Exploiting the Flexibility of Vision-Based User Interactions

The expressiveness and subtlety of hand gestures, combined with the freedom of visual gesture recognition provides the potential to create user interfaces of unprecedented bandwidth and flexibility. Without some type of structure, however, these very aspects can make gesture-based interfaces impractically complex for both the user and the interpretation system. We will elaborate on this idea, then present a vision system that provides a well defined framework for creating gesture-based interfaces for realistic applications, while retaining much of the flexibility that makes such interfaces so attractive. This framework, using configurations of targeted gesture widgets, shares many similarities to existing user interface design concepts, thus easing the transition to gesture-based interfaces. We finish by describing an extension to that framework which places the design and layout of the interface in the hands of the user, rather than the application designer with a novel approach based on visible artifacts that can be placed in the environment to define the gestures which make up the interface.

By: Rick Kjeldsen

Published in: RC23560 in 2005


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