Abstract
Recently, monitoring of physiological signs such as heart rate and respiratory rate is very important, especially when we are talking about pandemics like Covid-19. In this paper we present a state of the art on the different techniques used for heart rate and respiratory rate extraction. These techniques presented will be based on image processing, were traditional sensor-based techniques creating a lot of problem at the contact level between patient and doctor. For this reason, we focus on non-contact techniques to avoid these problems. Generally, the literature review shows that non-contact monitoring techniques are based on RGB, thermal and multispectral cameras, the choice between these different cameras depends on the application that will be used. For example, thermal cameras are dedicated to the prediction of respiratory rate and temperature, while RGB and multispectral cameras are used for heart rate.
Highlights
The human race has survived many contagious pandemics, from smallpox, pass-ing by the Measles, Viral haemorrhagic fevers,Severe acute respiratory syndrome, H5N1, Spanish flu, arriving to the pandemic that has moved all communities today which is the Covid-19[1,2]
From years ago, embedded systems and biomedical engineering have been shown a very major role in responding to biomedical problems. This role be-comes more important than any other time due to what the world is living today be-cause of the pandemic Covid-19 that has spread globally, but what is sure is this pandemic is not the only one that affects heart rate, temperature, and respiratory rate which should be monitored by a medical team, in order to be ready for any interven-tion [5,6]
Khanamet al 2019, we find a summary of the known used methods in remote monitoring of vital signs [14]
Summary
The human race has survived many contagious pandemics, from smallpox, pass-ing by the Measles, Viral haemorrhagic fevers,Severe acute respiratory syndrome, H5N1, Spanish flu, arriving to the pandemic that has moved all communities today which is the Covid-19[1,2]. The common point between all these diseases is that all those pandemics were contagious, with different degrees of risk Healthcare system in such cases should be based on non-contact approaches to avoid any influence. From years ago, embedded systems and biomedical engineering have been shown a very major role in responding to biomedical problems A days, this role be-comes more important than any other time due to what the world is living today be-cause of the pandemic Covid-19 that has spread globally, but what is sure is this pandemic is not the only one that affects heart rate, temperature, and respiratory rate which should be monitored by a medical team, in order to be ready for any interven-tion [5,6]. The 3rd part is reserved for the discussion and proposed solution and the paper ends with a conclusion
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