Distance Estimation and Simulation Training

Garrett Morawiec, K. Niall, K. Scullion
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Abstract

An experiment was conducted to determine how feedback training affects distance estimation, in simulation. Eighteen subjects participated in this experiment and training was conducted using a night vision simulation of an original scene. Testing was performed on a PC desktop computer running VegaPrime to simulate light source halos in an open field. Subjects were exposed to three flash types; five flashes, single flash, and a prolonged flash. Flashes were presented to the subjects both above and below the horizon. There were significant improvements for the group that received feedback training; their accuracy in distance estimation persisted for two weeks, but with some deterioration in scores.  Immediate feedback is an effective training technique, but simulation software must be realistic in reproducing the gamut of depth cues for naturalistic environments for effective training.
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距离估计和模拟训练
在模拟中进行了一个实验,以确定反馈训练如何影响距离估计。18名受试者参加了本实验,并使用模拟原始场景的夜视进行训练。测试在运行VegaPrime的PC台式计算机上进行,以模拟开放场地中的光源光晕。受试者暴露于三种闪光类型;五次闪光,一次闪光,还有一次长时间闪光。闪光同时出现在地平线上和地平线下。接受反馈培训的那一组有显著的改善;他们在距离估计上的准确性持续了两周,但分数有所下降。即时反馈是一种有效的训练技术,但模拟软件必须在为有效训练的自然环境再现深度线索的范围方面是现实的。
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