As human-computer interaction increasingly focuses on mediated interactions among groups of individuals, there is a need to develop techniques for measurement and analysis of grou...
The mean shift algorithm is widely applied for nonparametric clustering in Euclidean spaces. Recently, mean shift was generalized for clustering on matrix Lie groups. We further e...
Persistence of conversations has been found to be a useful feature in group chat tools. When conversations are stored and made accessible to all members of a group, they can facil...
In this paper, we address the task of tracking groups of people in surveillance scenarios. This is a major challenge in computer vision, since groups are structured entities, subj...
During the different phases of a project, stakeholders have different communication needs and make use of different communication media to satisfy them. A group memory system must...