A. E. Johnson and J. F. Montgomery, Overview of Terrain Relative Navigation Approaches for Precise Lunar Landing, 2008 IEEE Aerospace Conference, pp.1-10, 2008.
DOI : 10.1109/AERO.2008.4526302

F. Ruffier and N. Franceschini, Optic flow regulation: the key to aircraft automatic guidance, Robotics and Autonomous Systems, vol.50, issue.4, pp.177-194, 2005.
DOI : 10.1016/j.robot.2004.09.016

B. Hérissé, T. Hamel, R. Mahony, and F. Russotto, A terrain-following control approach for a VTOL Unmanned Aerial Vehicle using average optical flow, Autonomous Robots, vol.22, issue.1, pp.381-399, 2010.
DOI : 10.1007/s10514-010-9208-x

G. Barrows and C. Neely, <title>Mixed-mode VLSI optic flow sensors for in-flight control of a micro air vehicle</title>, Critical Technologies for the Future of Computing, pp.52-63, 2000.
DOI : 10.1117/12.409204

S. Griffiths, J. Saunders, A. Curtis, B. Barber, T. Mclain et al., Maximizing miniature aerial vehicles, IEEE Robotics & Automation Magazine, vol.13, issue.3, pp.34-43, 2006.
DOI : 10.1109/MRA.2006.1678137

F. Ruffier and N. Franceschini, Aerial robot piloted in steep relief by optic flow sensors, 2008 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp.1266-1273, 2008.
DOI : 10.1109/IROS.2008.4651089

A. Beyeler, J. Zufferey, and D. Floreano, OptiPilot: control of takeoff and landing using optic flow, European Micro Aerial Vehicle Conference (EMAV), 2009.

F. Kendoul, K. Nonami, I. Fantoni, and R. Lozano, An adaptive vision-based autopilot for mini flying machines guidance, navigation and control, Autonomous Robots, vol.22, issue.1, pp.165-188, 2009.
DOI : 10.1007/s10514-009-9135-x
URL : https://hal.archives-ouvertes.fr/hal-00445648

B. Hérissé, T. Hamel, R. Mahony, and F. Russotto, The landing problem of a VTOL Unmanned Aerial Vehicle on a moving platform using optical flow, 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp.77-89, 2012.
DOI : 10.1109/IROS.2010.5652633

G. Sabiron, P. Chavent, T. Raharijaona, P. Fabiani, and F. Ruffier, Low-speed optic-flow sensor onboard an unmanned helicopter flying outside over fields, 2013 IEEE International Conference on Robotics and Automation, 2013.
DOI : 10.1109/ICRA.2013.6630806
URL : https://hal.archives-ouvertes.fr/hal-00820264

F. Valette, F. Ruffier, S. Viollet, and T. Seidl, Biomimetic optic flow sensing applied to a lunar landing scenario, 2010 IEEE International Conference on Robotics and Automation, pp.2253-2260, 2010.
DOI : 10.1109/ROBOT.2010.5509364
URL : https://hal.archives-ouvertes.fr/hal-01446804

V. Medici, G. Orchard, S. Ammann, G. Indiveri, and S. Fry, Neuromorphic computation of optic flow data Bio-inspired landing using biomorphic vision sensors, 2010.

D. Izzo and G. De-croon, Nonlinear model predictive control applied to vision-based spacecraft landing, Proceedings of the EuroGNC 2013, 2nd CEAS Specialist Conference on Guidance, Navigation & Control, pp.91-107, 2013.

D. Izzo, N. Weiss, and T. Seidl, Constant-Optic-Flow Lunar Landing: Optimality and Guidance, Journal of Guidance, Control, and Dynamics, vol.34, issue.5, pp.1383-1395, 2011.
DOI : 10.2514/1.52553

D. Izzo and G. De-croon, Landing with Time-to-Contact and Ventral Optic Flow Estimates, Journal of Guidance, Control, and Dynamics, vol.35, issue.4, pp.1362-1367, 2011.
DOI : 10.2514/1.56598

G. Sabiron, T. Raharijaona, L. Burlion, E. Kervendal, E. Bornschlegl et al., Sub-optimal Lunar Landing GNC using Non-gimbaled Bio-inspired Optic Flow Sensors, IEEE Transactions on Aerospace and Electronic Systems
URL : https://hal.archives-ouvertes.fr/hal-01270504

T. Jean-marius and S. Trinh, Integrated Vision and Navigation for Planetary Exploration -Final Report, Aérospatiale Espace & Défense, 1999.

J. Koenderink and A. Doorn, Facts on optic flow, Biological Cybernetics, vol.203, issue.4, pp.247-254, 1987.
DOI : 10.1007/BF00365219

A. Argyros, D. Tsakiris, and C. Groyer, Biomimetic centering behavior, IEEE Robotics & Automation Magazine, vol.11, issue.4, pp.21-30, 2004.
DOI : 10.1109/MRA.2004.1371612

P. Falugi, E. Kerrigan, and E. Van-wyk, Imperial College London Optimal Control Software User Guide (ICLOCS), 2010.

H. K. Khalil and J. Grizzle, Nonlinear systems, Prentice hall Upper Saddle River, vol.3, 2002.

G. Sabiron, J. G. , E. Kervendal, E. Bornschlegl, T. Raharijaona et al., Backup state observer based on Optic Flow applied to lunar landing, 2014 IEEE/RSJ International Conference on Intelligent Robots and Systems, p.2014
DOI : 10.1109/IROS.2014.6942877
URL : https://hal.archives-ouvertes.fr/hal-01021322