Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

471
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
471
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

407
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
407

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Effects of stimulant medication on neuropsychological functioning in college students without ADHD.

Experimental and clinical psychopharmacology·2026
Same author

Development of a core competency evaluation index system for specialist nurses in robot-assisted surgery: a Delphi study.

BMC nursing·2025
Same author

Identification and validation of <i>TUBB</i>, <i>CLTA</i>, and <i>FBXL5 </i>as potential diagnostic markers of postmenopausal osteoporosis.

Biomolecules & biomedicine·2025
Same author

Comparative genomics reveals the genetic diversity and plasticity of Clostridium tertium.

Journal of applied microbiology·2025
Same author

Correction: PREX2 contributes to radiation resistance by inhibiting radiotherapy-induced tumor immunogenicity via cGAS/STING/IFNs pathway in colorectal cancer.

BMC medicine·2025
Same author

Detection of Chronic Cognitive-Motor Deficits in Adults With a History of Concussion Using Computerized Eye-Hand Coordination Tasks: Preliminary Experimental Design Study.

Interactive journal of medical research·2025

相关实验视频

Updated: Jul 12, 2025

Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery
05:12

Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery

Published on: August 12, 2021

2.1K

一种基于网络摄像头的机器学习方法,用于三维运动范围评估.

Xiaoye Michael Wang1, Derek T Smith2, Qin Zhu2

  • 1Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON, Canada.

PloS one
|October 23, 2023
PubMed
概括

使用网络摄像头的新机器学习方法提供了一种可靠的方法,可以远程测量关节运动范围 (ROM). 这项技术可以改善有限的人身医疗服务的患者的物理治疗可访问性.

科学领域:

  • 生物医学工程 生物医学工程
  • 康复技术 康复技术 康复技术
  • 医疗保健中的机器学习

背景情况:

  • 关节运动范围 (ROM) 对于物理治疗评估至关重要.
  • 传统的仪使用需要专门的培训,并限制患者远程访问.
  • 目前的方法为个人有限的个人医疗保健服务提供障碍.

研究的目的:

  • 引入和评估一种基于机器学习的新方法,用于使用网络摄像机技术评估联合运动范围 (ROM).
  • 为ROM测量提供远程可访问的解决方案.
  • 为了确定这种创新的方法的可靠性和有效性.

主要方法:

  • 开发了一种机器学习模型,通过网络摄像头来评估关节运动范围 (ROM).
  • 来自网络摄像头的ROM测量与基于黄金标准标记器的光学运动捕捉系统进行了比较.
  • 在25名健康成年人中,评估了各种关节的可靠性,包括部,脊柱和四肢.

主要成果:

  • 基于网络摄像头的系统对大多数关节表现出高的测试-重新测试可靠性,具有相当大的到几乎完美的类内相关系数.
  • 关节间的可靠性在一些关节中是相当的,几乎是完美的,但在其他关节中则较低,例如肩膀和肘部曲.
  • 观察到的差异可能是由于系统在峰值运动时对关节定位的敏感性.

更多相关视频

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography
06:09

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography

Published on: March 12, 2021

3.1K
Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
07:05

Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine

Published on: October 27, 2016

9.3K

相关实验视频

Last Updated: Jul 12, 2025

Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery
05:12

Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery

Published on: August 12, 2021

2.1K
Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography
06:09

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography

Published on: March 12, 2021

3.1K
Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
07:05

Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine

Published on: October 27, 2016

9.3K

结论:

  • 拟议的基于网络摄像头的方法显示了高的测试复试和测试者之间的可靠性,为ROM评估提供了可行的替代方案.
  • 这项技术可以增强临床实践,并促进物理治疗和康复的远程实施.
  • 它通过实现远程联合运动范围评估来解决物理治疗中的可访问性挑战.