Yuan-Hsiang Chang and Pin-Chi Lin and Li-Der Jeng, Automatic Motion Trajectory Analysis for Dual Human Interaction Using Video Sequences . journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2015, vol. 101(5). 1329 - 1336 [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10001733.