Marco Mammarella, Giampiero Campa, Marcello R. Napolitano, Mario Luca Fravolini, Yu Gu, Mario G. Perhinschi. Machine Vision/GPS Integration Using EKF for the UAV Aerial Refueling Problem. IEEE Transactions on Systems, Man, and Cybernetics, Part A, 38(6):791-801, 2008. [doi]
Abstract is missing.