X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=mtp.git;a=blobdiff_plain;f=mtp.cc;h=36f09f113bc1ba091751a91590a59c0cafe8b48d;hp=1af71afbf4ff8a44b15026097467a42b60bbc1ad;hb=02b0f31c9e2e4ca12f7f33d63ae7a77de2d711c2;hpb=5b2943dfdbc77edc1f5f8bfa1f19102c6c049cc8

diff --git a/mtp.cc b/mtp.cc
index 1af71af..36f09f1 100644
--- a/mtp.cc
+++ b/mtp.cc
@@ -1,81 +1,81 @@
 
-///////////////////////////////////////////////////////////////////////////
-// 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
+/*
+ *  mtp is the ``Multi Tracked Paths'', an implementation of the
+ *  k-shortest paths algorithm for multi-target tracking.
+ *
+ *  Copyright (c) 2012 Idiap Research Institute, http://www.idiap.ch/
+ *  Written by Francois Fleuret <francois.fleuret@idiap.ch>
+ *
+ *  This file is part of mtp.
+ *
+ *  mtp is free software: you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 3 as
+ *  published by the Free Software Foundation.
+ *
+ *  mtp 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 selector.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
 
 #include <iostream>
 #include <fstream>
-#include <stdlib.h>
 
 using namespace std;
 
-#include "tracker.h"
+#include "mtp_tracker.h"
 
-//////////////////////////////////////////////////////////////////////
+int main(int argc, char **argv) {
+  time_t start_time, end_time;
 
-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);
+  if(argc < 2) {
+    cerr << argv[0] << " <tracker file>" << endl;
+    exit(EXIT_FAILURE);
   }
-}
 
-int main(int argc, char **argv) {
-  int nb_locations = 1000;
-  int nb_time_steps = 1000;
-  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->set_allowed_motion(l, k, abs(l - k) <= motion_amplitude);
-    }
-    tracker->set_as_entrance(0, 1);
-    tracker->set_as_exit(nb_locations - 1, 1);
-  }
+  ifstream *in_tracker = new ifstream(argv[1]);
 
-  tracker->build_graph();
+  if(in_tracker->good()) {
 
-  // We generate synthetic detection scores at location
-  // nb_locations/2, with 5% false detection (FP or FN)
+    MTPTracker *tracker = new MTPTracker();
 
-  for(int t = 0; t < nb_time_steps; t++) {
-    for(int l = 0; l < nb_locations; l++) {
-      tracker->set_detection_score(t, l, detection_score(-1, 0.95));
-    }
-    tracker->set_detection_score(t, nb_locations/2, detection_score(1, 0.95));
-  }
+    cout << "Reading " << argv[1] << "." << endl;
+    tracker->read(in_tracker);
+
+    cout << "Building the graph ... "; cout.flush();
+    start_time = time(0);
+    tracker->build_graph();
+    end_time = time(0);
+    cout << "done (" << end_time - start_time << "s)." << endl;
+
+    cout << "Tracking ... "; cout.flush();
+    start_time = time(0);
+    tracker->track();
+    end_time = time(0);
+    cout << "done (" << end_time - start_time << "s)." << endl;
+
+    ofstream out_traj("result.trj");
+    tracker->write_trajectories(&out_traj);
+    cout << "Wrote result.trj" << endl;
+
+    ofstream out_dot("graph.dot");
+    tracker->print_graph_dot(&out_dot);
+    cout << "Wrote graph.dot" << endl;
+
+    delete tracker;
+
+  } else {
 
-  tracker->track();
+    cerr << "Can not open " << argv[1] << endl;
+    exit(EXIT_FAILURE);
 
-  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;
   }
 
-  delete tracker;
+  delete in_tracker;
 
   exit(EXIT_SUCCESS);
 }