As computers are increasingly used to mediate social interaction, tools are needed not only to support direct communication, but also to create a richer social environment for the...
Magnetic stripe cards are in common use for electronic payments and cash withdrawal. Reported incidents document that criminals easily pickpocket cards or skim them by swiping the...
In many applications transactions between the elements of an information hierarchy occur over time. For example, the product offers of a department store can be organized into pro...
Facial emotions and expressive facial motions have become an intrinsic part of many graphics systems and human computer interaction applications. The dynamics and high dimensional...
Gaze visualizations hold the potential to facilitate usability studies of interactive systems. However, visual gaze analysis in threedimensional virtual environments still lacks m...