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相关概念视频

Integrated Healthcare System01:20

Integrated Healthcare System

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An integrated healthcare system (IHS) is a set of organizations that provides for or arranges to provide coordinated and continuous service to a defined population. The IHS takes responsibility for that particular population's health status and outcome, both clinically and fiscally. An integrated healthcare system is a well-organized, well-coordinated, and collaborative network. The integrated delivery system is a network that connects different healthcare providers to deliver organized,...
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Principle of Virtual Work: Problem Solving01:13

Principle of Virtual Work: Problem Solving

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The principle of virtual work is an essential concept in the field of mechanics and engineering. This is used to solve problems related to the equilibrium of a structure or system. It is based on the assumption that if a system is in equilibrium, the work done by all the forces during a virtual displacement is zero. This principle is applied by considering virtual displacements of the system and the corresponding work done by internal and external forces.
To apply the principle of virtual work,...
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Virtual Work01:20

Virtual Work

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The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
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Virtual Work for a System of Connected Rigid Bodies01:06

Virtual Work for a System of Connected Rigid Bodies

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Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
Next,...
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Masking and Demasking Agents01:19

Masking and Demasking Agents

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EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on...
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Visual System01:26

Visual System

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Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
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相关实验视频

Updated: Jul 1, 2026

Motor Imagery Performance Through Embodied Digital Twins in a Virtual Reality-Enabled Brain-Computer Interface Environment
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Motor Imagery Performance Through Embodied Digital Twins in a Virtual Reality-Enabled Brain-Computer Interface Environment

Published on: May 10, 2024

主动AR:增强现实任务支持系统,具有主动上下文和虚拟内容管理.

Renjie Zhang, Jia Liu, Taishi Sawabe

    IEEE transactions on visualization and computer graphics
    |May 6, 2025
    PubMed
    概括
    此摘要是机器生成的。

    本研究介绍了一个智能增强现实 (AR) 任务支持系统,通过显示相关的虚拟内容,积极指导用户,提高现实任务的效率. 该系统使用先进的视觉模型来识别物体,减少干扰和开发成本.

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    相关实验视频

    Last Updated: Jul 1, 2026

    Motor Imagery Performance Through Embodied Digital Twins in a Virtual Reality-Enabled Brain-Computer Interface Environment
    10:14

    Motor Imagery Performance Through Embodied Digital Twins in a Virtual Reality-Enabled Brain-Computer Interface Environment

    Published on: May 10, 2024

    Automatic Surgery in Transcatheter Aortic Valve Replacement Using Augmented Reality
    07:46

    Automatic Surgery in Transcatheter Aortic Valve Replacement Using Augmented Reality

    Published on: August 9, 2024

    Photorealistic Learned Landscapes for Augmented Reality
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    Photorealistic Learned Landscapes for Augmented Reality

    Published on: June 27, 2025

    科学领域:

    • 计算机科学 计算机科学
    • 人与计算机的交互
    • 人工智能的人工智能

    背景情况:

    • 增强现实 (AR) 系统旨在提高用户效率,但通常受到虚拟内容干扰现实任务的阻碍.
    • 现有的AR应用程序主要专注于尽量减少虚拟内容干扰,而不是积极利用它来指导任务.

    研究的目的:

    • 开发一个创新的AR任务支持系统,主动引导用户通过使用上下文感知虚拟内容的任务.
    • 克服当前AR系统在不受控制的环境中的局限性,并降低开发成本.

    主要方法:

    • 该系统在现实世界中主动搜索和跟踪关键对象.
    • 来自跟踪对象的上下文信息被用于自动选择和定位相关的虚拟内容.
    • 基于开放世界的提示符的视觉模型用于几次拍摄或零次拍摄的物体识别,包括不常见的物品.

    主要成果:

    • 拟议的AR任务支持系统通过主动显示上下文相关的虚拟内容,有效地指导用户.
    • 该系统在现实场景中成功识别和利用了常见和不常见的物体.
    • 实验结果显示,在现实的使用情况下,与传统的虚拟内容管理系统相比,它具有显著的优势.

    结论:

    • 开发的AR任务支持系统通过智能集成虚拟内容与现实任务来提高用户效率.
    • 该系统处理各种物体和环境的能力扩大了AR在工业环境之外的适用性.
    • 这种方法为开发先进的AR任务支持应用程序提供了具有成本效益的解决方案.