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 version 3 as
13 * published by the Free Software Foundation.
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.
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/>.
25 #include "pi_feature_family.h"
27 PiFeatureFamily::PiFeatureFamily() {
32 PiFeatureFamily::~PiFeatureFamily() {
33 delete[] _pi_features;
36 void PiFeatureFamily::read(istream *is) {
37 delete[] _pi_features;
38 read_var(is, &_nb_features);
39 _pi_features = new PiFeature[_nb_features];
40 is->read((char *) _pi_features, sizeof(PiFeature) * _nb_features);
43 void PiFeatureFamily::write(ostream *os) {
44 write_var(os, &_nb_features);
45 os->write((char *) _pi_features, sizeof(PiFeature) * _nb_features);
48 void PiFeatureFamily::resize(int nb_features) {
49 delete[] _pi_features;
50 _nb_features = nb_features;
51 _pi_features = new PiFeature[_nb_features];
54 void PiFeatureFamily::randomize(int level) {
55 for(int f = 0; f < _nb_features; f++) _pi_features[f].randomize(level);
58 void PiFeatureFamily::extract(PiFeatureFamily *pi_feature_family,
59 bool *used_features, int *new_feature_indexes) {
60 delete[] _pi_features;
63 for(int f = 0; f < pi_feature_family->nb_features(); f++)
64 if(used_features[f]) _nb_features++;
66 _pi_features = new PiFeature[_nb_features];
70 for(int f = 0; f < pi_feature_family->nb_features(); f++)
71 if(used_features[f]) {
72 _pi_features[g] = pi_feature_family->_pi_features[f];
73 new_feature_indexes[f] = g;
75 } else new_feature_indexes[f] = -1;