classifier.cc

   1 /*
   2  *  folded-ctf is an implementation of the folded hierarchy of
   3  *  classifiers for object detection, developed by Francois Fleuret
   4  *  and Donald Geman.
   5  *
   6  *  Copyright (c) 2008 Idiap Research Institute, http://www.idiap.ch/
   7  *  Written by Francois Fleuret <francois.fleuret@idiap.ch>
   8  *
   9  *  This file is part of folded-ctf.
  10  *
  11  *  folded-ctf is free software: you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published
  13  *  by the Free Software Foundation, either version 3 of the License,
  14  *  or (at your option) any later version.
  15  *
  16  *  folded-ctf is distributed in the hope that it will be useful, but
  17  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  *  General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with folded-ctf.  If not, see <http://www.gnu.org/licenses/>.
  23  *
  24  */
  25
  26 #include "classifier.h"
  27
  28 Classifier::~Classifier() { }
  29
  30 void Classifier::extract_pi_feature_family(PiFeatureFamily *full_pi_feature_family,
  31                                            PiFeatureFamily *extracted_pi_feature_family) {
  32
  33   bool *used_features = new bool[full_pi_feature_family->nb_features()];
  34   int *new_feature_indexes = new int[full_pi_feature_family->nb_features()];
  35
  36   for(int f = 0; f < full_pi_feature_family->nb_features(); f++)
  37     used_features[f] = false;
  38
  39   tag_used_features(used_features);
  40
  41   extracted_pi_feature_family->extract(full_pi_feature_family,
  42                                        used_features,
  43                                        new_feature_indexes);
  44
  45   re_index_features(new_feature_indexes);
  46
  47   delete[] new_feature_indexes;
  48   delete[] used_features;
  49 }