Current methods to represent system or task usability in a single metric do not include all the ANSI and ISO defined usability aspects: effectiveness, efficiency & satisfactio...
Although slideshow presentation applications, such as PowerPointTM have been popular for years, the techniques commercially available to control them rely on mouse and keyboard, w...
The ever decreasing size of information devices these days does not allow even the space for small input devices such as a touchpad or a 3x4 keypad. We introduce here an input dev...
We apply HCI design principles to redesign the dashboard of the automobile to address the problem of speeding. We prototyped and evaluated a new speedometer designed with the expl...
Video-mediated communication systems such as teleconferencing and videophone have become popular. As with face-to-face communication, non-verbal cues such as gaze, facial expressi...