Alassaf, Yahya, and Yahia Said. “DPPNet: A Deformable-Perspective-Perception Network for Safety Helmet Violation Detection”. Engineering, Technology & Applied Science Research 14, no. 1 (February 8, 2024): 12659–12669. Accessed November 26, 2024. https://etasr.com/index.php/ETASR/article/view/6633.