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Interaction with virtual crowd in Immersive and semi-Immersive Virtual Reality systems

机译：沉浸式和半沉浸式虚拟现实系统中与虚拟人群的交互

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摘要

This study examines attributes of virtual human behavior that may increase the plausibility of a simulated crowd and affect the user's experience in Virtual Reality. Purpose-developed experiments in both Immersive and semi-Immersive Virtual Reality systems queried the impact of collision and basic interaction between real-users and the virtual crowd and their effect on the apparent realism and ease of navigation within Virtual Reality (VR). Participants' behavior and subjective measurements indicated that facilitating collision avoidance between the user and the virtual crowd makes the virtual characters, the environment, and the whole Virtual Reality system appear more realistic and lifelike. Adding basic social interaction, such as verbal salutations, gaze, and other gestures by the virtual characters towards the user, further contributes to this effect, with the participants reporting a stronger sense of presence. On the other hand, enabling collision avoidance on its own produces a reduced feeling of comfort and ease of navigation in VR. Objective measurements showed another interesting finding that collision avoidance may reduce the user's performance regarding their primary goal (navigating in VR following someone) and that this performance is further reduced when both collision avoidance and social interaction are facilitated.
机译：这项研究检查了虚拟人类行为的属性，这些属性可能会增加模拟人群的真实性并影响用户在虚拟现实中的体验。在沉浸式和半沉浸式虚拟现实系统中进行的专门开发的实验，询问了真实用户与虚拟人群之间的碰撞和基本交互的影响，以及它们对虚拟现实（VR）中表观真实感和易于导航的影响。参与者的行为和主观测量表明，促进用户与虚拟人群之间的碰撞避免使虚拟角色，环境和整个虚拟现实系统显得更加逼真和逼真。通过虚拟角色向用户添加基本的社交互动（例如语言称呼，凝视和其他手势），进一步促进了这种效果，参与者报告了更强烈的临场感。另一方面，单独启用避免碰撞会降低VR中的舒适感和导航便利性。客观测量结果表明，另一个有趣的发现是，避免碰撞可能会降低用户的主要目标表现（跟随某人进入VR），而当同时促进避免碰撞和社交互动时，这种表现会进一步降低。

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