VideoDraw: a video interface for collaborative drawing
CHI '90 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The VideoWindow system in informal communication
CSCW '90 Proceedings of the 1990 ACM conference on Computer-supported cooperative work
TeamWorkStation: towards a seamless shared workspace
CSCW '90 Proceedings of the 1990 ACM conference on Computer-supported cooperative work
Toward an open shared workspace: computer and video fusion approach of TeamWorkStation
Communications of the ACM
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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
Integration of inter-personal space and shared workspace: ClearBoard design and experiments
CSCW '92 Proceedings of the 1992 ACM conference on Computer-supported cooperative work
WYSIWIS revised: early experiences with multi-user interfaces
CSCW '86 Proceedings of the 1986 ACM conference on Computer-supported cooperative work
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TeamWorkStation-2 (TWS-2) is introduced to connect two sites with a desktop overlay service using narrowband ISDN (N-ISDN) and the CCITT H.261 standard. Based on the experience gained with TWS-1 use within NTT, we radically simplified the system architecture of TWS-2. Experimental sessions confirmed that TWS-2 is useful for freehand drawing and gesture-intensive design sessions even with the basic rate interface (2B+D). Video delay and jerkiness did not prevent users from concentrating on their task. We are convinced that TWS-2 has a big advantage over ordinary videophones as a narrowband ISDN service.