The appearance variation cue for obstacle avoidance. - Guido C. H. E. de Croon; E. de Weerdt; Christophe De Wagter; B. D. W. Remes (ROBIO, 2010)

The Appearance Variation Cue for Obstacle Avoidance. - Guido C. H. E. de Croon; E. de Weerdt; Christophe De Wagter; B. D. W. Remes; Rick Ruijsink (IEEE Trans. Robotics, 2012)