CHS: Small: Investigating the Characteristics of User Representations and Long-Term Experiences in Personal Space Depth Perception in Virtual Reality

CHS:小:研究虚拟现实中个人空间深度感知的用户表征和长期体验的特征

基本信息

  • 批准号:
    2007435
  • 负责人:
  • 金额:
    $ 49.9万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2020
  • 资助国家:
    美国
  • 起止时间:
    2020-08-01 至 2024-07-31
  • 项目状态:
    已结题

项目摘要

Distances to objects of interest in Virtual Reality (VR) are often systematically misperceived, and these perceived spatial distortions cause difficulties in the operators' ability to execute fine motor actions, increased errors in interaction and user frustration, thereby diminishing the effectiveness of task performance and psychomotor skills training in VR simulations, especially in applications such as simulated robot manipulations, flight and driving simulation, and surgical training and rehabilitation simulations. This project addresses the problem of depth perception in VR by examining: (a) how properties of the virtual self-representations or embodiment (also known as self-avatars) in VR affects depth perception in personal space, which is the region of space extending to the limits of the operator's reach; (b) how longitudinal or long-term experiences in VR influences or calibrates the effects of self-avatars on depth perception in personal space VR interactions. This research will directly address a grand challenge for engineering, as determined by the National Academy of Engineering, which is to enhance VR. The empirical data, measurement protocols, case studies and application guidelines derived from this project will substantially augment the much-needed body of knowledge in understanding the relationship between embodiment, visuo-motor recalibration to self-avatar properties, and depth perception in VR. The longitudinal research component will foster the exposure of undergraduate and graduate students to advanced VR development and the process of conducting rigorous user evaluation. The research and educational activities of the project will lead to enhanced consumer experiences in VR by improving user experience and usability of interactive applications for entertainment, psychomotor skills learning and rehabilitation. The project is among the first to thoroughly investigate visuo-motor recalibration to anthropomorphic and anthropometric properties of self-avatars on near-field or personal space depth perception in VR, and how their impact with calibration changes over time with increased VR experience. The specific goals of this project are: (1) Investigate the effects of the anthropomorphic and anthropometric properties of self-avatars on scaling depth perception, body ownership and perceived reach capabilities in VR. (2) Empirically evaluate to what extent self-avatar based interaction in VR calibrates users' depth perception, body ownership and body schema. (3) Investigate how the effects of self-avatars on calibration of depth perception varies over time in longitudinal exposures, as users gain more experience with the task and VR in general. (4) Integrate VR development, user study design, quantitative and qualitative research methods in undergraduate and graduate education. The empirical investigation of self-avatars in personal space VR interactions and data from longitudinal experiences will generate a rich set of guidelines and recommendations for VR developers, researchers and consumers in utilizing the project’s derived techniques, metrics and measurement protocols to enhance user performance and validate research findings. This project will also enable students to experience hands-on and at-home learning and experimentation of VR systems, gathering much needed data on how longitudinal experiences affect spatial perception and enabling students to develop a strong sense of what constitutes a good VR design.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
在虚拟现实(VR)中,到感兴趣的对象的距离通常被系统地错误感知,并且这些感知到的空间失真导致操作者执行精细运动动作的能力的困难、交互中的错误增加和用户挫折,从而降低VR模拟中的任务表现和心理技能训练的有效性,特别是在诸如模拟机器人操纵、飞行和驾驶模拟的应用中,手术训练和康复模拟。这个项目通过研究来解决VR中的深度感知问题:(a)虚拟自我表征或体现的属性如何(也称为自我化身)影响个人空间中的深度感知,个人空间是延伸到操作员可触及范围的空间区域;(B)VR中的纵向或长期体验如何影响或校准自我化身对个人空间VR交互中的深度感知的影响。这项研究将直接解决美国国家工程院确定的一项重大工程挑战,即增强VR。从这个项目中获得的经验数据,测量协议,案例研究和应用指南将大大增加理解体现,视觉运动重新校准到自我化身属性和VR深度感知之间关系的知识体系。纵向研究部分将促进本科生和研究生接触先进的VR开发和进行严格的用户评估的过程。该项目的研究和教育活动将通过改善用户体验和交互式应用程序的可用性来增强VR的消费者体验,以用于娱乐,心理技能学习和康复。该项目是第一个彻底调查视觉运动重新校准到虚拟现实中近场或个人空间深度感知的自我化身的拟人化和人体测量特性的项目之一,以及随着VR体验的增加,它们对校准的影响如何随着时间的推移而变化。本项目的具体目标是:(1)研究虚拟现实中自我化身的拟人化和人体测量特性对缩放深度感知、身体所有权和感知到达能力的影响。(2)经验性地评估在VR中基于自我化身的交互在多大程度上校准了用户的深度感知、身体所有权和身体图式。(3)研究自我化身对深度感知校准的影响如何在纵向曝光中随着时间的推移而变化,因为用户在任务和VR方面获得了更多的经验。(4)整合VR开发,用户研究设计,本科和研究生教育中的定量和定性研究方法。对个人空间VR交互中的自我化身和纵向体验数据的实证调查将为VR开发人员、研究人员和消费者提供一套丰富的指导方针和建议,以利用项目衍生的技术、指标和测量协议来提高用户性能并验证研究结果。该项目还将使学生能够体验VR系统的动手和在家学习和实验,收集关于纵向体验如何影响空间感知的急需数据,并使学生能够对构成良好VR设计的因素产生强烈的感觉。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查进行评估,被认为值得支持的搜索.

项目成果

期刊论文数量(8)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Give Me a Hand: Improving the Effectiveness of Near-field Augmented Reality Interactions By Avatarizing Users' End Effectors
How Virtual Hand Representations Affect the Perceptions of Dynamic Affordances in Virtual Reality
Comparing the Effects of Visual Realism on Size Perception in VR versus Real World Viewing through Physical and Verbal Judgments
通过身体和言语判断比较视觉现实主义对 VR 中尺寸感知的影响与现实世界观看的影响
Empirical Evaluation of Calibration and Long-term Carryover Effects of Reverberation on Egocentric Auditory Depth Perception in VR
  • DOI:
    10.1109/vr51125.2022.00042
  • 发表时间:
    2022-03
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Wan-Yi Lin;Ying-Chu Wang;D. Wu;R. Venkatakrishnan;Roshan Venkatakrishnan;Elham Ebrahimi;C. Pagano;Sabarish V. Babu;Wen-Chieh Lin
  • 通讯作者:
    Wan-Yi Lin;Ying-Chu Wang;D. Wu;R. Venkatakrishnan;Roshan Venkatakrishnan;Elham Ebrahimi;C. Pagano;Sabarish V. Babu;Wen-Chieh Lin
Comparing the Fidelity of Contemporary Pointing with Controller Interactions on Performance of Personal Space Target Selection
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Sabarish Babu其他文献

Sabarish Babu的其他文献

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