阻塞对手臂长度深度感知的影响
IEEE transactions on visualization and computer graphics
|October 2, 2023
概括
增强现实 (AR) 系统在准确的虚拟物体放置方面扎,特别是与遮蔽. 在表面上创建虚拟洞可以显著提高深度感知和用户对AR应用程序的信心.
科学领域:
- 人与计算机的交互
- 医学成像和可视化 医学成像和可视化
- 光学工程是指光学工程.
背景情况:
- 商用光学透视增强现实 (AR) 显示器在准确地描绘人体内的虚拟内容方面存在局限性.
- 不透明表面的遮蔽对AR系统中虚拟对象的感知深度和定位构成重大挑战,特别是在典型的工作距离上.
研究的目的:
- 调查AR技术在封闭环境中表示虚拟内容时的准确性.
- 评估遮蔽和虚拟修改 (例如,虚拟洞) 对深度感知和用户对AR的信心的影响.
- 将定制设备的性能与商用AR设备 (HoloLens 2) 的性能进行比较.
主要方法:
- 开发了一种定制的设备,使用半银色的镜子来提供准确的深度线索,没有遮蔽.
- 在不同的表面复杂性和照明条件下,进行了深度估计研究,将定制设备与HoloLens 2进行比较.
- 评估对象的深度估计准确性和信心,包括在封闭表面引入虚拟"洞"的影响.
主要成果:
- 与定制设备相比,HoloLens 2的深度估计变化更大.
- 通过将虚拟物体放置在复杂的遮蔽表面下,观察到显著的深度错误.
- 在封闭表面引入一个虚拟孔大大减少了深度错误和提高了用户的信心,独立于绝对准确度的改进.
结论:
- 遮蔽对光学透视AR系统中虚拟对象放置的准确性和可靠性产生重大影响.
- 虚拟修改,例如创建一个"洞",可以减轻深度感知错误,并提高用户对AR应用程序的信心.
- 这些发现对于推进AR在外科手术,工业维护和其他需要精确可视化隐藏组件的领域的设计和应用至关重要.
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