A simulation environment for robot motion planning. - Alan Ettlin; Patrick Büchler; Hannes Bleuler (RoMoCo, 2005)

Rough-Terrain Robot Motion Planning based on Obstacleness. - Alan Ettlin; Hannes Bleuler (ICARCV, 2006)

Randomised Rough-Terrain Robot Motion Planning. - Alan Ettlin; Hannes Bleuler (IROS, 2006)

Learning semantic object parts for object categorization. - Bastian Leibe; Alan Ettlin; Bernt Schiele (Image Vis. Comput., 2008)