TO_ROW Class Reference

#include <blobbox.h>

Inheritance diagram for TO_ROW:

Public Member Functions
	TO_ROW ()
	TO_ROW (BLOBNBOX *blob, float top, float bottom, float row_size)
void	print () const
float	max_y () const
float	min_y () const
float	mean_y () const
float	initial_min_y () const
float	line_m () const
float	line_c () const
float	line_error () const
float	parallel_c () const
float	parallel_error () const
float	believability () const
float	intercept () const
void	add_blob (BLOBNBOX *blob, float top, float bottom, float row_size)
void	insert_blob (BLOBNBOX *blob)
BLOBNBOX_LIST *	blob_list ()
void	set_line (float new_m, float new_c, float new_error)
void	set_parallel_line (float gradient, float new_c, float new_error)
void	set_limits (float new_min, float new_max)
void	compute_vertical_projection ()
bool	rep_chars_marked () const
void	clear_rep_chars_marked ()
int	num_repeated_sets () const
void	set_num_repeated_sets (int num_sets)
Public Member Functions inherited from ELIST2_LINK
	ELIST2_LINK ()
	ELIST2_LINK (const ELIST2_LINK &)
void	operator= (const ELIST2_LINK &)

Public Attributes
bool	merged = false
bool	all_caps
bool	used_dm_model
int16_t	projection_left
int16_t	projection_right
PITCH_TYPE	pitch_decision
float	fixed_pitch
float	fp_space
float	fp_nonsp
float	pr_space
float	pr_nonsp
float	spacing
float	xheight
int	xheight_evidence
float	ascrise
float	descdrop
float	body_size
int32_t	min_space
int32_t	max_nonspace
int32_t	space_threshold
float	kern_size
float	space_size
WERD_LIST	rep_words
ICOORDELT_LIST	char_cells
QSPLINE	baseline
STATS	projection

Static Public Attributes
static const int	kErrorWeight = 3

Detailed Description

Definition at line 543 of file blobbox.h.

Constructor & Destructor Documentation

TO_ROW() [1/2]

TO_ROW::TO_ROW ( )

inline

Definition at line 548 of file blobbox.h.

             {
      clear();

TO_ROW() [2/2]

TO_ROW::TO_ROW	(	BLOBNBOX *	blob,
		float	top,
		float	bottom,
		float	row_size
	)

Definition at line 680 of file blobbox.cpp.

  {
  clear();
  y_min = bottom;
  y_max = top;
  initial_y_min = bottom;
 
  float diff;                    //in size
  BLOBNBOX_IT it = &blobs;       //list of blobs
 
  it.add_to_end (blob);
  diff = top - bottom - row_size;
  if (diff > 0) {
    y_max -= diff / 2;

Member Function Documentation

add_blob()

void TO_ROW::add_blob	(	BLOBNBOX *	blob,
		float	top,
		float	bottom,
		float	row_size
	)

Definition at line 723 of file blobbox.cpp.

                       {
  float allowed;                 //allowed expansion
  float available;               //expansion
  BLOBNBOX_IT it = &blobs;       //list of blobs
 
  it.add_to_end (blob);
  allowed = row_size + y_min - y_max;
  if (allowed > 0) {
    available = top > y_max ? top - y_max : 0;
    if (bottom < y_min)
                                 //total available
        available += y_min - bottom;
    if (available > 0) {

believability()

float TO_ROW::believability ( ) const

inline

Definition at line 585 of file blobbox.h.

                                {  //baseline goodness
      return credibility;

blob_list()

BLOBNBOX_LIST* TO_ROW::blob_list ( )

inline

Definition at line 599 of file blobbox.h.

                               {  //get list
      return &blobs;

clear_rep_chars_marked()

void TO_ROW::clear_rep_chars_marked ( )

inline

Definition at line 633 of file blobbox.h.

                                  {
      num_repeated_sets_ = -1;

compute_vertical_projection()

void TO_ROW::compute_vertical_projection

(

)

Definition at line 784 of file blobbox.cpp.

                                         {  //project whole row
  TBOX row_box;                   //bound of row
  BLOBNBOX *blob;                //current blob
  TBOX blob_box;                  //bounding box
  BLOBNBOX_IT blob_it = blob_list ();
 
  if (blob_it.empty ())
    return;
  row_box = blob_it.data ()->bounding_box ();
  for (blob_it.mark_cycle_pt (); !blob_it.cycled_list (); blob_it.forward ())

initial_min_y()

float TO_ROW::initial_min_y ( ) const

inline

Definition at line 567 of file blobbox.h.

                                {
      return initial_y_min;

insert_blob()

void TO_ROW::insert_blob

(

BLOBNBOX *

blob

)

Definition at line 758 of file blobbox.cpp.

                          {
  BLOBNBOX_IT it = &blobs;       //list of blobs
 
  if (it.empty ())
    it.add_before_then_move (blob);
  else {

intercept()

float TO_ROW::intercept ( ) const

inline

Definition at line 588 of file blobbox.h.

                            {  //real parallel_c
      return y_origin;

line_c()

float TO_ROW::line_c ( ) const

inline

Definition at line 573 of file blobbox.h.

                         {
      return c;

line_error()

float TO_ROW::line_error ( ) const

inline

Definition at line 576 of file blobbox.h.

                             {
      return error;

line_m()

float TO_ROW::line_m ( ) const

inline

Definition at line 570 of file blobbox.h.

                         {  //access to line fit
      return m;

max_y()

float TO_ROW::max_y ( ) const

inline

Definition at line 558 of file blobbox.h.

                        {  //access function
      return y_max;

mean_y()

float TO_ROW::mean_y ( ) const

inline

Definition at line 564 of file blobbox.h.

                         {
      return (y_min + y_max) / 2.0f;

min_y()

float TO_ROW::min_y ( ) const

inline

Definition at line 561 of file blobbox.h.

                        {
      return y_min;

num_repeated_sets()

int TO_ROW::num_repeated_sets ( ) const

inline

Definition at line 636 of file blobbox.h.

                                  {
      return num_repeated_sets_;

parallel_c()

float TO_ROW::parallel_c ( ) const

inline

Definition at line 579 of file blobbox.h.

                             {
      return para_c;

parallel_error()

float TO_ROW::parallel_error ( ) const

inline

Definition at line 582 of file blobbox.h.

                                 {
      return para_error;

print()

void TO_ROW::print

(

)

const

Definition at line 708 of file blobbox.cpp.

                                          {
    diff = row_size / 3 + bottom - top;
    y_max += diff / 2;
    y_min -= diff / 2;
  }
}
 

rep_chars_marked()

bool TO_ROW::rep_chars_marked ( ) const

inline

Definition at line 630 of file blobbox.h.

                                  {
      return num_repeated_sets_ != -1;

set_limits()

void TO_ROW::set_limits ( float  new_min, float  new_max  )

inline

Definition at line 621 of file blobbox.h.

                                   {  //top of row
      y_min = new_min;
      y_max = new_max;

set_line()

void TO_ROW::set_line ( float  new_m, float  new_c, float  new_error  )

inline

Definition at line 603 of file blobbox.h.

                                   {
      m = new_m;
      c = new_c;
      error = new_error;

set_num_repeated_sets()

void TO_ROW::set_num_repeated_sets ( int  num_sets )

inline

Definition at line 639 of file blobbox.h.

                                             {
      num_repeated_sets_ = num_sets;

set_parallel_line()

void TO_ROW::set_parallel_line ( float  gradient, float  new_c, float  new_error  )

inline

Definition at line 611 of file blobbox.h.

                                            {
      para_c = new_c;
      para_error = new_error;
      credibility = blobs.length() -  kErrorWeight * new_error;
      y_origin = new_c / std::sqrt(1 + gradient * gradient);
      //real intercept

Member Data Documentation

all_caps

bool TO_ROW::all_caps

Definition at line 645 of file blobbox.h.

ascrise

float TO_ROW::ascrise

Definition at line 658 of file blobbox.h.

baseline

QSPLINE TO_ROW::baseline

Definition at line 669 of file blobbox.h.

body_size

float TO_ROW::body_size

Definition at line 660 of file blobbox.h.

char_cells

ICOORDELT_LIST TO_ROW::char_cells

Definition at line 668 of file blobbox.h.

descdrop

float TO_ROW::descdrop

Definition at line 659 of file blobbox.h.

fixed_pitch

float TO_ROW::fixed_pitch

Definition at line 650 of file blobbox.h.

fp_nonsp

float TO_ROW::fp_nonsp

Definition at line 652 of file blobbox.h.

fp_space

float TO_ROW::fp_space

Definition at line 651 of file blobbox.h.

kern_size

float TO_ROW::kern_size

Definition at line 665 of file blobbox.h.

kErrorWeight

const int TO_ROW::kErrorWeight = 3

static

Definition at line 546 of file blobbox.h.

max_nonspace

int32_t TO_ROW::max_nonspace

Definition at line 663 of file blobbox.h.

merged

bool TO_ROW::merged = false

Definition at line 644 of file blobbox.h.

min_space

int32_t TO_ROW::min_space

Definition at line 662 of file blobbox.h.

pitch_decision

PITCH_TYPE TO_ROW::pitch_decision

Definition at line 649 of file blobbox.h.

pr_nonsp

float TO_ROW::pr_nonsp

Definition at line 654 of file blobbox.h.

pr_space

float TO_ROW::pr_space

Definition at line 653 of file blobbox.h.

projection

STATS TO_ROW::projection

Definition at line 670 of file blobbox.h.

projection_left

int16_t TO_ROW::projection_left

Definition at line 647 of file blobbox.h.

projection_right

int16_t TO_ROW::projection_right

Definition at line 648 of file blobbox.h.

rep_words

WERD_LIST TO_ROW::rep_words

Definition at line 667 of file blobbox.h.

space_size

float TO_ROW::space_size

Definition at line 666 of file blobbox.h.

space_threshold

int32_t TO_ROW::space_threshold

Definition at line 664 of file blobbox.h.

spacing

float TO_ROW::spacing

Definition at line 655 of file blobbox.h.

used_dm_model

bool TO_ROW::used_dm_model

Definition at line 646 of file blobbox.h.

xheight

float TO_ROW::xheight

Definition at line 656 of file blobbox.h.

xheight_evidence

int TO_ROW::xheight_evidence

Definition at line 657 of file blobbox.h.

---

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

• /tesseract/src/ccstruct/blobbox.h
• /tesseract/src/ccstruct/blobbox.cpp