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arXiv 2408.01077cs.CV

PhysMamba:面向远程生理测量的状态空间对偶模型

PhysMamba: State Space Duality Model for Remote Physiological Measurement

South China University of Technology(华南理工大学)

Zhixin Yan, Yan Zhong, Hongbin Xu, Wenjun Zhang, Shangru Yi, Lin Shu, Wenxiong Kang

AI总结:

针对远程光电容积描记法受运动伪影、光照变化等干扰的问题,提出融合状态空间模型与注意力机制的双路径时频交互模型PhysMamba,在多个数据集上取得优于现有最优方法的性能,为非接触健康监测应用奠定基础。

摘要:

远程光电容积描记法(rPPG)可从面部视频中提取非接触式生理信号,在心理状态分析、医疗辅助、人脸反欺骗领域均有应用。但运动伪影、光照变化和噪声等挑战限制了其实际应用。为解决这些问题,我们提出PhysMamba,这是一种基于协同状态空间对偶(SSSD)的新型双路径时频交互模型,首次在双分支框架中融合状态空间模型与注意力机制。结合多尺度查询(MQ)机制,PhysMamba实现了高效信息交互与增强的特征表征,确保在噪声和动态条件下的鲁棒性。在PURE、UBFC-rPPG、MMPD数据集上的实验表明,PhysMamba性能优于现有最优方法,具备更优的准确性与泛化性。该工作为非接触健康监测(包括实时远程患者护理)的实际应用奠定了坚实基础。

英文摘要:

Remote Photoplethysmography (rPPG) enables non-contact physiological signal extraction from facial videos, offering applications in psychological state analysis, medical assistance, and anti-face spoofing. However, challenges such as motion artifacts, lighting variations, and noise limit its real-world applicability. To address these issues, we propose PhysMamba, a novel dual-pathway time-frequency interaction model based on Synergistic State Space Duality (SSSD), which for the first time integrates state space models with attention mechanisms in a dual-branch framework. Combined with a Multi-Scale Query (MQ) mechanism, PhysMamba achieves efficient information exchange and enhanced feature representation, ensuring robustness under noisy and dynamic conditions. Experiments on PURE, UBFC-rPPG, and MMPD datasets demonstrate that PhysMamba outperforms state-of-the-art methods, offering superior accuracy and generalization. This work lays a strong foundation for practical applications in non-contact health monitoring, including real-time remote patient care.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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