arXiv:2607.20237cs.LG2026-07

让康复评估结果可解释,还能提示关键动作阶段。

PhaseAware: Interpretable Human-in-the-Loop Rehabilitation Scoring with Boundary Monitoring

  • 用时序模型+分段与部位描述,动态捕捉动作质量。
  • 在深蹲数据集上误差比基线降低88.9%。
  • 生成医生可读的分析提示,适合临床辅助决策。

康复评分系统在可被临床流程审查和理解时最有价值。本研究提出PhaseAware,一个轻量级连续康复质量评估框架,通过骨干网络结合分段与身体部位描述,利用骨干条件控制的门控残差路径实现特征稳定。该模型在UI-PRMD深蹲协议上评估,获得0.0230的均方根误差,相较公认基线降低88.9%;在KIMORE深蹲子集上也保持良好表现,表明其分段设计具有跨协议迁移能力。除评分预测外,PhaseAware还基于分段与身体层级敏感度生成结构化审查提示,突出影响判断的关键动作阶段和身体区域。其架构采用骨干条件控制的门控残差机制,增强特征表示稳定性,适用于资源受限环境。这些提示旨在支持临床审查、边界情况监控及人机协同筛选,而非自主决策。总体而言,PhaseAware提供了一种实用且可解释的康复评分方法,有助于将自动化评估集成至信息系统,同时保障临床监督。

原文摘要 · Abstract (English)

Rehabilitation scoring systems are most useful when their outputs can be reviewed and interpreted within clinical workflows. This study presents PhaseAware, a compact framework for continuous rehabilitation quality assessment that combines a temporal backbone with phase- and body-group descriptors through a backbone-conditioned gated residual pathway. The model was evaluated on the UI-PRMD deep-squat protocol and further tested on the KIMORE squatting subset. On UI-PRMD, PhaseAware achieved an RMSE of 0.0230, corresponding to an 88.9% reduction relative to the accepted baseline. It also maintained favorable performance on KIMORE, suggesting that the phase-aware design transfers across related squatting protocols. In addition to score prediction, PhaseAware generates structured review cues based on phase- and body-level sensitivity, highlighting the movement stages and body regions most relevant to each prediction. The architecture employs a backbone-conditioned gated residual mechanism to stabilize feature representation, supporting use in resource-constrained settings. These cues are intended to support clinician review, boundary-case monitoring, and human-in-the-loop triage rather than autonomous decision-making. Overall, PhaseAware offers a practical and interpretable approach to rehabilitation scoring that may help integrate automated assessment into information systems while preserving clinician oversight.

康复评估可解释性人体动作分析人机协作

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