Recognizing
human’s intention correctly by observing external
phenomena such as his/her actions and environment changes,
is not an easy task and can be considered challenging research
because many other effects, such as the current situation and
emotions should be considered. However the first step is to
define some human’s intentional actions and to recognize the
actions. In this work, we defined four intentional basic actions
of human to the public service robot: ‘approach’, ‘depart’,
‘bypass’ and ‘stop’