2 * folded-ctf is an implementation of the folded hierarchy of
3 * classifiers for object detection, developed by Francois Fleuret
6 * Copyright (c) 2008 Idiap Research Institute, http://www.idiap.ch/
7 * Written by Francois Fleuret <francois.fleuret@idiap.ch>
9 * This file is part of folded-ctf.
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.
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.
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/>.
26 #include "pi_feature_family.h"
28 PiFeatureFamily::PiFeatureFamily() {
33 PiFeatureFamily::~PiFeatureFamily() {
34 delete[] _pi_features;
37 void PiFeatureFamily::read(istream *is) {
38 delete[] _pi_features;
39 read_var(is, &_nb_features);
40 _pi_features = new PiFeature[_nb_features];
41 is->read((char *) _pi_features, sizeof(PiFeature) * _nb_features);
44 void PiFeatureFamily::write(ostream *os) {
45 write_var(os, &_nb_features);
46 os->write((char *) _pi_features, sizeof(PiFeature) * _nb_features);
49 void PiFeatureFamily::resize(int nb_features) {
50 delete[] _pi_features;
51 _nb_features = nb_features;
52 _pi_features = new PiFeature[_nb_features];
55 void PiFeatureFamily::randomize(int level) {
56 for(int f = 0; f < _nb_features; f++) _pi_features[f].randomize(level);
59 void PiFeatureFamily::extract(PiFeatureFamily *pi_feature_family,
60 bool *used_features, int *new_feature_indexes) {
61 delete[] _pi_features;
64 for(int f = 0; f < pi_feature_family->nb_features(); f++)
65 if(used_features[f]) _nb_features++;
67 _pi_features = new PiFeature[_nb_features];
71 for(int f = 0; f < pi_feature_family->nb_features(); f++)
72 if(used_features[f]) {
73 _pi_features[g] = pi_feature_family->_pi_features[f];
74 new_feature_indexes[f] = g;
76 } else new_feature_indexes[f] = -1;