sample_set.h

   1
   2 ///////////////////////////////////////////////////////////////////////////
   3 // This program is free software: you can redistribute it and/or modify  //
   4 // it under the terms of the version 3 of the GNU General Public License //
   5 // as published by the Free Software Foundation.                         //
   6 //                                                                       //
   7 // This program is distributed in the hope that it will be useful, but   //
   8 // WITHOUT ANY WARRANTY; without even the implied warranty of            //
   9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      //
  10 // General Public License for more details.                              //
  11 //                                                                       //
  12 // You should have received a copy of the GNU General Public License     //
  13 // along with this program. If not, see <http://www.gnu.org/licenses/>.  //
  14 //                                                                       //
  15 // Written by Francois Fleuret                                           //
  16 // (C) Idiap Research Institute                                          //
  17 //                                                                       //
  18 // Contact <francois.fleuret@idiap.ch> for comments & bug reports        //
  19 ///////////////////////////////////////////////////////////////////////////
  20
  21 #ifndef SAMPLE_SET_H
  22 #define SAMPLE_SET_H
  23
  24 #include "pose_cell.h"
  25 #include "pi_feature_family.h"
  26 #include "shared_responses.h"
  27
  28 class SampleSet {
  29   int _nb_features;
  30   int _nb_samples;
  31   SharedResponses *_shared_feature_values;
  32   scalar_t **_feature_values;
  33   int *_labels;
  34
  35 public:
  36
  37   inline int nb_samples() { return _nb_samples; }
  38   inline int nb_features() { return _nb_features; }
  39
  40   inline int label(int n_sample) {
  41     ASSERT(n_sample >= 0 && n_sample < _nb_samples);
  42     return _labels[n_sample];
  43   }
  44
  45   inline scalar_t feature_value(int n_sample, int n_feature) {
  46     ASSERT(n_sample >= 0 && n_sample < _nb_samples &&
  47            n_feature >= 0 && n_feature < _nb_features);
  48     ASSERT(!isnan(_feature_values[n_sample][n_feature]));
  49     return _feature_values[n_sample][n_feature];
  50   }
  51
  52   SampleSet(int nb_features, int nb_samples);
  53   SampleSet(SampleSet *father, int nb, int *indexes);
  54
  55   ~SampleSet();
  56
  57   void set_sample(int n,
  58                   PiFeatureFamily *pi_feature_family,
  59                   RichImage *image,
  60                   PoseCell *cell,
  61                   int label);
  62 };
  63
  64 #endif