Tesseract  3.02
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tesseract::CubeTessClassifier Class Reference

#include <cubeclassifier.h>

Inheritance diagram for tesseract::CubeTessClassifier:
tesseract::ShapeClassifier

List of all members.

Public Member Functions

 CubeTessClassifier (Tesseract *tesseract)
virtual ~CubeTessClassifier ()
virtual int ClassifySample (const TrainingSample &sample, Pix *page_pix, int debug, int keep_this, GenericVector< ShapeRating > *results)
virtual const ShapeTableGetShapeTable () const
- Public Member Functions inherited from tesseract::ShapeClassifier
virtual ~ShapeClassifier ()

Detailed Description

Definition at line 57 of file cubeclassifier.h.


Constructor & Destructor Documentation

tesseract::CubeTessClassifier::CubeTessClassifier ( tesseract::Tesseract tesseract)
explicit

Definition at line 79 of file cubeclassifier.cpp.

: cube_cntxt_(tesseract->GetCubeRecoContext()),
shape_table_(*tesseract->shape_table()),
pruner_(new TessClassifier(true, tesseract)) {
}
tesseract::CubeTessClassifier::~CubeTessClassifier ( )
virtual

Definition at line 84 of file cubeclassifier.cpp.

{
delete pruner_;
}

Member Function Documentation

int tesseract::CubeTessClassifier::ClassifySample ( const TrainingSample sample,
Pix *  page_pix,
int  debug,
int  keep_this,
GenericVector< ShapeRating > *  results 
)
virtual

Implements tesseract::ShapeClassifier.

Definition at line 90 of file cubeclassifier.cpp.

{
int num_results = pruner_->ClassifySample(sample, page_pix, debug, keep_this,
results);
if (page_pix == NULL) return num_results;
ASSERT_HOST(cube_cntxt_ != NULL);
const TBOX& char_box = sample.bounding_box();
CubeObject* cube_obj = new tesseract::CubeObject(
cube_cntxt_, page_pix, char_box.left(),
pixGetHeight(page_pix) - char_box.top(),
char_box.width(), char_box.height());
CharAltList* alt_list = cube_obj->RecognizeChar();
CharSet* char_set = cube_cntxt_->CharacterSet();
if (alt_list != NULL) {
for (int r = 0; r < num_results; ++r) {
const Shape& shape = shape_table_.GetShape((*results)[r].shape_id);
// Get the best cube probability of all unichars in the shape.
double best_prob = 0.0;
for (int i = 0; i < alt_list->AltCount(); ++i) {
int alt_id = alt_list->Alt(i);
int unichar_id = char_set->UnicharID(char_set->ClassString(alt_id));
if (shape.ContainsUnichar(unichar_id) &&
alt_list->AltProb(i) > best_prob) {
best_prob = alt_list->AltProb(i);
}
}
(*results)[r].rating = best_prob;
}
delete alt_list;
// Re-sort by rating.
}
delete cube_obj;
return results->size();
}
const ShapeTable * tesseract::CubeTessClassifier::GetShapeTable ( ) const
virtual

Implements tesseract::ShapeClassifier.

Definition at line 129 of file cubeclassifier.cpp.

{
return &shape_table_;
}

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