Intercepting Virtual Ball in Immersive Virtual Environment.
Proceedings of the 2011 international conference on Virtual and mixed reality: new trends - Volume Part I(2011)
摘要
Catching a flying ball is a difficult task that requires sensory systems to calculate the precise trajectory of the ball to predict its movement, and the motor systems to drive the hand in the right place at the right time. In this paper we have analyzed the human performance in an intercepting task performed in an immersive virtual environment and the possible improvement of the performance by adding some feedback. Virtual balls were launched from a distance of 11m with 12 trajectories. The volunteers was equipped only with shutter glasses and one maker on backhand to avoid any constriction of natural movements. We ran the experiment in a natural scene, either without feedback or with acoustic feedback to report a corrects intercept. Analysis of performance shows a significant increment of successful trials in feedback condition. Experiment results are better with respect to similar experiment described in literature, but performances are still lower to results in real world.
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关键词
acoustic feedback,feedback condition,experiment result,human performance,similar experiment,difficult task,immersive virtual environment,intercepting task,natural movement,natural scene,virtual ball
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