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Gyroscope01:02

Gyroscope

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A gyroscope is defined as a spinning disk in which the axis of rotation is free to assume any orientation. When spinning, the orientation of the spin axis is unaffected by the orientation of the body that encloses it. The body or vehicle enclosing the gyroscope can be moved from place to place, while the orientation of the spin axis remains the same. This makes gyroscopes very useful in navigation, especially where magnetic compasses cannot be used, such as in crewed and crewless spacecraft,...
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Capturing Dynamic Finger Gesturing with High-resolution Surface Electromyography and Computer Vision
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使用3D轨迹解码的AR头戴式耳机快速和强大的中空手势打字使用3D轨迹解码.

Junxiao Shen, John Dudley, Per Ola Kristensson

    IEEE transactions on visualization and computer graphics
    |October 2, 2023
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    概括

    这项研究介绍了用于增强现实 (AR) 的快速空中手势键盘. 新的3D轨迹解码方法提高了文本输入速度,减少了错误,即使没有视觉反.

    科学领域:

    • 人与计算机的交互
    • 增强现实接口的接口
    • 手势识别 手势识别

    背景情况:

    • 传统的增强现实 (AR) 键盘通常依赖于间接的二维光标控制,这可能很麻烦.
    • 对于AR来说,空中手势输入需要高效和直观的方法来表达文本.

    研究的目的:

    • 开发和评估用于头部安装光学透视增强现实 (OST AR) 的快速空中手势键盘.
    • 引入一种新的解码方法,将3D指尖手势轨迹直接翻译成文本.
    • 在没有视觉反的情况下评估系统的有效性,学习加速和性能.

    主要方法:

    • 开发一种新的解码方法,用于直接将3D指尖轨迹转化为文本翻译.
    • 通过三项用户研究进行评估,重点关注立即有效性,学习曲线和没有视觉反的性能.
    • 在光学透视增强现实环境中使用空中手势键盘.

    主要成果:

    • 新的3D轨迹解码设计显著提高了文本输入率.
    • 该系统在输入文本时保持了较低的错误率.
    • 即使没有指尖或手势痕迹的视觉反,用户也保持了持续的性能水平.

    结论:

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    • 拟议的空中手势键盘为增强现实提供了一种高效的输入方法.
    • 直接3D轨迹解码提高了用户在AR文本输入中的性能.
    • 系统的稳定性突出表现在持续的性能,没有视觉反,暗示直观的交互.