Trinity College Dublin, Department of Computer Science
Watson, Richard. 'A Survey of Gesture Recognition Techniques'. - Dublin, Trinity College Dublin, Department of Computer Science, TCD-CS-1993-11, 1993, pp31
Computer Science Technical Report TCD-CS-1993-11
Processing speeds have increased dramatically, bitmapped displays allow graph
ics to be rendered and updated at increasing rates, and in general computers
have advanced to the point where they can assist humans in complex tasks.
Yet input technologies seem to cause the major bottleneck in performing these
tasks: under-utilising the available resources, and restricting the expressiveness
of application use.
We use our hands constantly to interact with things: pick them up, move
them, transform their shape, or activate them in some way. In the same unconscious way, we gesticulate in communicating fundamental ideas: 'stop', 'come
closer', 'over there', 'no', 'agreed', and so on. Gestures are thus a natural and
intuitive form of both interaction and communication.
This report develops the motivations for gestural input and surveys current
gesture recognition techniques. A recognition technique under development at
TCD, as part of the GLAD-IN-ART (EP5363) project, is also introduced.
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