Monitoring of Physiological Signs and Their Impact on The Covid-19 Pandemic: Review

Recently, monitoring of physiological signs such as heart rate and respiratory is very important, especially when we are talking about pandemics like Covid-19. In this paper present a state the art on different techniques used for extraction. These presented will be based image processing, were traditional sensor-based creating lot problem at contact level between patient doctor. For reason, focus non-contact to avoid these problems. Generally, literature review shows that RGB, thermal multispectral cameras, choice cameras depends application used. example, dedicated prediction temperature, while RGB rate.