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A Software System to Carry-out Virtual Experiments on Human Motion
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Presence: Teleoperators and Virtual Environments
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Presence: Teleoperators and Virtual Environments
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Presence: Teleoperators and Virtual Environments
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Presence: Teleoperators and Virtual Environments
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Presence: Teleoperators and Virtual Environments
Influence of the graphical levels of detail of a virtual thrower on the perception of the movement
Presence: Teleoperators and Virtual Environments
Proxemics with multiple dynamic characters in an immersive virtual environment
ACM Transactions on Applied Perception (TAP)
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Virtual thrower versus real goalkeeper: The influence of different visual conditions on performance
Presence: Teleoperators and Virtual Environments
Perceiving alterations in trajectories while throwing in a virtual environment
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Technical Section: A review of virtual environments for training in ball sports
Computers and Graphics
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Virtual reality offers new tools for human motion understanding. Several applications have been widely used in teleoperation, military training, driving and flying simulators, and so forth. We propose to test if virtual reality is a valid training tool for the game of handball. We focused on the duel between a handball goalkeeper and a thrower. To this end, we defined a pilot experiment divided into two steps: an experiment with real subjects and another one with virtual throwers. The throwers' motions were captured in order to animate their avatar in a reality center. In this paper, we focused on the evaluation of presence when a goalkeeper is confronting these avatars. To this end, we compared the goalkeeper's gestures in the real and in the virtual experiment to determine if virtual reality engendered the same movements for the same throw. Our results show that gestures did not differ between the real and virtual environment. As a consequence, we can say that the virtual environment offered enough realism to initiate natural gestures. Moreover, as in real games, we observed the goalkeeper's anticipation to allow us to use virtual reality in future work as a way to understand the goalkeeper and thrower interactions. The main originality of this work was to measure presence in a sporting application with new evaluation methods based on motion capture.