Many on-line interaction environments have a large number of users. It is difficult for the participants, especially new ones, to form a clear mental image about those with whom t...
Freehand sketching has long had appeal as an artistic medium for conceptual design because of its immediacy in capturing and communicating design intent and visual experience. We ...
Nested User Interface Components combine the concepts of Zooming User Interfaces (ZUIs) with recursive nesting of active graphical user interface widgets. The resulting system of ...
This paper describes a novel physical icon [3] or “phicon-” based system that can be programmed to issue a range of commands about what the user wishes to do with handdrawn wh...
Darnell J. Moore, Roy Want, Beverly L. Harrison, A...
Diagram manipulation in conventional CAD systems requires frequent mode switching and explicit placement of the pivot for rotation and scaling. In order to simplify this process, ...
The VideoMouse is a mouse that uses a camera as its input sensor. A real-time vision algorithm determines the six degree-of-freedom mouse posture, consisting of 2D motion, tilt in...
Ken Hinckley, Mike Sinclair, Erik Hanson, Richard ...