Behavioral Engagement Assessment in University Classrooms via Deep Learning-based Video Object Detection0 views•2026•Engineering•Topical CollectionMiaomiao Feng1, Xiaofeng Han2Miaomiao Feng1Xiaofeng Han21College of Foreign Languages, Shandong University of Science and Technology, 2College of Mathematics and Systems Science, Shandong University of Science and TechnologyCollege of Foreign Languages, Shandong University of Science and TechnologyCollege of Mathematics and Systems Science, Shandong University of Science and Technology