Abstract--This paper presents a survey of trajectory-based activity analysis for visual surveillance. It describes techniques that use trajectory data to define a general set of ac...
We present a novel approach for automatically discovering spatio-temporal patterns in complex dynamic scenes. Similarly to recent non-object centric methods, we use low level visu...
Nowadays multi-user VR systems are mostly aimed to social interaction, whereas exploitation of shared virtual environment for educational purposes has been mainly left aside. We i...
In educational settings, current digital technologies often work counter-productive because people using them experience separation and isolation. This paper describes a set of mul...
Jan Schneider, Jan Derboven, Kris Luyten, Chris Vl...
In this paper, we present a new type of Marking menus. Continuous Marking Menus are specifically dedicated to penbased interfaces, and designed to define a set of cursive, reali...