tesseract v5.3.3.20231005
Public Member Functions | List of all members
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 ShapeTable * GetShapeTable () const override
 
const UNICHARSET & GetUnicharset () 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 UnicharClassifySample (const TrainingSample &sample, Image page_pix, int debug, UNICHAR_ID keep_this, std::vector< UnicharRating > *results)
 
virtual int BestShapeForUnichar (const TrainingSample &sample, Image page_pix, UNICHAR_ID unichar_id, ShapeRating *result)
 
virtual const ShapeTable * GetShapeTable () const =0
 
virtual const UNICHARSET & GetUnicharset () const
 
void DebugDisplay (const TrainingSample &sample, Image page_pix, UNICHAR_ID unichar_id)
 
virtual int DisplayClassifyAs (const TrainingSample &sample, Image page_pix, UNICHAR_ID unichar_id, int index, std::vector< ScrollView * > &windows)
 
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}
UnusedClassIdIn
#define UnusedClassIdIn(T, c)
Definition: intproto.h:155
tesseract::tprintf
void tprintf(const char *format,...)
Definition: tprintf.cpp:41
tesseract::Classify::ShowBestMatchFor
void ShowBestMatchFor(int shape_id, const INT_FEATURE_STRUCT *features, int num_features)
Definition: adaptmatch.cpp:2065
tesseract::Classify::PreTrainedTemplates
INT_TEMPLATES_STRUCT * PreTrainedTemplates
Definition: classify.h:419

◆ 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}
tesseract::Classify::shape_table
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}
tesseract::CCUtil::unicharset
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}
tesseract::Classify::CharNormTrainingSample
int CharNormTrainingSample(bool pruner_only, int keep_this, const TrainingSample &sample, std::vector< UnicharRating > *results)
Definition: adaptmatch.cpp:1288
The documentation for this class was generated from the following files: