Cosmetics.

[mtp.git] / mtp.cc

diff --git a/mtp.cc b/mtp.cc
index 60e15db..61dcc21 100644 (file)
--- a/mtp.cc
+++ b/mtp.cc
@@ -1,7 +1,7 @@
 
 /*
- *  mtp is the ``Multi Tracked Path'', an implementation of the
- *  k-shortest path algorithm for multi-target tracking.
+ *  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>
@@ -22,16 +22,22 @@
  *
  */
 
-// Multi-Tracked Path
-
 #include <iostream>
 #include <fstream>
+#include <sys/time.h>
 
 using namespace std;
 
-#include "tracker.h"
+#include "mtp_tracker.h"
+
+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] << " <tracker file>" << endl;
@@ -42,13 +48,22 @@ int main(int argc, char **argv) {
 
   if(in_tracker->good()) {
 
-    Tracker *tracker = new Tracker();
+    MTPTracker *tracker = new MTPTracker();
 
+    cout << "Reading " << argv[1] << "." << endl;
     tracker->read(in_tracker);
-    cout << "Read " << argv[1] << endl;
 
+    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;
+
+    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;
 
     ofstream out_traj("result.trj");
     tracker->write_trajectories(&out_traj);