A comparison of two camera configurations for optic-flow based navigation of a UAV through urban canyons.
Hrabar, Stefan; Sukhatme, Gaurav S.: A comparison of two camera configurations for optic-flow based navigation of a UAV through urban canyons. 2004 IEEE/RSJ International Conference on Intelligent Robots and Systems, Sendai, Japan, September 28 - October 2, 2004, pp. 2673-2680, IEEE, 2004