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9 August 2018 Non-contact blood pressure measurement based on pulse transit time
Pengyong Chen, Zuofeng Zhou, Ting Zhao, Jianzhong Cao, Hongtao Yang
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Proceedings Volume 10806, Tenth International Conference on Digital Image Processing (ICDIP 2018); 108065J (2018) https://doi.org/10.1117/12.2503036
Event: Tenth International Conference on Digital Image Processing (ICDIP 2018), 2018, Shanghai, China
Abstract
A non-contact blood pressure measurement method was proposed and achieved based on theoretical deduction of the relationship among pulse transit time, heart rate and blood pressure. Pulse transit time was estimated using heart rate and phase difference of pulse wave which were obtained from color videos through imaging photoplethysmographic. Parameters of the functional relationship were determined through curve fitting with experiment data. Error analysis was processed with an Omron electronic sphygmomanometer as reference to verify the accuracy of blood pressure obtained using the proposed method. The error of acquired systolic blood pressure varied from -2.40 to 3.43 percent. The error of acquired diastolic blood pressure varied from -6.88 to 5.26 percent.
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Pengyong Chen, Zuofeng Zhou, Ting Zhao, Jianzhong Cao, and Hongtao Yang "Non-contact blood pressure measurement based on pulse transit time", Proc. SPIE 10806, Tenth International Conference on Digital Image Processing (ICDIP 2018), 108065J (9 August 2018); https://doi.org/10.1117/12.2503036
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KEYWORDS
Blood pressure
Video
Cameras
Heart
Sensors
Blood
RGB color model
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