Multi-point interaction tasks involve the manipulation of several mutually-dependent control points in a visual workspace ? for example, adjusting a selection rectangle in a drawi...
Many authors in the field of 3D human computer interaction have described the advantages of 3D user interfaces: Intuitive metaphors from daily life, immersive workspaces, virtual ...
This paper discusses possibilities and problems arising in the design of usable interactive systems when both visual and haptic interaction modes are available. Communicational an...
The context of a collective activity is characterized by all information produced during the activity. The comprehension of this context by each actor is essential for the success...
We present a set of graphical user interface elements, called widgets, for 2-dimensional visual codes. The proposed widgets are suitable for printing on paper as well as showing o...