H Hemanth Bharath Bhushan, B Honnaraju, L Hemanth Raj, T C Kishore, and V Likhith. 2020. “Automated Human Following Trolley Using Image and Video Processing”. International Journal of Computer Engineering in Research Trends 7 (7):6-12. https://www.ijcert.org/index.php/ijcert/article/view/598.