space next to punct"
	)

◆ BOOL_VAR_H() [20/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_flip_fuzz_kn_to_sp	,
		true	,
		"Default flip"
	)

◆ BOOL_VAR_H() [21/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_flip_fuzz_sp_to_kn	,
		true	,
		"Default flip"
	)

◆ BOOL_VAR_H() [22/28]

tesseract::Textord::BOOL_VAR_H	(	tosp_improve_thresh	,
		false	,
		"Enable improvement heuristic"
	)

◆ BOOL_VAR_H() [23/28]

tesseract::Textord::BOOL_VAR_H	(	textord_no_rejects	,
		false	,
		"Don't remove noise blobs"
	)

◆ BOOL_VAR_H() [24/28]

tesseract::Textord::BOOL_VAR_H	(	textord_show_blobs	,
		false	,
		"Display unsorted blobs"
	)

◆ BOOL_VAR_H() [25/28]

tesseract::Textord::BOOL_VAR_H	(	textord_show_boxes	,
		false	,
		"Display boxes"
	)

◆ BOOL_VAR_H() [26/28]

tesseract::Textord::BOOL_VAR_H	(	textord_noise_rejwords	,
		true	,
		"Reject noise-like words"
	)

◆ BOOL_VAR_H() [27/28]

tesseract::Textord::BOOL_VAR_H	(	textord_noise_rejrows	,
		true	,
		"Reject noise-like rows"
	)

◆ BOOL_VAR_H() [28/28]

tesseract::Textord::BOOL_VAR_H	(	textord_noise_debug	,
		FALSE	,
		"Debug row garbage detector"
	)

◆ clean_noise_from_row()

bool tesseract::Textord::clean_noise_from_row ( ROW * row )

private

◆ clean_noise_from_words()

void tesseract::Textord::clean_noise_from_words ( ROW * row )

private

◆ clean_small_noise_from_words()

void tesseract::Textord::clean_small_noise_from_words ( ROW * row )

private

◆ cleanup_blocks()

void tesseract::Textord::cleanup_blocks	(	bool	clean_noise,
		BLOCK_LIST *	blocks
	)

private

◆ cleanup_nontext_block()

void tesseract::Textord::cleanup_nontext_block ( BLOCK * block )

private

◆ CleanupSingleRowResult()

void tesseract::Textord::CleanupSingleRowResult	(	PageSegMode	pageseg_mode,
		PAGE_RES *	page_res
	)

◆ compute_block_xheight()

void tesseract::Textord::compute_block_xheight	(	TO_BLOCK *	block,
		float	gradient
	)

◆ compute_row_xheight()

void tesseract::Textord::compute_row_xheight	(	TO_ROW *	row,
		const FCOORD &	rotation,
		float	gradient,
		int	block_line_size
	)

◆ correlate_lines()

void tesseract::Textord::correlate_lines	(	TO_BLOCK *	block,
		float	gradient
	)

private

◆ correlate_neighbours()

void tesseract::Textord::correlate_neighbours	(	TO_BLOCK *	block,
		TO_ROW **	rows,
		int	rowcount
	)

private

◆ correlate_with_stats()

int tesseract::Textord::correlate_with_stats	(	TO_ROW **	rows,
		int	rowcount,
		TO_BLOCK *	block
	)

private

◆ double_VAR_H() [1/46]

tesseract::Textord::double_VAR_H	(	tosp_old_sp_kn_th_factor	,
		2.	0,
		"Factor for defining space threshold in terms of space and " "kern sizes"
	)

◆ double_VAR_H() [2/46]

tesseract::Textord::double_VAR_H	(	tosp_threshold_bias1	,
		0	,
		"how far between kern and space?"
	)

◆ double_VAR_H() [3/46]

tesseract::Textord::double_VAR_H	(	tosp_threshold_bias2	,
		0	,
		"how far between kern and space?"
	)

◆ double_VAR_H() [4/46]

tesseract::Textord::double_VAR_H	(	tosp_narrow_fraction	,
		0.	3,
		"Fract of xheight for narrow"
	)

◆ double_VAR_H() [5/46]

tesseract::Textord::double_VAR_H	(	tosp_narrow_aspect_ratio	,
		0.	48,
		"narrow if w/h less than this"
	)

◆ double_VAR_H() [6/46]

tesseract::Textord::double_VAR_H	(	tosp_wide_fraction	,
		0.	52,
		"Fract of xheight for wide"
	)

◆ double_VAR_H() [7/46]

tesseract::Textord::double_VAR_H	(	tosp_wide_aspect_ratio	,
		0.	0,
		"wide if w/h less than this"
	)

◆ double_VAR_H() [8/46]

tesseract::Textord::double_VAR_H	(	tosp_fuzzy_space_factor	,
		0.	6,
		"Fract of xheight for fuzz sp"
	)

◆ double_VAR_H() [9/46]

tesseract::Textord::double_VAR_H	(	tosp_fuzzy_space_factor1	,
		0.	5,
		"Fract of xheight for fuzz sp"
	)

◆ double_VAR_H() [10/46]

tesseract::Textord::double_VAR_H	(	tosp_fuzzy_space_factor2	,
		0.	72,
		"Fract of xheight for fuzz sp"
	)

◆ double_VAR_H() [11/46]

tesseract::Textord::double_VAR_H	(	tosp_gap_factor	,
		0.	83,
		"gap ratio to flip sp->kern"
	)

◆ double_VAR_H() [12/46]

tesseract::Textord::double_VAR_H	(	tosp_kern_gap_factor1	,
		2.	0,
		"gap ratio to flip kern->sp"
	)

◆ double_VAR_H() [13/46]

tesseract::Textord::double_VAR_H	(	tosp_kern_gap_factor2	,
		1.	3,
		"gap ratio to flip kern->sp"
	)

◆ double_VAR_H() [14/46]

tesseract::Textord::double_VAR_H	(	tosp_kern_gap_factor3	,
		2.	5,
		"gap ratio to flip kern->sp"
	)

◆ double_VAR_H() [15/46]

tesseract::Textord::double_VAR_H	(	tosp_ignore_big_gaps	,
		-	1,
		"xht multiplier"
	)

◆ double_VAR_H() [16/46]

tesseract::Textord::double_VAR_H	(	tosp_ignore_very_big_gaps	,
		3.	5,
		"xht multiplier"
	)

◆ double_VAR_H() [17/46]

tesseract::Textord::double_VAR_H	(	tosp_rep_space	,
		1.	6,
		"rep gap multiplier for space"
	)

◆ double_VAR_H() [18/46]

tesseract::Textord::double_VAR_H	(	tosp_enough_small_gaps	,
		0.	65,
		"Fract of kerns reqd for isolated row stats"
	)

◆ double_VAR_H() [19/46]

tesseract::Textord::double_VAR_H	(	tosp_table_kn_sp_ratio	,
		2.	25,
		"Min difference of kn & sp in table"
	)

◆ double_VAR_H() [20/46]

tesseract::Textord::double_VAR_H	(	tosp_table_xht_sp_ratio	,
		0.	33,
		"Expect spaces bigger than this"
	)

◆ double_VAR_H() [21/46]

tesseract::Textord::double_VAR_H	(	tosp_table_fuzzy_kn_sp_ratio	,
		3.	0,
		"Fuzzy if less than this"
	)

◆ double_VAR_H() [22/46]

tesseract::Textord::double_VAR_H	(	tosp_fuzzy_kn_fraction	,
		0.	5,
		"New fuzzy kn alg"
	)

◆ double_VAR_H() [23/46]

tesseract::Textord::double_VAR_H	(	tosp_fuzzy_sp_fraction	,
		0.	5,
		"New fuzzy sp alg"
	)

◆ double_VAR_H() [24/46]

tesseract::Textord::double_VAR_H	(	tosp_min_sane_kn_sp	,
		1.	5,
		"Don't trust spaces less than this time kn"
	)

◆ double_VAR_H() [25/46]

tesseract::Textord::double_VAR_H	(	tosp_init_guess_kn_mult	,
		2.	2,
		"Thresh guess - mult kn by this"
	)

◆ double_VAR_H() [26/46]

tesseract::Textord::double_VAR_H	(	tosp_init_guess_xht_mult	,
		0.	28,
		"Thresh guess - mult xht by this"
	)

◆ double_VAR_H() [27/46]

tesseract::Textord::double_VAR_H	(	tosp_max_sane_kn_thresh	,
		5.	0,
		"Multiplier on kn to limit thresh"
	)

◆ double_VAR_H() [28/46]

tesseract::Textord::double_VAR_H	(	tosp_flip_caution	,
		0.	0,
		"Don't autoflip kn to sp when large separation"
	)

◆ double_VAR_H() [29/46]

tesseract::Textord::double_VAR_H	(	tosp_large_kerning	,
		0.	19,
		"Limit use of xht gap with large kns"
	)

◆ double_VAR_H() [30/46]

tesseract::Textord::double_VAR_H	(	tosp_dont_fool_with_small_kerns	,
		-	1,
		"Limit use of xht gap with odd small kns"
	)

◆ double_VAR_H() [31/46]

tesseract::Textord::double_VAR_H	(	tosp_near_lh_edge	,
		0	,
		"Don't reduce box if the top left is non blank"
	)

◆ double_VAR_H() [32/46]

tesseract::Textord::double_VAR_H	(	tosp_silly_kn_sp_gap	,
		0.	2,
		"Don't let sp minus kn get too small"
	)

◆ double_VAR_H() [33/46]

tesseract::Textord::double_VAR_H	(	tosp_pass_wide_fuzz_sp_to_context	,
		0.	75,
		"How wide fuzzies need context"
	)

◆ double_VAR_H() [34/46]

tesseract::Textord::double_VAR_H	(	textord_blob_size_bigile	,
		95	,
		"Percentile for large blobs"
	)

◆ double_VAR_H() [35/46]

tesseract::Textord::double_VAR_H	(	textord_noise_area_ratio	,
		0.	7,
		"Fraction of bounding box for noise"
	)

◆ double_VAR_H() [36/46]

tesseract::Textord::double_VAR_H	(	textord_blob_size_smallile	,
		20	,
		"Percentile for small blobs"
	)

◆ double_VAR_H() [37/46]

tesseract::Textord::double_VAR_H	(	textord_initialx_ile	,
		0.	75,
		"Ile of sizes for xheight guess"
	)

◆ double_VAR_H() [38/46]

tesseract::Textord::double_VAR_H	(	textord_initialasc_ile	,
		0.	90,
		"Ile of sizes for xheight guess"
	)

◆ double_VAR_H() [39/46]

tesseract::Textord::double_VAR_H	(	textord_noise_sizelimit	,
		0.	5,
		"Fraction of x for big t count"
	)

◆ double_VAR_H() [40/46]

tesseract::Textord::double_VAR_H	(	textord_noise_normratio	,
		2.	0,
		"Dot to norm ratio for deletion"
	)

◆ double_VAR_H() [41/46]

tesseract::Textord::double_VAR_H	(	textord_noise_syfract	,
		0.	2,
		"xh fract error for norm blobs"
	)

◆ double_VAR_H() [42/46]

tesseract::Textord::double_VAR_H	(	textord_noise_sxfract	,
		0.	4,
		"xh fract width error for norm blobs"
	)

◆ double_VAR_H() [43/46]

tesseract::Textord::double_VAR_H	(	textord_noise_hfract	,
		1.0/	64,
		"Height fraction to discard outlines as speckle noise"
	)

◆ double_VAR_H() [44/46]

tesseract::Textord::double_VAR_H	(	textord_noise_rowratio	,
		6.	0,
		"Dot to norm ratio for deletion"
	)

◆ double_VAR_H() [45/46]

tesseract::Textord::double_VAR_H	(	textord_blshift_maxshift	,
		0.	00,
		"Max baseline shift"
	)

◆ double_VAR_H() [46/46]

tesseract::Textord::double_VAR_H	(	textord_blshift_xfraction	,
		9.	99,
		"Min size of baseline shift"
	)

◆ filter_blobs()

void tesseract::Textord::filter_blobs	(	ICOORD	page_tr,
		TO_BLOCK_LIST *	blocks,
		bool	testing_on
	)

◆ filter_noise_blobs()

float tesseract::Textord::filter_noise_blobs	(	BLOBNBOX_LIST *	src_list,
		BLOBNBOX_LIST *	noise_list,
		BLOBNBOX_LIST *	small_list,
		BLOBNBOX_LIST *	large_list
	)

private

◆ find_components()

void tesseract::Textord::find_components	(	Pix *	pix,
		BLOCK_LIST *	blocks,
		TO_BLOCK_LIST *	to_blocks
	)

◆ find_mean_blob_spacing()

float tesseract::Textord::find_mean_blob_spacing ( WERD * word )

private

◆ find_textlines()

void tesseract::Textord::find_textlines	(	TO_BLOCK *	block,
		TO_ROW *	row,
		int	degree,
		QSPLINE *	spline
	)

private

◆ ignore_big_gap()

bool tesseract::Textord::ignore_big_gap	(	TO_ROW *	row,
		int32_t	row_length,
		GAPMAP *	gapmap,
		int16_t	left,
		int16_t	right
	)

private

◆ improve_row_threshold()

void tesseract::Textord::improve_row_threshold	(	TO_ROW *	row,
		STATS *	all_gap_stats
	)

private

◆ INT_VAR_H() [1/11]

tesseract::Textord::INT_VAR_H	(	tosp_debug_level	,
		0	,
		"Debug data"
	)

◆ INT_VAR_H() [2/11]

tesseract::Textord::INT_VAR_H	(	tosp_enough_space_samples_for_median	,
		3	,
		"or should we use mean"
	)

◆ INT_VAR_H() [3/11]

tesseract::Textord::INT_VAR_H	(	tosp_redo_kern_limit	,
		10	,
		"No.samples reqd to reestimate for row"
	)

◆ INT_VAR_H() [4/11]

tesseract::Textord::INT_VAR_H	(	tosp_few_samples	,
		40	,
		"No.gaps reqd with 1 large gap to treat as a table"
	)

◆ INT_VAR_H() [5/11]

tesseract::Textord::INT_VAR_H	(	tosp_short_row	,
		20	,
		"No.gaps reqd with few cert spaces to use certs"
	)

◆ INT_VAR_H() [6/11]

tesseract::Textord::INT_VAR_H	(	tosp_sanity_method	,
		1	,
		"How to avoid being silly"
	)

◆ INT_VAR_H() [7/11]

tesseract::Textord::INT_VAR_H	(	textord_max_noise_size	,
		7	,
		"Pixel size of noise"
	)

◆ INT_VAR_H() [8/11]

tesseract::Textord::INT_VAR_H	(	textord_baseline_debug	,
		0	,
		"Baseline debug level"
	)

◆ INT_VAR_H() [9/11]

tesseract::Textord::INT_VAR_H	(	textord_noise_sizefraction	,
		10	,
		"Fraction of size for maxima"
	)

◆ INT_VAR_H() [10/11]

tesseract::Textord::INT_VAR_H	(	textord_noise_translimit	,
		16	,
		"Transitions for normal blob"
	)

◆ INT_VAR_H() [11/11]

tesseract::Textord::INT_VAR_H	(	textord_noise_sncount	,
		1	,
		"super norm blobs to save row"
	)

◆ isolated_row_stats()

bool tesseract::Textord::isolated_row_stats	(	TO_ROW *	row,
		GAPMAP *	gapmap,
		STATS *	all_gap_stats,
		bool	suspected_table,
		int16_t	block_idx,
		int16_t	row_idx
	)

private

◆ make_a_word_break()

bool tesseract::Textord::make_a_word_break	(	TO_ROW *	row,
		TBOX	blob_box,
		int16_t	prev_gap,
		TBOX	prev_blob_box,
		int16_t	real_current_gap,
		int16_t	within_xht_current_gap,
		TBOX	next_blob_box,
		int16_t	next_gap,
		uint8_t &	blanks,
		bool &	fuzzy_sp,
		bool &	fuzzy_non,
		bool &	prev_gap_was_a_space,
		bool &	break_at_next_gap
	)

private

◆ make_blob_words()

ROW * tesseract::Textord::make_blob_words	(	TO_ROW *	row,
		FCOORD	rotation
	)

◆ make_old_baselines()

void tesseract::Textord::make_old_baselines	(	TO_BLOCK *	block,
		bool	testing_on,
		float	gradient
	)

private

◆ make_prop_words()

ROW * tesseract::Textord::make_prop_words	(	TO_ROW *	row,
		FCOORD	rotation
	)

◆ make_spline_rows()

void tesseract::Textord::make_spline_rows	(	TO_BLOCK *	block,
		float	gradient,
		bool	testing_on
	)

◆ MakeBlockRows()

void tesseract::Textord::MakeBlockRows	(	int	min_spacing,
		int	max_spacing,
		const FCOORD &	skew,
		TO_BLOCK *	block,
		ScrollView *	win
	)

private

◆ MakeRows()

void tesseract::Textord::MakeRows	(	PageSegMode	pageseg_mode,
		const FCOORD &	skew,
		int	width,
		int	height,
		TO_BLOCK_LIST *	to_blocks
	)

private

◆ mark_gap()

void tesseract::Textord::mark_gap	(	TBOX	blob,
		int16_t	rule,
		int16_t	prev_gap,
		int16_t	prev_blob_width,
		int16_t	current_gap,
		int16_t	next_blob_width,
		int16_t	next_gap
	)

private

◆ narrow_blob()

bool tesseract::Textord::narrow_blob	(	TO_ROW *	row,
		TBOX	blob_box
	)

private

◆ old_to_method()

void tesseract::Textord::old_to_method	(	TO_ROW *	row,
		STATS *	all_gap_stats,
		STATS *	space_gap_stats,
		STATS *	small_gap_stats,
		int16_t	block_space_gap_width,
		int16_t	block_non_space_gap_width
	)

private

◆ peek_at_next_gap()

void tesseract::Textord::peek_at_next_gap	(	TO_ROW *	row,
		BLOBNBOX_IT	box_it,
		TBOX &	next_blob_box,
		int16_t &	next_gap,
		int16_t &	next_within_xht_gap
	)

private

◆ reduced_box_for_blob()

TBOX tesseract::Textord::reduced_box_for_blob	(	BLOBNBOX *	blob,
		TO_ROW *	row,
		int16_t *	left_above_xht
	)

private

◆ reduced_box_next()

TBOX tesseract::Textord::reduced_box_next	(	TO_ROW *	row,
		BLOBNBOX_IT *	it
	)

private

◆ row_spacing_stats()

void tesseract::Textord::row_spacing_stats	(	TO_ROW *	row,
		GAPMAP *	gapmap,
		int16_t	block_idx,
		int16_t	row_idx,
		int16_t	block_space_gap_width,
		int16_t	block_non_space_gap_width
	)

private

◆ set_use_cjk_fp_model()

void tesseract::Textord::set_use_cjk_fp_model ( bool flag )

inline

◆ stats_count_under()

int16_t tesseract::Textord::stats_count_under	(	STATS *	stats,
		int16_t	threshold
	)

private

◆ suspected_punct_blob()

bool tesseract::Textord::suspected_punct_blob	(	TO_ROW *	row,
		TBOX	box
	)

private

◆ TextordPage()

void tesseract::Textord::TextordPage	(	PageSegMode	pageseg_mode,
		const FCOORD &	reskew,
		int	width,
		int	height,
		Pix *	binary_pix,
		Pix *	thresholds_pix,
		Pix *	grey_pix,
		bool	use_box_bottoms,
		BLOBNBOX_LIST *	diacritic_blobs,
		BLOCK_LIST *	blocks,
		TO_BLOCK_LIST *	to_blocks
	)

◆ to_spacing()

void tesseract::Textord::to_spacing	(	ICOORD	page_tr,
		TO_BLOCK_LIST *	blocks
	)

◆ TransferDiacriticsToBlockGroups()

void tesseract::Textord::TransferDiacriticsToBlockGroups	(	BLOBNBOX_LIST *	diacritic_blobs,
		BLOCK_LIST *	blocks
	)

private

◆ TransferDiacriticsToWords()

void tesseract::Textord::TransferDiacriticsToWords	(	BLOBNBOX_LIST *	diacritic_blobs,
		const FCOORD &	rotation,
		WordGrid *	word_grid
	)

private

◆ use_cjk_fp_model()

bool tesseract::Textord::use_cjk_fp_model ( ) const

inline

◆ wide_blob()

bool tesseract::Textord::wide_blob	(	TO_ROW *	row,
		TBOX	blob_box
	)

private

Member Data Documentation

◆ ccstruct_

CCStruct* tesseract::Textord::ccstruct_

private

◆ page_tr_

ICOORD tesseract::Textord::page_tr_

private

◆ use_cjk_fp_model_

bool tesseract::Textord::use_cjk_fp_model_

private

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

/home/stephane/src/tesseract/src/textord/textord.h
/home/stephane/src/tesseract/src/textord/makerow.cpp
/home/stephane/src/tesseract/src/textord/oldbasel.cpp
/home/stephane/src/tesseract/src/textord/textord.cpp
/home/stephane/src/tesseract/src/textord/tordmain.cpp
/home/stephane/src/tesseract/src/textord/tospace.cpp

Public Member Functions

Private Member Functions

Private Attributes

Constructor & Destructor Documentation

◆ Textord()

◆ ~Textord()

Member Function Documentation

◆ block_spacing_stats()

◆ BOOL_VAR_H() [1/28]

◆ BOOL_VAR_H() [2/28]

◆ BOOL_VAR_H() [3/28]

◆ BOOL_VAR_H() [4/28]

◆ BOOL_VAR_H() [5/28]

◆ BOOL_VAR_H() [6/28]

◆ BOOL_VAR_H() [7/28]

◆ BOOL_VAR_H() [8/28]

◆ BOOL_VAR_H() [9/28]

◆ BOOL_VAR_H() [10/28]

◆ BOOL_VAR_H() [11/28]

◆ BOOL_VAR_H() [12/28]

◆ BOOL_VAR_H() [13/28]

◆ BOOL_VAR_H() [14/28]

◆ BOOL_VAR_H() [15/28]

◆ BOOL_VAR_H() [16/28]

◆ BOOL_VAR_H() [17/28]

◆ BOOL_VAR_H() [18/28]

◆ BOOL_VAR_H() [19/28]

◆ BOOL_VAR_H() [20/28]

◆ BOOL_VAR_H() [21/28]

◆ BOOL_VAR_H() [22/28]

◆ BOOL_VAR_H() [23/28]

◆ BOOL_VAR_H() [24/28]

◆ BOOL_VAR_H() [25/28]

◆ BOOL_VAR_H() [26/28]

◆ BOOL_VAR_H() [27/28]

◆ BOOL_VAR_H() [28/28]

◆ clean_noise_from_row()

◆ clean_noise_from_words()

◆ clean_small_noise_from_words()

◆ cleanup_blocks()

◆ cleanup_nontext_block()

◆ CleanupSingleRowResult()

◆ compute_block_xheight()

◆ compute_row_xheight()

◆ correlate_lines()

◆ correlate_neighbours()

◆ correlate_with_stats()

◆ double_VAR_H() [1/46]

◆ double_VAR_H() [2/46]

◆ double_VAR_H() [3/46]

◆ double_VAR_H() [4/46]

◆ double_VAR_H() [5/46]

◆ double_VAR_H() [6/46]

◆ double_VAR_H() [7/46]

◆ double_VAR_H() [8/46]

◆ double_VAR_H() [9/46]

◆ double_VAR_H() [10/46]

◆ double_VAR_H() [11/46]

◆ double_VAR_H() [12/46]

◆ double_VAR_H() [13/46]

◆ double_VAR_H() [14/46]

◆ double_VAR_H() [15/46]

◆ double_VAR_H() [16/46]

◆ double_VAR_H() [17/46]

◆ double_VAR_H() [18/46]

◆ double_VAR_H() [19/46]

◆ double_VAR_H() [20/46]

◆ double_VAR_H() [21/46]

◆ double_VAR_H() [22/46]

◆ double_VAR_H() [23/46]

◆ double_VAR_H() [24/46]

◆ double_VAR_H() [25/46]

◆ double_VAR_H() [26/46]

◆ double_VAR_H() [27/46]

◆ double_VAR_H() [28/46]

◆ double_VAR_H() [29/46]

◆ double_VAR_H() [30/46]

◆ double_VAR_H() [31/46]

◆ double_VAR_H() [32/46]

◆ double_VAR_H() [33/46]