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Systematic error in judging distances in virtual environments is one of the most interesting problems in perceptual studies of virtual environments. The causes of this error are not known. This paper presents an experiment designed to investigate distance perception in virtual environments using the method of distance bisection (fractionation). Most other(More)
This paper evaluates the combination of two methods for adapting bipedal locomotion to explore virtual environments displayed on head-mounted displays (HMDs) within the confines of limited tracking spaces. We combine a method of changing the optic flow of locomotion, effectively scaling the translational gain, with a method of intervening and manipulating a(More)
In this paper, we use an immersive virtual environment to assess the separation, or "gap," between moving vehicles that people need before initiating a street crossing in a roundabout, where traffic can be approaching from several directions. From a pedestrians viewpoint, crossing at a roundabout can represent a more complex decision than at a normal linear(More)
This paper presents a mixed reality system for combining real robots, humans, and virtual robots. The system tracks and controls physical robots in local physical space, and inserts them into a virtual environment (VE). The system allows a human to locomote in a VE larger than the physically tracked space of the laboratory through a form of redirected(More)
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