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巴斯:用于可穿戴嵌入式系统的安全深层组织光学传感.

Kourosh Vali¹, Ata Vafi¹, Begum Kasap¹

¹University of California, Davis, Electrical and Computer Engineering Department, USA.

ACM transactions on embedded computing systems : TECS

|January 24, 2024

概括

此摘要是机器生成的。

这项研究通过平衡信号噪声比 (SNR) 和患者安全来优化深层组织光学传感. 该BASS算法通过光谱平均值提高SNR,同时遵守安全能源限制.

关键词:

深层组织光学传感感应.设计空间探索探索空间探索医疗事物互联网的互联网.医疗网络物理系统多目标优化多目标优化可穿戴式嵌入式系统

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科学领域:

生物医学工程生物医学工程
光学传感技术的技术
可穿戴的健康设备

背景情况:

像氧度学一样,深层组织光学传感在平衡信号质量与患者安全方面面临着挑战.
增加辐射能量可以提高信号噪声比 (SNR),但会带来安全风险.
嵌入式系统设计需要仔细考虑这些相互竞争的因素.

研究的目的:

在深层组织光学传感中探索辐射能量和SNR之间的权衡.
为优化深层组织SNR提出和验证BASS算法.
通过遵守辐射能量的限制,确保患者的安全.

主要方法:

研究了光源激活脉冲的设计空间.
开发并应用了BASS (带宽感知光谱采样) 算法.
通过分析推导,模拟和体内测量验证了该技术.

主要成果:

该BASS算法通过光谱平均化有效优化深层组织SNR.
拟议的方法确保辐射的能量保持在安全的上限内.
在怀孕的羊模型和人类受试者身上进行了成功的演示.

结论:

BASS算法为深层组织光学传感提供了有效的解决方案.
它成功地平衡了高SNR的需求与关键患者安全要求.
这种方法推进了用于非表面组织应用的可穿戴光学传感.