WARAJI: foot-driven navigation interfaces for virtual reality applications
PCM'04 Proceedings of the 5th Pacific Rim conference on Advances in Multimedia Information Processing - Volume Part III
How natural is a natural interface? An evaluation procedure based on action breakdowns
Personal and Ubiquitous Computing
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Technological limitations on current interfaces havemade researches to develop new devices to interact with objectsin the virtual environment. The goal of this project isto develop and build a hands-free navigation system to beintegrated into virtual environments. One of the most importantfields in virtual realty (VR) research, is the developmentof systems that allow the user to interface with thevirtual environment. The most intuitive method for movingthrough a virtual landscape is by walking. The implementationof a walking interface for a virtual reality system alsoallows a greater range of biomechanical experimentationand game research. Systems ranging from different platformshave already been implemented to produce virtualwalking; however, these systems have been designed primarilyfor use with head mounted display systems. We believethat hands-free navigation, unlike the majority of navigationtechniques based on hand motions, has the greatestpotential for maximizing the interactivity of virtual environments,due to more direct motion of the feet. To make thispossible, we created a new and simple device using accelerationsensors to detect ankle movements within the virtualenvironment. The acceleration sensors are attached tothe foot and detect movement based on direction for threedifferent angles. This experimentation could prove beneficial in future virtual gaming. Validation of our approach is given by discussion and illustration of some results.