-
-///////////////////////////////////////////////////////////////////////////
-// This program is free software: you can redistribute it and/or modify //
-// it under the terms of the version 3 of the GNU General Public License //
-// as published by the Free Software Foundation. //
-// //
-// This program is distributed in the hope that it will be useful, but //
-// WITHOUT ANY WARRANTY; without even the implied warranty of //
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //
-// General Public License for more details. //
-// //
-// You should have received a copy of the GNU General Public License //
-// along with this program. If not, see <http://www.gnu.org/licenses/>. //
-// //
-// Written by and Copyright (C) Francois Fleuret //
-// Contact <francois.fleuret@idiap.ch> for comments & bug reports //
-///////////////////////////////////////////////////////////////////////////
-
-// Multi-Tracked Path
-
-#include <iostream>
-#include <fstream>
-
-using namespace std;
-
-#include "tracker.h"
-
-//////////////////////////////////////////////////////////////////////
-
-scalar_t detection_score(int true_label, scalar_t flip_noise) {
- if((true_label > 0) == (drand48() < flip_noise)) {
- return 1.0 + 0.2 * (drand48() - 0.5);
- } else {
- return - 1.0 + 0.2 * (drand48() - 0.5);
- }
-}
-
-int main(int argc, char **argv) {
- int nb_locations = 6;
- int nb_time_steps = 5;
- int motion_amplitude = 1;
-
- Tracker *tracker = new Tracker(nb_time_steps, nb_locations);
-
- for(int l = 0; l < nb_locations; l++) {
- for(int k = 0; k < nb_locations; k++) {
- tracker->allowed_motion[l][k] = abs(l - k) <= motion_amplitude;
- }
- tracker->entrances[0] = 1;
- tracker->exits[nb_locations - 1] = 1;
- }
-
- tracker->build_graph();
-
- // We generate synthetic detection scores at location
- // nb_locations/2, with 5% false detection (FP or FN)
-
- for(int t = 0; t < nb_time_steps; t++) {
- for(int l = 0; l < nb_locations; l++) {
- tracker->detection_score[t][l] = detection_score(-1, 0.95);
- }
- tracker->detection_score[t][nb_locations/2] = detection_score(1, 0.95);
- }
-
- tracker->track();
-
- for(int t = 0; t < tracker->nb_trajectories(); t++) {
- cout << "TRAJECTORY "
- << t
- << " [starting " << tracker->trajectory_entrance_time(t) << "]";
- for(int u = 0; u < tracker->trajectory_duration(t); u++) {
- cout << " " << tracker->trajectory_location(t, u);
- }
- cout << endl;
- }
-
- {
- ofstream dot("graph.dot");
- tracker->print_graph_dot(&dot);
- cout << "Wrote graph.dot." << endl;
- }
-
- delete tracker;
-
- exit(EXIT_SUCCESS);
-}