Skip to main content
. Author manuscript; available in PMC: 2009 Dec 2.
Published in final edited form as: Int J Artif Intell Tools. 2009 Jun 1;18(3):379–397. doi: 10.1142/S0218213009000196

Fig. 3.

Fig. 3

Representative scenes for the three indoor tests. (a): Marker perpendicular to the corridor wall. (b): Marker flush with the corridor wall. (c): Marker in cluttered conference room.