Multimodal Physical Fitness Monitoring (PFM) Framework Based on TimeMAE-PFM in Wearable Scenarios

分类： 计算机科学 >> 计算机应用技术 提交时间： 2024-04-07

Junjie Zhang Zheming Zhang Huachen Xiang Yangquan Tan Linnan Huo Fengyi Wang

摘要： Physical function monitoring (PFM)plays a crucial role in healthcare especially for the elderly. Traditional assessment methods such as the Short Physical Performance Battery (SPPB) have failedto capture the full dynamic characteristics of physical function. Wearable sensors such as smart wristbands offer a promising solution to this issue. However, challenges exist, such as the computational complexity of machine learning methods and inadequate information capture. This paper proposes a multi-modal PFM framework based on an improved TimeMAE, which compresses time-series data into a low-dimensional latent space and integrates a self-enhanced attention module. This framework achieves effective monitoring of physical health, providing a solution for real-time and personalized assessment. The method is validated using the NHATS dataset, and the results demonstrate an accuracyof 70.6% and an AUC of 82.20%, surpassing other state-of-the-art time-series classification models.

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