Exemplo n.º 1
0
// Sets up the built-in DENORM and normalizes the blob in-place.
// For parameters see DENORM::SetupNormalization, plus the inverse flag for
// this blob and the Pix for the full image.
void TBLOB::Normalize(const BLOCK* block,
                      const FCOORD* rotation,
                      const DENORM* predecessor,
                      float x_origin, float y_origin,
                      float x_scale, float y_scale,
                      float final_xshift, float final_yshift,
                      bool inverse, Pix* pix) {
  denorm_.SetupNormalization(block, rotation, predecessor, x_origin, y_origin,
                             x_scale, y_scale, final_xshift, final_yshift);
  denorm_.set_inverse(inverse);
  denorm_.set_pix(pix);
  // TODO(rays) outline->Normalize is more accurate, but breaks tests due
  // the changes it makes. Reinstate this code with a retraining.
  // The reason this change is troublesome is that it normalizes for the
  // baseline value computed independently at each x-coord. If the baseline
  // is not horizontal, this introduces shear into the normalized blob, which
  // is useful on the rare occasions that the baseline is really curved, but
  // the baselines need to be stabilized the rest of the time.
#if 0
  for (TESSLINE* outline = outlines; outline != NULL; outline = outline->next) {
    outline->Normalize(denorm_);
  }
#else
  denorm_.LocalNormBlob(this);
#endif
}
Exemplo n.º 2
0
// Normalize in-place using the DENORM.
void TBLOB::Normalize(const DENORM& denorm) {
  // TODO(rays) outline->Normalize is more accurate, but breaks tests due
  // the changes it makes. Reinstate this code with a retraining.
#if 1
  for (TESSLINE* outline = outlines; outline != NULL; outline = outline->next) {
    outline->Normalize(denorm);
  }
#else
  denorm.LocalNormBlob(this);
#endif
}