tesseract
3.03
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Go to the source code of this file.
Classes | |
struct | INT_FX_RESULT_STRUCT |
Namespaces | |
namespace | tesseract |
Functions | |
void | InitIntegerFX () |
FCOORD | FeatureDirection (uinT8 theta) |
TrainingSample * | tesseract::BlobToTrainingSample (const TBLOB &blob, bool nonlinear_norm, INT_FX_RESULT_STRUCT *fx_info, GenericVector< INT_FEATURE_STRUCT > *bl_features) |
bool | ExtractIntFeat (const TBLOB &blob, bool nonlinear_norm, INT_FEATURE_ARRAY BLFeat, INT_FEATURE_ARRAY CNFeat, INT_FX_RESULT_STRUCT *Results) |
Variables | |
const double | kStandardFeatureLength = 64.0 / 5 |
bool ExtractIntFeat | ( | const TBLOB & | blob, |
bool | nonlinear_norm, | ||
INT_FEATURE_ARRAY | BLFeat, | ||
INT_FEATURE_ARRAY | CNFeat, | ||
INT_FX_RESULT_STRUCT * | Results | ||
) |
Definition at line 513 of file intfx.cpp.
{ GenericVector<INT_FEATURE_STRUCT> bl_features; GenericVector<INT_FEATURE_STRUCT> cn_features; tesseract::Classify::ExtractFeatures(blob, nonlinear_norm, &bl_features, &cn_features, results, NULL); if (bl_features.size() == 0 || cn_features.size() == 0 || bl_features.size() > MAX_NUM_INT_FEATURES || cn_features.size() > MAX_NUM_INT_FEATURES) { return false; // Feature extraction failed. } memcpy(baseline_features, &bl_features[0], bl_features.size() * sizeof(bl_features[0])); memcpy(charnorm_features, &cn_features[0], cn_features.size() * sizeof(cn_features[0])); return true; }
FCOORD FeatureDirection | ( | uinT8 | theta | ) |
void InitIntegerFX | ( | ) |
---------------------------------------------------------------------------- Public Function Prototypes ----------------------------------------------------------------------------
---------------------------------------------------------------------------- Public Code ----------------------------------------------------------------------------
Definition at line 55 of file intfx.cpp.
{ static bool atan_table_init = false; atan_table_mutex.Lock(); if (!atan_table_init) { for (int i = 0; i < INT_CHAR_NORM_RANGE; ++i) { cos_table[i] = cos(i * 2 * PI / INT_CHAR_NORM_RANGE + PI); sin_table[i] = sin(i * 2 * PI / INT_CHAR_NORM_RANGE + PI); } atan_table_init = true; } atan_table_mutex.Unlock(); }
const double kStandardFeatureLength = 64.0 / 5 |