现在轮到你了:在家中估计帕金森病严重程度评估的转角度
Qiushuo Cheng1, Catherine Morgan2, Arindam Sikdar1
1Faculty of Engineering, University of Bristol, UK.
Artificial intelligence in medicine
|June 27, 2025
概括
这项研究引入了一种深度学习方法,用于使用家庭视频测量帕金森病 (PD) 患者的转向角度. 这种方法提供了一种新的方式来跟踪临床环境之外的步态变化.
科学领域:
- 生物医学工程 生物医学工程
- 神经学 神经学
- 计算机视觉 计算机视觉
背景情况:
- 帕金森病 (PD) 显著影响步态,特别是转动,目前的临床工具无法捕捉现实世界的每小时症状波动.
- 连续,被动测量转角度对于使用步态特征监测PD进展至关重要.
研究的目的:
- 开发和验证一种基于深度学习的方法,可以使用单眼相机视频自动量化PD患者的转角度.
- 评估在自由生活的家庭环境中测量步态参数的可行性,克服临床评估的局限性.
主要方法:
- 利用Fastpose和Strided Transformer人类姿势估计模型从视频剪辑中提取3D骨.
- 从Turn-REMAP数据集中计算了关节旋转 (部和膝盖) 来量化24个受试者的1386个视频剪辑 (12个PD,12个控制) 的转向角度.
- 在Turn-H3.6M数据集上验证了该方法,使用专家临床医生标记的45°角容器在自由生活的Turn-REMAP数据集中验证地面真相.
主要成果:
- 该方法在Turn-REMAP数据集 (家庭设置) 上实现了41.6%的准确性,34.7°MAE和68.3%的WPrec.
- 在Turn-H3.6M数据集上,该方法实现了73.5%的准确性,18.5°MAE和86.2%的WPrec.
- 这是首次使用单眼单眼相机数据来量化家庭环境中的PD患者轮流.
结论:
- 开发的深度学习方法提供了一种可行的方法来量化PD患者在家中的转向角度.
- 公共可用的数据和模型为使用自由生活数据对PD步态分析的未来研究奠定了基础.
- 这项技术有可能在临床环境之外加强对PD进展和症状变化的监测.
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