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/>.
28 A PiFeatureFamily is simply a set of pi-features, with a method to
29 extract a subfamily, so that we can forget all the features not used
30 by a classifier when the learning is over.
34 #ifndef PI_FEATURE_FAMILY_H
35 #define PI_FEATURE_FAMILY_H
38 #include "pose_cell_set.h"
39 #include "pi_feature.h"
41 class PiFeatureFamily : public Storable {
43 PiFeature *_pi_features;
49 inline int nb_features() { return _nb_features; }
51 inline PiFeature *get_feature(int f) {
52 ASSERT(f >= 0 && f < _nb_features);
53 return _pi_features + f;
56 void read(istream *is);
57 void write(ostream *os);
59 void resize(int nb_features);
60 void randomize(int level);
62 void extract(PiFeatureFamily *pi_feature_family, bool *used_features, int *new_feature_indexes);