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, (C) IDIAP                                //
  16 // Contact <francois.fleuret@idiap.ch> for comments & bug reports        //
  17 ///////////////////////////////////////////////////////////////////////////
  18
  19 #ifndef SAMPLE_SET_H
  20 #define SAMPLE_SET_H
  21
  22 #include "pose_cell.h"
  23 #include "pi_feature_family.h"
  24 #include "shared_responses.h"
  25
  26 class SampleSet {
  27   int _nb_features;
  28   int _nb_samples;
  29   SharedResponses *_shared_feature_values;
  30   scalar_t **_feature_values;
  31   int *_labels;
  32
  33 public:
  34
  35   inline int nb_samples() { return _nb_samples; }
  36   inline int nb_features() { return _nb_features; }
  37
  38   inline int label(int n_sample) {
  39     ASSERT(n_sample >= 0 && n_sample < _nb_samples);
  40     return _labels[n_sample];
  41   }
  42
  43   inline scalar_t feature_value(int n_sample, int n_feature) {
  44     ASSERT(n_sample >= 0 && n_sample < _nb_samples &&
  45            n_feature >= 0 && n_feature < _nb_features);
  46     ASSERT(!isnan(_feature_values[n_sample][n_feature]));
  47     return _feature_values[n_sample][n_feature];
  48   }
  49
  50   SampleSet(int nb_features, int nb_samples);
  51   SampleSet(SampleSet *father, int nb, int *indexes);
  52
  53   ~SampleSet();
  54
  55   void set_sample(int n,
  56                   PiFeatureFamily *pi_feature_family,
  57                   RichImage *image,
  58                   PoseCell *cell,
  59                   int label);
  60 };
  61
  62 #endif