VideoDraw: a video interface for collaborative drawing
CHI '90 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Findings from observational studies of collaborative work
International Journal of Man-Machine Studies - Computer-supported cooperative work and groupware. Part 1
ClearBoard: a seamless medium for shared drawing and conversation with eye contact
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
One is not enough: multiple views in a media space
CHI '93 Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems
Illumination-Invariant Change Detection Using a Statistical Colinearity Criterion
Proceedings of the 23rd DAGM-Symposium on Pattern Recognition
Comparing remote gesture technologies for supporting collaborative physical tasks
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
HoloPort - A Device for Simultaneous Video and Data Conferencing Featuring Gaze Awareness
VR '06 Proceedings of the IEEE conference on Virtual Reality
Turn it this way: grounding collaborative action with remote gestures
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Remote gesture visualization for efficient distant collaboration using collocated shared interfaces
IASTED-HCI '07 Proceedings of the Second IASTED International Conference on Human Computer Interaction
CW '10 Proceedings of the 2010 International Conference on Cyberworlds
Kinected conference: augmenting video imaging with calibrated depth and audio
Proceedings of the ACM 2011 conference on Computer supported cooperative work
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In this paper we present a mixed presence groupware device called "CollaBoard". The device improves collaboration between co-located and remote partners by providing a high level of workspace awareness. This is achieved by superimposing a life-size video showing the entire upper body of remote collaborators atop the displayed shared workspace. By doing so, the CollaBoard enriches the shared workspace with embodiments of remote collaborators. It shows pose, gaze and gestures of collaborators to their remote partners, and preserves the meaning of deictic gestures when pointing at displayed shared artifacts. The separate transmission of video and data allows the shared artifacts to remain editable at both conference sites. The functionality of two interconnected CollaBoard prototypes was verified in a public demonstration, a usability test, and a comparative user study.