F. Kaplan and V. Hafner, The challenges of joint attention The challenges of joint attention, Interaction Studies, vol.7, issue.2, pp.135-169, 2006.

M. Imai, T. Ono, and H. Ishiguro, Physical relation and expression: joint attention for human-robot interaction, Industrial Electronics, IEEE Transactions on, vol.50, issue.4, pp.636-643, 2003.

H. Jian, Development of the joint attention with a new face tracking method for multiple people, Advanced robotics and Its Social Impacts, pp.1-6, 2008.

Y. Nagai, K. Hosoda, and M. Asada, How does an infant acquire the ability of joint attention?: A Constructive Approach, pp.91-98, 2003.

B. Scassellati, Imitation and Mechanisms of Joint Attention: A Developmental Structure for Building Social Skills on a Humanoid Robot, vol.1562, 1999.

J. Brooks, G. Gray, A. Hoffman, H. Lockerd, C. Lee et al., Robot's Play: Interactive Games with Sociable Machines, ACM Computers in Entertainment, vol.2, issue.3, pp.1-18, 2004.

J. Trafton, . Gregory, N. L. Cassimatis, M. D. Bugajska, D. P. Brock et al., Enabling Effective Human-robot Interaction Using Perspective-taking in, Robots IEEE Transactions on Systems, Man, and Cybernetics, Part A, pp.460-470, 2005.

C. Breazeal, . Berlin, . Matt, . Brooks, . Andrew et al., Using Perspective Taking to Learn from Ambiguous Demonstrations, Robotics and Autonomous Systems, pp.385-393, 2006.

M. Berlin, J. Gray, A. L. Thomaz, and C. Breazeal, Perspective Taking: An Organizing Principle for Learning in HumanRobot Interaction, International Conf. on Artificial Intelligence, AAAI, 2006.

H. Zhang, D. Manocha, T. Hudson, and K. Hoff, Visibility Culling Using Hierarchical Occlusion Map, Proceedings of SIGGRAPH, 1997.

J. Chhugani, . Purnomo, . Burdirijant, . Krishnan, C. Shanka et al., vLOD : High-Fidelity Walkthrough of large Virtual environments, IEEE Transactions on Visualization and Computer Graphics, vol.11, issue.1, 2005.

P. Mueller, P. Wonka, S. Haegler, A. Ulmer, and L. Van-gool, Procedural Modeling of Buildings, vol.25, pp.614-623, 2006.

M. , A. Menchaca-brandan, A. M. Liu, C. M. Oman, and A. Natapoff, Influence of Perspective-taking and Mental Rotation Abilities iin Space Teleoperation, HRI '07:Proceeding of the ACM/IEEE international conference on Human-robot interaction, 2007.

J. Faust, C. Simon, and W. D. Smart, A Video Gamebased Mobile Robot Simulation Environment, Proc. of IEEE/RSJ International Conference on Intelligent Robots and Systems, 2006.

S. W. Hsu, L. , and T. Y. , Third-Person Interactive Control of Humanoid with Real-Time Motion Planning Algorithm, IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS, 2006.

M. Johnson and Y. , Demiris Perceptual Perspective Taking And Action Recognition, International Journal of Advanced Robotic Systems, vol.2, issue.4, pp.301-308, 2005.

T. Siméon, J. P. Laumond, and F. Lamiraux, Move3D: a generic platform for motion planning, 4th International Symposium on Assembly and Task Planning, 2001.

S. Fleury, M. Herrb, and R. Chatila, Genom: a tool for the specification and the implementation of operating modules in a distributed robot architecture IEEE, 1997.

E. , A. Sisbot, L. F. Marin-urias, and R. Alami, Spatial Reasoning for Human Robot Interaction, Proc in (IEEE/RSJ) International Conference on Intelligent Robots and Systems, vol.07, 2007.

F. Luis, E. Marin-urias, A. Sisbot, and R. Alami, Geometric Tools for Perspective Taking for Human-Robot Interaction Seventh Mexican International Conference on Artificial Intelligence, 2008.

G. Notger, M. Muller, A. Mollenhauer, A. Rosler, and . Kleinschmidt, The attentional field has a Mexican hat distribution, Journal on Vision Research, vol.45, issue.9, pp.1129-1137, 2005.