A novel sensor for wrist based optical heart rate monitor
A novel sensor for wrist based optical heart rate monitor
复制标题
一种新型腕式光学心率监测传感器
DOI：
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发表时间：
2017
期刊：
影响因子：
--
通讯作者：
M. Sivaprakasam
中科院分区：
文献类型：
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作者：
Payal Mohapatra;S. Preejith;M. Sivaprakasam
不断增长的持续医疗保健需求以及生理监测需要具有高可靠性和准确性的系统。可穿戴设备用于从手腕进行连续心脏参数估计，使用反射式光电体积描记技术，具有一定的局限性，这是必要的。一个这样的约束是受试者的皮肤色素沉着。在目前的工作中，传感器模块的设计，提出了解决由于皮肤的光学特性的异常。一种新的590 nm（黄橙色）波长为基础的光学系统进行了适当的调整，以最大限度地提高信号质量的收购。所提出的设置验证的聚集的主题的年龄，性别和肤色。一个慷慨的协议之间的一致性措施的信号质量表明，建议的波长持有的优势，其较短的对应时，受到不同的皮肤色素沉着水平。灌注指数的最大改善系数为71，脉动强度的最大改善系数为31，SNR的最大改善系数为3。传感器的设计，实验装置，验证协议，观察和推断从研究的细节。
The growing demands of continuous healthcare and hence physiological monitoring necessitates a system with high reliability and accuracy. Wearable used for continuous cardiological parameter estimation from wrist use reflective photoplethysmography technique that has certain limitations which are imperative. One such constraint is skin pigmentation of the subject. In the present work a sensor module design is proposed addressing to the anomalies due to optical properties of skin. A novel 590 nm (yellow-orange) wavelength based optical system is tailored suitably to maximize the signal quality acquired. The proposed setup is validated on a conglomeration of subjects in terms of age, gender and skin tone. A generous agreement between coherent measures for signal quality shows that the proposed wavelength holds an advantage over its shorter counterpart when subjected to varied skin pigmentation levels. A maximum improvement factor of 71 is observed in case of perfusion index, 31 for pulsatile strength and 3 for SNR. The details of sensor design, experimental setup, validation protocol, observations and inferences drawn from the study are presented.
影响因子：
6.5
作者：
ANDERSON, RR;PARRISH, JA
通讯作者：
PARRISH, JA