Continuous monitoring of vital signs using cameras: A systematic review

V Selvaraju, N Spicher, J Wang, N Ganapathy… - Sensors, 2022 - mdpi.com
In recent years, noncontact measurements of vital signs using cameras received a great
amount of interest. However, some questions are unanswered:(i) Which vital sign is …

Diagnostic features and potential applications of PPG signal in healthcare: A systematic review

MA Almarshad, MS Islam, S Al-Ahmadi… - Healthcare, 2022 - mdpi.com
Recent research indicates that Photoplethysmography (PPG) signals carry more information
than oxygen saturation level (SpO2) and can be utilized for affordable, fast, and noninvasive …

Blood oxygen saturation estimation from facial video via dc and ac components of spatio-temporal map

Y Akamatsu, Y Onishi, H Imaoka - ICASSP 2023-2023 IEEE …, 2023 - ieeexplore.ieee.org
Peripheral blood oxygen saturation (SpO2), an indicator of oxygen levels in the blood, is one
of the most important physiological parameters. Although SpO2 is usually measured using a …

Remote blood oxygen estimation from videos using neural networks

J Mathew, X Tian, CW Wong, S Ho… - IEEE journal of …, 2023 - ieeexplore.ieee.org
Peripheral blood oxygen saturation (SpO) is an essential indicator of respiratory functionality
and received increasing attention during the COVID-19 pandemic. Clinical findings show …

A Multi-Channel Ratio-of-Ratios Method for Noncontact Hand Video Based SpO Monitoring Using Smartphone Cameras

X Tian, CW Wong, SM Ranadive… - IEEE Journal of Selected …, 2022 - ieeexplore.ieee.org
Blood oxygen saturation (SpO) is an important indicator forpulmonary and respiratory
functionalities. Clinical findings on COVID-19 show that many patients had dangerously low …

RGB Camera-based Physiological Sensing: Challenges and Future Directions

X Liu, S Patel, D McDuff - arXiv preprint arXiv:2110.13362, 2021 - arxiv.org
Numerous real-world applications have been driven by the recent algorithmic advancement
of artificial intelligence (AI). Healthcare is no exception and AI technologies have great …

Smartphone camera oximetry in an induced hypoxemia study

JS Hoffman, VK Viswanath, C Tian, X Ding… - NPJ digital …, 2022 - nature.com
Hypoxemia, a medical condition that occurs when the blood is not carrying enough oxygen
to adequately supply the tissues, is a leading indicator for dangerous complications of …

Contactless oxygen saturation detection based on face analysis: an approach and case study

B Hamoud, W Othman, N Shilov… - 2023 33rd Conference …, 2023 - ieeexplore.ieee.org
One of the most essential physiological indicators for a human health is oxygen saturation
level (SpO2). It is the primary determinant of how efficiently the body transfers oxygen from …

Non-contact measurement of neck pulses achieved by imaging micro-motions in the neck skin

Q He, W Geng, W Li, RK Wang - Biomedical Optics Express, 2023 - opg.optica.org
We report a method and system of micro-motion imaging (µMI) to realize non-contact
measurement of neck pulses. The system employs a 16-bit camera to acquire videos of the …

Contactless SpO2 Detection from Face Using Consumer Camera

L Zhu, K Vatanparvar, M Gwak… - 2022 IEEE-EMBS …, 2022 - ieeexplore.ieee.org
We describe a novel computational framework for contactless oxygen saturation (SpO 2)
detection using videos recorded from human faces using smartphone cameras with ambient …