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Using Stereo Vision to Operate Mobile Telepresence Robots

The use of mobile telepresence robots (MTRs) is increasing. Very few MTRs have autonomous navigation systems. Thus teleoperation is usually still a manual task, and often has user experience problems. We believe that this may be due to (1) the fixed viewpoint and limited field of view of a 2D camera system and (2) the […] → Read More: Using Stereo Vision to Operate Mobile Telepresence Robots

Ego-Centric vs. Exo-Centric Tracking and Interaction in Smart Spaces

In the recent paper published at SUI 2014,”Exploring Gestural Interaction in Smart Spaces using Head-Mounted Devices with Ego-Centric Sensing”, co-authored with Barry Kollee and Tony Dunnigan, we studied a prototype Head Mounted Device (HMD) that allows the interaction with external displays by input through spatial gestures. In the paper, one of our goals was to […] → Read More: Ego-Centric vs. Exo-Centric Tracking and Interaction in Smart Spaces

AirAuth: Authentication through In-Air Gestures Instead of Passwords

At the CHI 2014 conference, we demonstrated a new prototype authentication system, AirAuth, that explores the use of in-air gestures for authentication purposes as an alternative to password-based entry. Previous work has shown that passwords or PINs as an authentication mechanism have usability issues that ultimately lead to a compromise in security. For instance, as […] → Read More: AirAuth: Authentication through In-Air Gestures Instead of Passwords

Improving the Expressiveness of Touch Input

Touch input is now the preferred input method on mobile devices such as smartphones or tablets. Touch is also gaining traction in the desktop segment and is also common for interaction with large table or wall-based displays. At present, the majority of touch displays can detect solely the touch location of a user input. Some […] → Read More: Improving the Expressiveness of Touch Input

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