Is opencv tracking like:
http://docs.opencv.org/3.1.0/d2/d0a/tutorial_introduction_to_tracker.html#gsc.tab=0
or http://docs.opencv.org/3.1.0/d5/d07/tutorial_multitracker.html#gsc.tab=0
based on TLD? In which case, am i allowed to use it (as i understoood TLD was copyrighted/patented) ?