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