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

Measuring Acceleration Due to Gravity01:12

Measuring Acceleration Due to Gravity

1.2K
Consider a coffee mug hanging on a hook in a pantry. If the mug gets knocked, it oscillates back and forth like a pendulum until the oscillations die out.
A simple pendulum can be described as a point mass and a string. Meanwhile, a physical pendulum is any object whose oscillations are similar to a simple pendulum, but cannot be modeled as a point mass on a string because its mass is distributed over a larger area. The behavior of a physical pendulum can be modeled using the principles of...
1.2K
Hydraulic Jump: Problem Solving01:16

Hydraulic Jump: Problem Solving

446
To analyze a hydraulic jump in a rectangular channel with a flow speed of 6 meters per second, follow these steps:Calculate Effective Upstream Velocity:When the downstream gate closes, a hydraulic jump forms, traveling upstream at 2 meters per second. This wave speed combines with the initial channel flow velocity, creating an effective upstream velocity.Identify Flow Velocities Before and After the Hydraulic Jump:Upstream of the hydraulic jump, the effective flow velocity includes both the...
446

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

Association between the triglyceride-glucose-waist-to-height ratio index and mortality in patients with hypothyroidism: A retrospective cohort study based on NHANES.

Medicine·2026
Same author

The MEK inhibitor trametinib incurs mitochondrial injury and induces innate immune responses in the mouse heart.

Science advances·2026
Same author

Global Genomic Epidemiology of Chikungunya Virus: E1-Based Phylodynamics, Recombination Screening, and Structural Variation in Chinese Isolates.

International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases·2026
Same author

Spatiotemporal dynamics of the capture rate of Rattus tanezumi and its implications for rodent-borne diseases in the Three Gorges Reservoir Area, China.

Environmental monitoring and assessment·2026
Same author

Deep learning for freezing of gait assessment using inertial measurement units: a multicentre validation study.

NPJ Parkinson's disease·2026
Same author

Test-Retest reliability of performance, knee functionality and movement quality biomechanics in agility T-test using markerless motion capture.

Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology·2026

相关实验视频

Updated: Jan 9, 2026

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
06:52

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

Published on: May 26, 2020

8.4K

在排球中,人工智能辅助的自动跳跃检测和高度估计使用腰部佩戴的IMU.

Weiyi Xu, Chunzhuo Wang, Meng Shang

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |December 3, 2025
    PubMed
    概括

    这项研究引入了一个使用惯性测量单元 (IMU) 和机器学习的综合系统,自动检测排球跳跃并预测跳跃高度,有助于预防伤害.

    更多相关视频

    A Novel Application of Musculoskeletal Ultrasound Imaging
    10:53

    A Novel Application of Musculoskeletal Ultrasound Imaging

    Published on: September 17, 2013

    24.6K
    Design and Analysis for Fall Detection System Simplification
    08:05

    Design and Analysis for Fall Detection System Simplification

    Published on: April 6, 2020

    11.1K

    相关实验视频

    Last Updated: Jan 9, 2026

    An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
    06:52

    An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

    Published on: May 26, 2020

    8.4K
    A Novel Application of Musculoskeletal Ultrasound Imaging
    10:53

    A Novel Application of Musculoskeletal Ultrasound Imaging

    Published on: September 17, 2013

    24.6K
    Design and Analysis for Fall Detection System Simplification
    08:05

    Design and Analysis for Fall Detection System Simplification

    Published on: April 6, 2020

    11.1K

    科学领域:

    • 运动科学 运动科学 运动科学
    • 生物机械工程 生物机械工程
    • 机器学习应用 机器学习应用

    背景情况:

    • 排球跳跃分析对于预防伤害至关重要,但手工方法是劳动密集型的.
    • 惯性测量单位 (IMU) 和机器学习为跳跃分析提供了高效的替代方案.
    • 现有的研究往往将跳跃分类和物理负载估计分开,缺乏综合解决方案.

    研究的目的:

    • 开发一个自动化管道来检测排球跳跃,并使用腰部佩戴的IMU数据预测跳跃高度.
    • 将跳跃检测,分类和高度估计集成到一个系统中.
    • 为监控球员负载和减少受伤风险提供一个实用的工具.

    主要方法:

    • 利用多阶段时间卷积网络 (MS-TCN) 来从时间序列IMU数据中进行跳跃细分和分类.
    • 采用了三种下游回归机器学习模型,根据检测到的跳跃段来估计跳跃高度.
    • 在10名玩家和337次跳跃的数据集上验证了管道.

    主要成果:

    • 该系统在识别跳跃活动及其类型方面取得了很高的准确性 (F1分数 = 0.90).
    • 与商用VERT设备 (R-squared = -1.53) 相比,证明了更高的跳跃高度预测性能 (R-squared = 0.53).
    • 成功地将跳跃检测和高度预测集成到一个连贯的管道中.

    结论:

    • 开发的管道为使用IMU分析排球跳跃提供了准确和有效的方法.
    • 这种综合解决方案为监控体力负荷和减轻运动员受伤风险提供了宝贵的工具.
    • 这些发现突显了机器学习和IMU在体育绩效分析和伤害预防方面的潜力.