tesseract  5.0.0
tesseract::TessClassifier Class Reference

#include <tessclassifier.h>

Inheritance diagram for tesseract::TessClassifier:
tesseract::ShapeClassifier

Public Member Functions

 TessClassifier (bool pruner_only, tesseract::Classify *classify)
 
 ~TessClassifier () override=default
 
int UnicharClassifySample (const TrainingSample &sample, Image page_pix, int debug, UNICHAR_ID keep_this, std::vector< UnicharRating > *results) override
 
const ShapeTableGetShapeTable () const override
 
const UNICHARSETGetUnicharset () const override
 
int DisplayClassifyAs (const TrainingSample &sample, Image page_pix, int unichar_id, int index, std::vector< ScrollView * > &windows) override
 
- Public Member Functions inherited from tesseract::ShapeClassifier
virtual ~ShapeClassifier ()=default
 
virtual int BestShapeForUnichar (const TrainingSample &sample, Image page_pix, UNICHAR_ID unichar_id, ShapeRating *result)
 
void DebugDisplay (const TrainingSample &sample, Image page_pix, UNICHAR_ID unichar_id)
 
virtual void UnicharPrintResults (const char *context, const std::vector< UnicharRating > &results) const
 
virtual void PrintResults (const char *context, const std::vector< ShapeRating > &results) const
 

Additional Inherited Members

- Protected Member Functions inherited from tesseract::ShapeClassifier
virtual int ClassifySample (const TrainingSample &sample, Image page_pix, int debug, UNICHAR_ID keep_this, std::vector< ShapeRating > *results)
 
void FilterDuplicateUnichars (std::vector< ShapeRating > *results) const
 

Detailed Description

Definition at line 35 of file tessclassifier.h.

Constructor & Destructor Documentation

◆ TessClassifier()

tesseract::TessClassifier::TessClassifier ( bool  pruner_only,
tesseract::Classify classify 
)
inline

Definition at line 37 of file tessclassifier.h.

38  : pruner_only_(pruner_only), classify_(classify) {}

◆ ~TessClassifier()

tesseract::TessClassifier::~TessClassifier ( )
overridedefault

Member Function Documentation

◆ DisplayClassifyAs()

int tesseract::TessClassifier::DisplayClassifyAs ( const TrainingSample sample,
Image  page_pix,
int  unichar_id,
int  index,
std::vector< ScrollView * > &  windows 
)
overridevirtual

Reimplemented from tesseract::ShapeClassifier.

Definition at line 65 of file tessclassifier.cpp.

66  {
67  int shape_id = unichar_id;
68  // TODO(rays) Fix this so it works with both flat and real shapetables.
69  // if (GetShapeTable() != nullptr)
70  // shape_id = BestShapeForUnichar(sample, page_pix, unichar_id, nullptr);
71  if (shape_id < 0) {
72  return index;
73  }
74  if (UnusedClassIdIn(classify_->PreTrainedTemplates, shape_id)) {
75  tprintf("No built-in templates for class/shape %d\n", shape_id);
76  return index;
77  }
78 #ifndef GRAPHICS_DISABLED
79  classify_->ShowBestMatchFor(shape_id, sample.features(), sample.num_features());
80 #endif
81  return index;
82 }
#define UnusedClassIdIn(T, c)
Definition: intproto.h:155
void tprintf(const char *format,...)
Definition: tprintf.cpp:41
void ShowBestMatchFor(int shape_id, const INT_FEATURE_STRUCT *features, int num_features)
INT_TEMPLATES_STRUCT * PreTrainedTemplates
Definition: classify.h:420

◆ GetShapeTable()

const ShapeTable * tesseract::TessClassifier::GetShapeTable ( ) const
overridevirtual

Implements tesseract::ShapeClassifier.

Definition at line 51 of file tessclassifier.cpp.

51  {
52  return classify_->shape_table();
53 }
const ShapeTable * shape_table() const
Definition: classify.h:102

◆ GetUnicharset()

const UNICHARSET & tesseract::TessClassifier::GetUnicharset ( ) const
overridevirtual

Reimplemented from tesseract::ShapeClassifier.

Definition at line 56 of file tessclassifier.cpp.

56  {
57  return classify_->unicharset;
58 }
UNICHARSET unicharset
Definition: ccutil.h:61

◆ UnicharClassifySample()

int tesseract::TessClassifier::UnicharClassifySample ( const TrainingSample sample,
Image  page_pix,
int  debug,
UNICHAR_ID  keep_this,
std::vector< UnicharRating > *  results 
)
overridevirtual

Reimplemented from tesseract::ShapeClassifier.

Definition at line 28 of file tessclassifier.cpp.

30  {
31  const int old_matcher_level = classify_->matcher_debug_level;
32  const int old_matcher_flags = classify_->matcher_debug_flags;
33  const int old_classify_level = classify_->classify_debug_level;
34  if (debug) {
35  // Explicitly set values of various control parameters to generate debug
36  // output if required, restoring the old values after classifying.
37  classify_->matcher_debug_level.set_value(2);
38  classify_->matcher_debug_flags.set_value(25);
39  classify_->classify_debug_level.set_value(3);
40  }
41  classify_->CharNormTrainingSample(pruner_only_, keep_this, sample, results);
42  if (debug) {
43  classify_->matcher_debug_level.set_value(old_matcher_level);
44  classify_->matcher_debug_flags.set_value(old_matcher_flags);
45  classify_->classify_debug_level.set_value(old_classify_level);
46  }
47  return results->size();
48 }
int CharNormTrainingSample(bool pruner_only, int keep_this, const TrainingSample &sample, std::vector< UnicharRating > *results)

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