G. Alenyà, A. Nègre, and J. L. Crowley, A comparison of three methods for measure of Time to Contact, 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp.4565-4570, 2009.
DOI : 10.1109/IROS.2009.5354024

S. Baker and S. K. Nayar, A theory of catadioptric image formation, Sixth International Conference on Computer Vision (IEEE Cat. No.98CH36271), pp.35-42, 1998.
DOI : 10.1109/ICCV.1998.710698

F. Z. Benamar, C. Demonceaux, S. E. Fkihi, E. Mouaddib, and D. Aboutajdine, Time to contact estimation on paracatadioptric cameras, Pattern Recognition (ICPR), 2012 21th International Conference on, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00919650

T. Camus, Calculating time-to-contact using realtime quantized optical flow, National Institute of Standards and Technology NISTIR 5609, 1995.

G. Caron and D. Eynard, Multiple camera types simultaneous stereo calibration, 2011 IEEE International Conference on Robotics and Automation, 2011.
DOI : 10.1109/ICRA.2011.5979975

URL : https://hal.archives-ouvertes.fr/hal-01270416

G. Christopher and K. Daniilidis, A unifying theory for central panoramic systems and practical applications, Proceedings of the 6th European Conference on Computer Vision-Part II, ECCV '00, pp.445-461, 2000.

R. Cipolla and A. Blake, Image Divergence and Deformation from Closed Curves, The International Journal of Robotics Research, vol.4, issue.3, pp.77-96, 1997.
DOI : 10.1177/027836499701600106

C. Demonceaux and P. Vasseur, Markov random fields for catadioptric image processing, Pattern Recognition Letters, vol.27, issue.16, pp.1957-1967, 2006.
DOI : 10.1016/j.patrec.2006.05.007

URL : https://hal.archives-ouvertes.fr/hal-01205587

J. M. Galbraith, G. T. Kenyon, and R. W. Ziolkowski, Time-to-collision estimation from motion based on primate visual processing, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.27, issue.8, pp.1279-1291, 2005.
DOI : 10.1109/TPAMI.2005.168

B. K. Horn, Y. Fang, and I. Masaki, Hierarchical framework for direct gradient-based time-to-contact estimation, 2009 IEEE Intelligent Vehicles Symposium, pp.1394-1400, 2009.
DOI : 10.1109/IVS.2009.5164489

D. N. Lee, A theory of visual control of braking based on information about time-to-collision. Perception, pp.437-459, 1976.

M. I. Lourakis and S. C. Orphanoudakis, Using planar parallax to estimate the time-to-contact, Proceedings. 1999 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (Cat. No PR00149), 1999.
DOI : 10.1109/CVPR.1999.784993

B. Lucas and T. Kanade, An iterative image registration technique with an application to stereo vision, Proc. DARPA IU Workshop, pp.121-130, 1981.

F. G. Meyer, Time-to-collision from first-order models of the motion field -robotics and automation, IEEE Transactions on, vol.10, issue.6, 1994.

A. Radgui, C. Demonceaux, E. M. Mouaddib, M. Rziza, and D. Aboutajdine, An adapted lucaskanade's method for optical flow estimation in catadioptric images, OMNIVIS'2008, the Eighth Workshop on Omnidirectional Vision, Camera Networks and Non-classical Cameras, 2008.

P. Shrinivas, P. Eli, and L. Gang, Time to collision and collision risk estimation from local scale and motion, Proceedings of the 7th international conference on Advances in visual computing -Volume Part I, pp.728-737, 2011.

M. Subbarao, Bounds on time-to-collision and rotational component from first-order derivatives of image flow, Computer Vision, Graphics, and Image Processing, pp.329-341, 1990.
DOI : 10.1016/0734-189X(90)90151-K

T. Svoboda and T. Pajdla, Matching in Catadioptric Images with Appropriate Windows, and Outliers Removal, Proceedings of the 9th International Conference on Computer Analysis of Images and Patterns , CAIP '01, pp.733-740, 2001.
DOI : 10.1007/3-540-44692-3_88

M. Tistarelli and G. Sandini, On the advantages of polar and log-polar mapping for direct estimation of time-to-impact from optical flow, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.15, issue.4, pp.401-410, 1992.
DOI : 10.1109/34.206959