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Visual aspects of advanced sensors and helmet-mounted displays

机译：先进传感器和头盔显示器的视觉效果

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摘要

Visually coupled systems such as helmet mounted displays are designed to improve aircrew situational awareness by providing timely flight, targeting and other information overlaid on real or sensor-derived views of the external environment. Data can be presented in monocular, biocular or binocular fashion and are associated with visual conflicts and potential ophthalmic problems. Restricted sensor spectrum, limits of resolution, inherent system latency, the displaced visual input from remote sensors and restricted field of view may contribute to ophthalmic symptoms in aircrew. Disruption to binocularity and reliance on monocular cues for depth perception and hyperstereopsis from sensor-induced convergence disparity may cause distance estimation problems, whereas inappropriate accommodative stimuli and ocular dominance factors are common causes of eyestrain. Binocular rivalry from discordant imagery to each eye may compromise visual performance via several mechanisms. This article discusses the potential visual problems associated with visually coupled systems and the challenges of integrating complex systems with the aircrew interface.
机译：诸如头盔显示器之类的视觉耦合系统旨在通过提供及时的飞行，目标瞄准和其他信息，这些信息叠加在外部环境的真实或传感器派生视图上，从而提高机组人员的态势意识。数据可以单目，双目或双目方式显示，并与视觉冲突和潜在的眼科问题相关。传感器频谱受限，分辨率限制，系统固有延迟，远程传感器的视觉输入位移以及视野受限可能会导致机组人员眼科症状。破坏双眼并依靠单眼线索进行深度感知和由于传感器引起的会聚差异引起的立体定向可能会导致距离估计问题，而不合适的调节性刺激和眼部优势因素则是造成眼睛疲劳的常见原因。从不一致的图像到每只眼睛的双目竞争可能会通过几种机制损害视觉性能。本文讨论了与视觉耦合系统相关的潜在视觉问题，以及将复杂系统与机组人员界面集成在一起的挑战。

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  • 来源
    《The Aeronautical Journal》 |2014年第1200期|155-168|共14页
  • 作者

    P. J. Morgan-Warren; M. Woodcock;

  • 作者单位

    School of Clinical and Experimental Medicine University of Birmingham Birmingham UK,Royal Air Force Centre of Aviation Medicine RAF Henlow Bedfordshire UK;

    Royal Air Force Centre of Aviation Medicine RAF Henlow Bedfordshire UK;

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