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\bibitem{2811} Angel Sappa, Cristhian A. Aguilera-Carrasco, Juan A. Carvajal Ayala, Miguel Oliveira, Dennis Romero, Boris X. Vintimilla, et al. (2016). Monocular visual odometry: A cross-spectral image fusion based approach. \textit{RAS - Robotics and Autonomous Systems}, \textit{85}, 26--36.

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