Update track_lib.py

track_lib.py

@@ -1,3 +1,13 @@
+
+/*
+ * Copyright ©2019 Gaoang Wang.  All rights reserved.  Permission is
+ * hereby granted for academic use.  No other use, copying, distribution, or modification
+ * is permitted without prior written consent. Copyrights for
+ * third-party components of this work must be honored.  Instructors
+ * interested in reusing these course materials should contact the
+ * author.
+ */
+
 from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
@@ -923,4 +933,4 @@ def extract_tracklet_feature(tracklet_mat, k, idx):
     tracklet_fea[14] = np.max(tracklet_mat['y_score_mat'][k,idx])
     tracklet_fea[15] = np.mean(tracklet_mat['y_score_mat'][k,idx])
     tracklet_fea[16] = np.std(tracklet_mat['y_score_mat'][k,idx])
-    return tracklet_fea
+    return tracklet_fea