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相关概念视频

Distance Measurements by Taping01:18

Distance Measurements by Taping

Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...

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相关实验视频

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A Methodology for Capturing Joint Visual Attention Using Mobile Eye-Trackers
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评估基于视觉的算法的准确性,用于用多个摄像头角度测量马的基线估计.

Karsten Key1, Katja Berg1, Jakob Kirkegaard1

  • 1KeyDiagnostics, Fredensborg, Denmark.

Veterinary medicine and science
|December 30, 2025
PubMed
概括

这项研究表明,一种新的基于视觉的算法使用各种摄像头角度,包括手持设备,准确地估计了用于诊断马匹的基线. 这为传统方法提供了一个便携和客观的替代方案.

关键词:
深度学习是一种深度学习.马匹的脚是马匹的脚.基线估计基线估计这是一个手持式手持式手持式手持式.的检测 的检测客观的步态分析构成估计估计的估计.基于视觉的算法.

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Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
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科学领域:

  • 兽医医学 兽医医学 兽医医学
  • 生物力学 生物力学
  • 计算机视觉 计算机视觉

背景情况:

  • 马类的诊断往往依赖于主观的视觉评估.
  • 像IMU这样的客观方法需要专门的设备.
  • 基于视觉的算法提供了一个便携式的,无标记的替代品,需要验证.

研究的目的:

  • 为了评估一个定制的基于视觉的算法用于基线估计.
  • 为了评估多个摄像头角度的准确性,包括手持式使用.
  • 为了分析它在跑步机上跑步的马匹中的应用.

主要方法:

  • 这是一项实验性比较研究,涉及8只标准种马.
  • 用过的iPhone用于各种角度的视频录制,包括手持.
  • 应用了深度神经网络来估计2D关键点并计算垂直移位信号 (VDS).

主要成果:

  • 基线估计显示了接近零的平均角度误差和低平均平均误差 (MAE = 0.45°).
  • 马克斯迪夫和明迪夫的脚步水平MAE为0.5毫米.
  • 手持式使用带来了临床上可接受的额外变异性 (Maxdiff和Mindiff MAE < 1.8 mm).

结论:

  • 基于视觉的算法准确地估计了来自不同摄像头设置的基线和VDS参数.
  • 限制包括基于跑步机的数据和单一的品种/外套颜色,可能会影响概括性.
  • 建议在不同的环境和与其他客观系统进行进一步的验证.