CONF Sheikhi_HBU_2012/IDIAP Recognizing the Visual Focus of Attention for Human Robot Interaction Sheikhi, Samira Khalidov, Vasil Odobez, Jean-Marc Gaze HCI HRI EXTERNAL http://publications.idiap.ch/attachments/papers/2012/Sheikhi_HBU_2012.pdf PUBLIC IEEE International Conference on Intelligent Robots and Systems (IROS) - Human Behavior Understanding Workshop(IROS-HBU) 2012