Removed the definition of basename, which confuses an existing system one.
[folded-ctf.git] / sample_set.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 version 3 as
13  *  published by the Free Software Foundation.
14  *
15  *  folded-ctf is distributed in the hope that it will be useful, but
16  *  WITHOUT ANY WARRANTY; without even the implied warranty of
17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18  *  General Public License for more details.
19  *
20  *  You should have received a copy of the GNU General Public License
21  *  along with folded-ctf.  If not, see <http://www.gnu.org/licenses/>.
22  *
23  */
24
25 #include "sample_set.h"
26
27 SampleSet::SampleSet(int nb_features, int nb_samples) {
28   _nb_features = nb_features;
29   _nb_samples = nb_samples;
30   _shared_feature_values = new SharedResponses(_nb_features, _nb_samples);
31   _shared_feature_values->grab();
32
33   _labels = new int[_nb_samples];
34   _feature_values = new scalar_t *[_nb_samples];
35   for(int s = 0; s < _nb_samples; s++)
36     _feature_values[s] = _shared_feature_values->_responses + _nb_features * s;
37
38 }
39
40 SampleSet::SampleSet(SampleSet *father, int nb, int *indexes) {
41   _nb_features = father->_nb_features;
42   _nb_samples = nb;
43   _shared_feature_values = father->_shared_feature_values;
44   _shared_feature_values->grab();
45
46   _labels = new int[_nb_samples];
47   _feature_values = new scalar_t *[_nb_samples];
48   for(int s = 0; s < _nb_samples; s++) {
49     _feature_values[s] = father->_feature_values[indexes[s]];
50     _labels[s] = father->_labels[indexes[s]];
51   }
52 }
53
54 SampleSet::~SampleSet() {
55   _shared_feature_values->release();
56   delete[] _feature_values;
57   delete[] _labels;
58 }
59
60 void SampleSet::set_sample(int n,
61                            PiFeatureFamily *pi_feature_family,
62                            RichImage *image,
63                            PoseCell *cell, int label) {
64   ASSERT(n >= 0 && n < _nb_samples);
65   _labels[n] = label;
66   PiReferential referential(cell);
67   for(int f = 0; f < _nb_features; f++) {
68     _feature_values[n][f] = pi_feature_family->get_feature(f)->response(image, &referential);
69     ASSERT(!isnan(_feature_values[n][f]));
70   }
71 }