A simplified real-time camera-based attention assessment system for classrooms: pilot study. - Abdulrahman Majed Renawi; Fady Alnajjar; Medha Mohan Ambali Parambil; Zouheir Trabelsi; Munkhjargal Gochoo; Sumaya Khalid; Omar Mubin (Educ. Inf. Technol., 2022)