Canlas, F. Q., Tiocson, G. U., Caraig, C. M. D. C. and Alon, A. S. (2021) “Maintaining the use of face maks in an indoor establishment conforming with the COVID-19 protocols thru computer vision model: an approach to detect mouth as region of interest ”, International Research Journal on Innovations in Engineering, Science and Technology, 7, pp. 33–38. Available at: https://ojs.batstate-u.edu.ph/index.php/IRJIEST/article/view/65 (Accessed: 23 November 2024).