Paul C. Merrell, Dah-Jye Lee, Randal W. Beard. Obstacle avoidance for unmanned air vehicles using optical flow probability distributions. In Douglas W. Gage, editor, Mobile Robots XVII, Philadelphia, PA, USA, October 25, 2004. Volume 5609 of SPIE Proceedings, pages 13-22, SPIE, 2002. [doi]
Abstract is missing.