X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=mtp.cc;h=61dcc21692df4a0e69b9e315e8abc66998697683;hb=9847d704169e8631b223af71be40cfa5337e832f;hp=118e521678e05f415b80173cf421f3830b0a38a2;hpb=0f54e5005de0f05d4bc400f23181301eb40f469e;p=mtp.git
diff --git a/mtp.cc b/mtp.cc
index 118e521..61dcc21 100644
--- a/mtp.cc
+++ b/mtp.cc
@@ -1,118 +1,88 @@
-///////////////////////////////////////////////////////////////////////////
-// 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 . //
-// //
-// Written by and Copyright (C) Francois Fleuret //
-// Contact for comments & bug reports //
-///////////////////////////////////////////////////////////////////////////
-
-// Multi-Tracked Path
-
-// Takes the graph description file as input and produces a dot file.
-
-// EXAMPLE: ./mtp ./graph2.txt | dot -T pdf -o- | xpdf -
-
-#define VERBOSE
+/*
+ * 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
+ *
+ * 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 .
+ *
+ */
#include
#include
-#include
-#include
-#include
-#include
+#include
using namespace std;
-#include "mtp_graph.h"
+#include "mtp_tracker.h"
-//////////////////////////////////////////////////////////////////////
-
-void find_best_paths(int nb_vertices,
- int nb_edges, int *ea, int *eb, scalar_t *el,
- int source, int sink,
- int *result_edge_occupation) {
- MTPGraph graph(nb_vertices, nb_edges, ea, eb, source, sink);
- graph.find_best_paths(el, result_edge_occupation);
-}
-
-void dot_print(int nb_vertices,
- int nb_edges, int *ea, int *eb, scalar_t *el,
- int source, int sink,
- int *edge_occupation) {
- cout << "digraph {" << endl;
- cout << " node[shape=circle];" << endl;
- for(int e = 0; e < nb_edges; e++) {
- if(edge_occupation[e]) {
- cout << " " << ea[e] << " -> " << eb[e] << " [style=bold,color=black,label=\"" << el[e] << "\"];" << endl;
- } else {
- cout << " " << ea[e] << " -> " << eb[e] << " [color=gray,label=\"" << el[e] << "\"];" << endl;
- }
- }
- cout << "}" << endl;
+scalar_t diff_in_second(struct timeval *start, struct timeval *end) {
+ return
+ scalar_t(end->tv_sec - start->tv_sec) +
+ scalar_t(end->tv_usec - start->tv_usec)/1000000;
}
-//////////////////////////////////////////////////////////////////////
-
int main(int argc, char **argv) {
+ timeval start_time, end_time;
if(argc < 2) {
- cerr << argv[0] << " " << endl;
+ cerr << argv[0] << " " << endl;
exit(EXIT_FAILURE);
}
- ifstream *file = new ifstream(argv[1]);
+ ifstream *in_tracker = new ifstream(argv[1]);
- int nb_edges, nb_vertices;
- int source, sink;
+ if(in_tracker->good()) {
- if(file->good()) {
+ MTPTracker *tracker = new MTPTracker();
- (*file) >> nb_vertices >> nb_edges;
- (*file) >> source >> sink;
+ cout << "Reading " << argv[1] << "." << endl;
+ tracker->read(in_tracker);
- scalar_t *edge_lengths = new scalar_t[nb_edges];
- int *vertex_from = new int[nb_edges];
- int *vertex_to = new int[nb_edges];
- int *result_edge_occupation = new int[nb_edges];
+ cout << "Building the graph ... "; cout.flush();
+ gettimeofday(&start_time, 0);
+ tracker->build_graph();
+ gettimeofday(&end_time, 0);
+ cout << "done (" << diff_in_second(&start_time, &end_time) << "s)." << endl;
- for(int e = 0; e < nb_edges; e++) {
- (*file) >> vertex_from[e] >> vertex_to[e] >> edge_lengths[e];
- }
+ cout << "Tracking ... "; cout.flush();
+ gettimeofday(&start_time, 0);
+ tracker->track();
+ gettimeofday(&end_time, 0);
+ cout << "done (" << diff_in_second(&start_time, &end_time) << "s)." << endl;
- find_best_paths(nb_vertices, nb_edges,
- vertex_from, vertex_to, edge_lengths,
- source, sink,
- result_edge_occupation);
+ ofstream out_traj("result.trj");
+ tracker->write_trajectories(&out_traj);
+ cout << "Wrote result.trj" << endl;
- dot_print(nb_vertices, nb_edges,
- vertex_from, vertex_to, edge_lengths,
- source, sink,
- result_edge_occupation);
+ ofstream out_dot("graph.dot");
+ tracker->print_graph_dot(&out_dot);
+ cout << "Wrote graph.dot" << endl;
- delete[] result_edge_occupation;
- delete[] edge_lengths;
- delete[] vertex_from;
- delete[] vertex_to;
+ delete tracker;
} else {
cerr << "Can not open " << argv[1] << endl;
-
- delete file;
exit(EXIT_FAILURE);
}
- delete file;
+ delete in_tracker;
+
exit(EXIT_SUCCESS);
}