Design of a multi-media vehicle for social browsing
CSCW '88 Proceedings of the 1988 ACM conference on Computer-supported cooperative work
A framework for understanding the workspace activity of design teams
CSCW '88 Proceedings of the 1988 ACM conference on Computer-supported cooperative work
A use of drawing surfaces in different collaborative settings
CSCW '88 Proceedings of the 1988 ACM conference on Computer-supported cooperative work
VideoDraw: a video interface for collaborative drawing
CHI '90 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
TeamWorkStation: towards a seamless shared workspace
CSCW '90 Proceedings of the 1990 ACM conference on Computer-supported cooperative work
Experiences in the use of a media space
CHI '91 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Toward an open shared workspace: computer and video fusion approach of TeamWorkStation
Communications of the ACM
ACM SIGCHI Bulletin
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Through the experimental use of TeamWorkStation, we found the most serious problem is the smallness of the shared screen space. In order to fully use the limited screen space, this paper proposed a new multiuser interface design technique "ClearFace". The face windows are translucent and overlay the shared workspace window. We implemented a prototype of ClearFace system on a TeamWorkStation. Several types of face window layout strategies were tested: fixed location windows (right side, left side, top) and movable windows. Through experimental design sessions, we experienced little difficulty in switching our focus between the face images and drawing objects. The theory of selective looking accounts for this flexible perception mechanism. Although users can see draw objects behind a face with little difficulty, we found that users hesitate to draw figures or write texts over face images. Because of this behavior, we concluded that the movable strategy is the best. TeamWorkStation demonstrated the power of two different usage of translucent overlay technique: fused overlay of drawing surface images for seamless shared workspace, and selective overlay to save screen space.