tesseract::CharClassifierFactory Class Reference

#include <classifier_factory.h>

Static Public Member Functions
static CharClassifier *	Create (const string &data_file_path, const string &lang, LangModel *lang_mod, CharSet *char_set, TuningParams *params)

Detailed Description

Definition at line 31 of file classifier_factory.h.

Member Function Documentation

CharClassifier * tesseract::CharClassifierFactory::Create ( const string &  data_file_path, const string &  lang, LangModel *  lang_mod, CharSet *  char_set, TuningParams *  params  )

static

Definition at line 35 of file classifier_factory.cpp.

                                                                    {
  // create the feature extraction object
  FeatureBase *feat_extract;

  switch (params->TypeFeature()) {
    case TuningParams::BMP:
      feat_extract = new FeatureBmp(params);
      break;
    case TuningParams::CHEBYSHEV:
      feat_extract = new FeatureChebyshev(params);
      break;
    case TuningParams::HYBRID:
      feat_extract = new FeatureHybrid(params);
      break;
    default:
      fprintf(stderr, "Cube ERROR (CharClassifierFactory::Create): invalid "
              "feature type.\n");
      return NULL;
  }

  if (feat_extract == NULL) {
    fprintf(stderr, "Cube ERROR (CharClassifierFactory::Create): unable "
              "to instantiate feature extraction object.\n");
    return NULL;
  }

  // create the classifier object
  CharClassifier *classifier_obj;
  switch (params->TypeClassifier()) {
    case TuningParams::NN:
      classifier_obj = new ConvNetCharClassifier(char_set, params,
                                                 feat_extract);
      break;
    case TuningParams::HYBRID_NN:
      classifier_obj = new HybridNeuralNetCharClassifier(char_set, params,
                                                         feat_extract);
      break;
    default:
      fprintf(stderr, "Cube ERROR (CharClassifierFactory::Create): invalid "
              "classifier type.\n");
      return NULL;
  }

  if (classifier_obj == NULL) {
    fprintf(stderr, "Cube ERROR (CharClassifierFactory::Create): error "
            "allocating memory for character classifier object.\n");
    return NULL;
  }

  // Init the classifier
  if (!classifier_obj->Init(data_file_path, lang, lang_mod)) {
    delete classifier_obj;
    fprintf(stderr, "Cube ERROR (CharClassifierFactory::Create): unable "
            "to Init() character classifier object.\n");
    return NULL;
  }
  return classifier_obj;
}

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

• cube/classifier_factory.h
• cube/classifier_factory.cpp