Impact of Different Skin Penetration Depths of Red and Green Wavelengths on Camera-based SpO2 Measurement

Yonglong Ye; Dongfeng Gu; Wenjin Wang

10.1109/EMBC40787.2023.10341163

2023

45th Annual International Conference of the IEEE-Engineering-in-Medicine-and-Biology-Society (EMBC)

2375-7477

1558-4615

979-8-3503-2448-8

2023 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

1-5

24-27 July 2023

Sydney, Australia

345 E 47TH ST, NEW YORK, NY 10017 USA

IEEE

Remote camera-based estimation of blood oxygen saturation (SpO(2)) using visible lights has been studied recently, typically for red (660 nm) and green (550 nm) wavelengths. This paper investigates the impact of different skin penetration depths of red and green wavelengths on the SpO(2) estimation based on mathematical modeling and experiments, where the SpO(2)-calibritability between two illumination setups, narrow-band red/green and narrow-band red/infrared, are statistically compared using the "ratio-of-ratios" method. The results show that the performance of the setup using red/green is less consistent among 17 volunteers than the setup using red/infrared, and larger SpO(2) disparity between different skin regions (by SpO(2) imaging) have been found for individuals in the red/green wavelengths setup. The use of visible light (red and green) may impose a risk of SpO(2) calibration due to the different skin penetration depths of these two wavelengths.

Remote photoplethysmography blood oxygen saturation SpO2 visible light

第一

英语

EI ; CPCI-S

National Key R&D Program of China[2022YFC2407800]

Computer Science ; Engineering

Computer Science, Artificial Intelligence ; Computer Science, Interdisciplinary Applications ; Engineering, Biomedical

WOS:001133788305045

20240215362252

Cameras ; Oxygen

Biological Materials and Tissue Engineering:461.2 ; Photographic Equipment:742.2 ; Chemical Products Generally:804

IEEE

Department of Biomedical Engineering, Southern University of Science and Technology, China

Yonglong Ye,Dongfeng Gu,Wenjin Wang. Impact of Different Skin Penetration Depths of Red and Green Wavelengths on Camera-based SpO2 Measurement[C]. 345 E 47TH ST, NEW YORK, NY 10017 USA:IEEE,2023:1-5.