Title: Gaze tracking, attention and interactive applications
Abstract: In humans, gaze direction and ocular behaviour is probably one of the rstdistant means of communication developed. Parents often try to understandwhat their baby looks at, and they deduce that the object observed attractshis/herinterest. Thisabilitytointeractwithsomeonebyatransitionalobjectis named joint attention .Kaplan says that among the fundamental prerequisites for the develop-ment of complex linguistic skills, the development of joint attention is prob-ably one of the hardest problems to be solved [8]. The biological signi canceof ocular behaviour and gaze direction in humans could be illustrated by twomain facts. The rst one is that in primates and more precisely in humansthe visual cortex is more developed than in other mammals.