在混合现实环境中比较同步和异步任务交付
IEEE transactions on visualization and computer graphics
|March 4, 2024
概括
在混合现实 (MR) 中延迟任务交付中断显著提高了用户的性能,并减少了感知的工作负载. 这项研究强调了在沉浸式数字环境中有效管理中断的重要性,以改善用户体验.
科学领域:
- 人与计算机的交互
- 认知科学 认知科学
- 虚拟现实 虚拟现实 虚拟现实
背景情况:
- 异步数字通信,如电子邮件,允许用户有效管理信息交换.
- 混合现实 (MR) 系统提供了管理数字和物理中断的潜力.
- 之前的研究还没有探讨在MR环境中中断时间的影响.
研究的目的:
- 调查任务交付时间如何影响混合现实工作空间中的用户性能,工作流程和情绪状态.
- 评估延迟中断与立即中断对MR的好处.
主要方法:
- 在混合现实工作空间中,对26名参与者进行了一项用户研究.
- 参与者执行了认知要求高的任务.
- 在任务中 (即时中断) 或在任务之间 (延迟中断) 模拟了面对面的任务交付.
主要成果:
- 延迟中断显著改善了主观指标.
- 被认为的业绩和工作量受到延迟中断的积极影响.
- 任务交付的时间是MR用户体验的关键因素.
结论:
- 管理中断时间对于优化混合现实中的用户性能和幸福感至关重要.
- 与立即中断相比,延迟中断MR导致更好的主观结果.
- 未来的MR系统设计应考虑中断管理策略.
相关概念视频
Short-distance Transport of Resources
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
Distributed Loads
Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
Distributed Loads: Problem Solving
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
Drug Dissolution: Requirements and Profile Comparison
The acceptance criteria for dissolution profile data are anchored in Q values, representing the percentage of drug dissolved within a specified period. This assessment unfolds in three stages:First Stage: The test passes if all six drug dosage units are equal to or greater than Q plus 5%; otherwise, the sample proceeds to the second stage.Second Stage: The average of twelve units must be equal to or greater than Q, with no unit falling below Q - 15% to pass; if not, it progresses to the final...
Modified-Release Drug Delivery Systems: Rate-Programmed I
Rate-programmed drug delivery systems (DDS) are designed to release drugs at specific, controlled rates to maintain consistent therapeutic levels. These systems are categorized based on their release mechanisms, including dissolution-controlled DDS, diffusion-controlled DDS, and combined dissolution-diffusion-controlled DDS.In dissolution-controlled DDS, the release rate depends on the slow dissolution of the drug itself or the surrounding matrix. Drugs with inherently slow dissolution rates,...
Upstream Processing
Upstream processing represents a critical phase in biomanufacturing, wherein biological systems such as microorganisms, mammalian cells, or insect cells are cultivated to produce therapeutic proteins, vaccines, enzymes, or other biologically derived products. This phase encompasses all steps from the selection and genetic manipulation of the production organism to the cultivation of cells in bioreactors under tightly controlled environmental conditions.Host Selection and Genetic OptimizationThe...


