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Stereoscopy techniques such as anaglyph, shutter glasses and polarized glasses are used as resources to offer a sense of immersion in three-dimensional virtual environments. These techniques use different mechanisms to cause depth perception in the human brain when observing a scene or image. Although there are many virtual reality studies that employ such techniques, little has been done to measure...
Here we investigate the effect of sound on the perception of visual realism and the time required to complete a simple navigation-based task within a serious gaming (virtual) environment under various sound and visual conditions. Results indicate that the perception of visual realism and task completion time can be affected by sound. Designers and developers of serious games (and virtual environments...
In this paper, we describe several experiments whose goal is to evaluate the role of plantar vibrotactile feedback in enhancing the realism of walking experiences in multimodal virtual environments. To achieve this goal we built an interactive and a noninteractive multimodal feedback system. While during the use of the interactive system subjects physically walked, during the use of the noninteractive...
In this paper we describe an experiment whose goal is to investigate the role of physics-based auditory and haptic feedback provided at feet level to enhance realism in a virtual environment. To achieve this goal, we designed a multimodal virtual environment where subjects could walk on a platform overlooking a canyon. Subjects were asked to visit the environment wearing an head-mounted display and...
The study explored the impact of physically touching a virtual object on how realistic the VE seems to the user. Subjects in a "no touch" group picked up a 3D virtual image of a kitchen plate in a VE, using a traditional 3D wand. "See and touch" subjects physically picked up a virtual plate possessing solidity and weight, using a mixed-reality force feedback technique. Afterwards,...
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