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An Evaluation of Techniques for Controlling the Speed of Travel in Immersive V.E

While traveling in immersive virtual environments (VEs), a number of navigation techniques are used to enhance one's sense of presence. Velocity control is commonly used to increase interactivity; with an effective velocity control technique, people can easily navigate a large-scale virtual environment. In this paper, five commonly used velocity control techniques are evaluated. In our experiment, twenty subjects use each velocity control technique to travel through various virtual corridors. In all cases, the participants use Pointing [1] to indicate direction of travel. Each user is requested to perform an information-gathering task to measure their ability to remember specific words and their locations in the environment. Additionally, we evaluate each technique by con-ducting qualitative analysis and measure the sense of presence using the Steed-Usoh-Slater (SUS) presence questionnaires.