QR-Code Based Visual Servoing and Target Recognition to Improve Payload Release Accuracy in Air Delivery Missions using Fully Autonomous Quad-Copter UAV. Recursive Journal of Informatics, [S. l.], v. 3, n. 1, p. 59–67, 2025. DOI: 10.15294/rji.v3i1.4430. Disponível em: https://journal.unnes.ac.id/journals/rji/article/view/4430. Acesso em: 5 dec. 2025.