混合现实系统中融合-适应冲突的几何结构
Xiaoye Michael Wang1, Daniel Southwick2, Ian Robinson2
1Faculty of Kinesiology & Physical Education, University of Toronto, Toronto, ON Canada.
概括
混合现实 (VR,AR) 导致距离扭曲,原因是接-适应冲突. 这项研究模拟了冲突,发现0.2°的位偏移扰乱了虚拟环境中的深度感知.
科学领域:
- 人与计算机的交互
- 虚拟现实 虚拟现实 虚拟现实
- 增强现实是一种增强现实.
- 感知心理学 感知心理学
背景情况:
- 混合现实 (MR) 技术如虚拟现实 (VR) 和增强现实 (AR) 提供了教育和培训的好处.
- 在MR中,远距离感知扭曲使将技能转移到非中介现实 (UR) 变得复杂.
- 聚合点 - 适应冲突,眼睛收和焦点之间的不匹配,是MR距离扭曲的一个关键因素.
研究的目的:
- 使用手动指点任务量化UR,VR和AR中的距离扭曲大小.
- 开发和验证一个模型,解释基于接-适应冲突的距离扭曲.
- 评估对立体观测几何学对接-适应偏移的影响.
主要方法:
- 参与者在非中介现实 (UR),VR和AR中执行手动指点任务.
- 基于立体观测几何学的模型被开发出来,将点-适应偏移作为点角度偏移.
- 模型版本被用来适应和预测所有模式的行为数据.
主要成果:
- 验证了接适应作为特定于设备的接偏移的概念化.
- 该模型预测了行为数据中多达66%的差异.
- 在VR和AR中观察到一个约为0.2°的一致的向外接角偏移,这是由于接-适应冲突.
结论:
- 融合-适应冲突是VR和AR中距离扭曲的可量化的来源.
- 鉴定到的点偏移会破坏立体几何形状,影响深度感知准确度.
- 这些发现为虚拟环境的设计提供了信息,以减轻深度扭曲和改进MR应用.
相关概念视频
Depth Perception and Spatial Vision
610
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
610
Focusing of Light in the Eye
2.6K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
2.6K
Gestalt Principles of Perception
286
Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
286


