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相关概念视频

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

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Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
31

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F-RDW:重定向步行与预测未来位置的预测

Sang-Bin Jeon, Jaeho Jung, Jinhyung Park

    IEEE transactions on visualization and computer graphics
    |March 12, 2024
    PubMed
    概括

    本研究介绍了F-RDW,这是一种用于虚拟现实中的重定向行走 (RDW) 的新机制. F-RDW通过减少重置和增加旅行距离来增强用户体验,而不会对用户移动做出预先的假设.

    科学领域:

    • 虚拟现实 虚拟现实 虚拟现实
    • 人与计算机的交互
    • 计算机科学 计算机科学

    背景情况:

    • 现有的重定向行走 (RDW) 方法通过预测用户移动以尽量减少重置来改善VR体验.
    • 目前的RDW技术往往需要特定的虚拟环境布局或用户步行模式,限制了它们的适用性.

    研究的目的:

    • 提出F-RDW,这是一种灵活的机制,可以预测用户的移动,没有假设,并将这些信息与现有的RDW方法集成.
    • 提高RDW在各种VR场景中的通用应用和性能.

    主要方法:

    • 开发了一个基于LSTM的模型,使用空间和眼睛跟踪数据预测未来的用户位置.
    • 将预测的未来信息集成到已建立的RDW算法 (MPCRed,S2C,TAPF,ARC) 中.

    主要成果:

    • 模拟和用户研究证明了F-RDW在减少重置事件的有效性.
    • 该机制显著增加了重置之间的距离,改善了整体RDW性能.
    • 在小的物理空间和复杂的虚拟环境中,F-RDW 证明是有益的.

    结论:

    • F-RDW有效地利用预测的用户移动来克服现有 RDW 方法的局限性.

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  • 拟议的机制提供了一个更具普遍适用性和高性能的解决方案,通过重定向步行来增强VR体验.