PROTECTIVE ASPECTS IN CONTACTLESS INFRARED THERMOGRAPHY FEVER SCREENING


Autoři: Vladan Bernard;  Erik Staffa;  Aleš Bourek;  Marek Dostál;  Vojtěch Mornstein;  Tomáš Jůza;  Jana Pokorná
Působiště autorů: Department of Biophysics, Faculty of Medicine, Masaryk University, Brno, Czech Republic
Vyšlo v časopise: Lékař a technika - Clinician and Technology No. 3, 2020, 50, 95-100
Kategorie: Original research
doi: 10.14311/CTJ.2020.3.03

Souhrn

Main symptoms found in patients with same diseases as for example COVID-19 is febrile. The infrared thermography (IRT) represents a fast measurement in case of screening in public places. One of the limitations of IRT is the resolution of sensor, which has close connection with the distance between camera and ROI. To maximize the effectivity of resolution of the camera is to reduce the distance from the object. The aim of presented study showed the possibility how to protect the camera or medical staff that operates the device against potential infection or contamination from the person with infection. Two protective foils of different thickness (40 μm; 9 μm) were tested as a barrier between the IRT and the ROI (black body model and human face). Even though the results have shown that the transparent foils decrease linearly the measured value of the temperature, it can be used as a protective barrier between IRT and the object if an appropriate recalculation is done during analysis of IRT images. Results are acceptable in the case of 9μm foil especially. The authors see this possibility as a minor concession from IRT standards but as a great help in health protection. The transparent foil can be used as protective barrier of the infrared camera.


Zdroje
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