TY - JOUR T1 - OPsCV: A Robust Framework for Aerial Navigation under Global Positioning System Denied Conditions JO - Journal of Aerospace Technology and Management A1 - Xavier, Nathan Augusto Zacarias A1 - Shiguemori, Elcio Hideiti A1 - Maximo, Marcos Ricardo Omena de Albuquerque SN - 2175-9146 UL - 10.1590/jatm.v18.1413 VL - 18 Y1 - 2026 PB - Brasil ER -