We introduce Amigo ? an Instant Messaging (IM) client for handheld computers. Amigo allows free-form images as well as handwriting to be sent between people, taking advantage of t...
From working with location-based information systems we know that positioning is problematic. A different approach was tested, where users themselves were allowed to name and defi...
Ubiquitous computing is increasingly becoming reality, even for people outside of research. A group that will have to face the challenges of this new technology is product and ind...
In video communication systems, gaze is an important topic and is widely being studied. Unlike other studies, displaying user's reflections on the video screen we stopped imi...
This paper describes preliminary results of research on the perception and usability of interfaces projected onto realworld objects. Using a projector setup that enables us to com...
Mark Podlaseck, Claudio S. Pinhanez, Nancy Alvarad...