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Iconic gestures are pictorial gestures, which depict entities, objects or actions. Humans perform iconic gestures to refer to entities through embodying their shapes. For instance, people often gesture the outline of an object (e.g. a circle for a ball) when referring to it during communication.

29 subjects (20 males and 9 females) were asked to perform gestures to refer to 20 different virtual 3D objects. Using MS Kinect™, in total 1739 gesture performances were captured each in three formats: color video, depth video and motion of the tracked skeleton (as 3D positions of 20 joints in 30 fps).

Project website: http://projects.ict.usc.edu/3dig/