J. Barbot, M. Fliess, and T. Floquet, An algebraic framework for the design of nonlinear observers with unknown inputs, 2007 46th IEEE Conference on Decision and Control, 2007.
DOI : 10.1109/CDC.2007.4434695
URL : https://hal.archives-ouvertes.fr/inria-00172366

J. Barbot, D. Boutat, and T. Floquet, An observation algorithm for nonlinear systems with unknown inputs, Automatica, vol.45, issue.8, 1970.
URL : https://hal.archives-ouvertes.fr/inria-00391819

G. Basile and G. Marro, On the observability of linear, time-invariant systems with unknown inputs, Journal of Optimization Theory and Applications, vol.3, issue.6, pp.410-415, 1969.
DOI : 10.1007/BF00929356

W. Chen and M. Saif, Unknown input observer design for a class of nonlinear systems: an LMI approach, IEEE American Control Conference, 2006.

M. Darouach, M. Zasadzinski, and S. J. Xu, Fullorder observers for linear systems with unknown inputs, IEEE Transactions on Automatic Control, vol.39, issue.3, 1994.
URL : https://hal.archives-ouvertes.fr/hal-00098125

T. Floquet and J. Barbot, A sliding mode approach of unknown input observers for linear systems, 2004 43rd IEEE Conference on Decision and Control (CDC) (IEEE Cat. No.04CH37601), 2004.
DOI : 10.1109/CDC.2004.1430293

T. Floquet, C. Edwards, and S. Spurgeon, On sliding mode observers for systems with unknown inputs, 2007.
URL : https://hal.archives-ouvertes.fr/inria-00171472

Y. Guan and M. Saif, A novel approach to the design of unknown input observers, IEEE Transactions on Automatic Control, vol.36, issue.5, 1991.
DOI : 10.1109/9.76372

R. Guidorzi and G. Marro, On Wonham stabilizability condition in the synthesis of observers for unknown-input systems, IEEE Transactions on Automatic Control, vol.16, issue.5, pp.499-500
DOI : 10.1109/TAC.1971.1099766

Q. P. Ha and H. , Trinh State and input simultaneous estimation for a class of nonlinear systems Automatica, p.40, 2004.

H. Hammouri and Z. Tmar, Unknown input observer for state affine systems: A necessary and sufficient condition, Automatica, vol.46, issue.2, pp.271-278, 2010.
DOI : 10.1016/j.automatica.2009.11.004
URL : https://hal.archives-ouvertes.fr/hal-00433551

R. Hermann and A. J. Krener, Nonlinear Controllability and Observability, Transaction On Automatic Control, pp.22-728, 1977.

M. Hou and P. , Mller Design of observers for linear systems with unknown inputs, IEEE Transactions on Automatic Control, vol.37, issue.6, 1992.

A. Isidori, Nonlinear Control Systems, 1995.

D. Koenig and S. Mammar, Design of a class of reduced order unknown inputs nonlinear observer for fault diagnosis, Proceedings of the 2001 American Control Conference. (Cat. No.01CH37148), 2001.
DOI : 10.1109/ACC.2001.946064
URL : https://hal.archives-ouvertes.fr/hal-00232860

D. Koening, B. Marx, and D. , Jacquet Unknown input observers for switched nonlinear discrete time descriptor system, IEEE Transactions on Automatic Control, vol.53, issue.1, 2008.

A. Martinelli, Visual-inertial structure from motion: Observability vs minimum number of sensors, 2014 IEEE International Conference on Robotics and Automation (ICRA), 2014.
DOI : 10.1109/ICRA.2014.6906979
URL : https://hal.archives-ouvertes.fr/hal-00962228

A. Martinelli, Observability Properties and Deterministic Algorithms in Visual-Inertial Structure from Motion , Foundations and Trends in Robotics, pp.139-209, 2014.

A. Martinelli, Minimalistic sensor design in visualinertial structure from motion, to be presented at the International Conference on Robotics and Automation, 2015.

A. Martinelli, Non linear Unknown Input Observability: Extension of the observability rank condition and the case of a single unknown input, AUTOMATICA under review (available on line on the HAL archive https

S. H. Wang, E. J. Davison, and P. , Dorato Observing the states of systems with unmeasurable disturbance, IEEE Transactions on Automatic Control, p.20, 1975.

F. Yang and R. W. , Wilde Observer for linear systems with unknown inputs, IEEE Transactions on Automatic Control, vol.33, issue.7, 1988.