Face Mask Detection with Contactless Temperature using MATLAB

Girinath, N; Swathi, R; Swedha, N; Nisarga, V

doi:10.1109/icosec54921.2022.9951884

Cited by 1 publication

(2 citation statements)

References 22 publications

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“…Thus, in the following, the emissivity of skin is assumed to be constant with a value of ε = 0.972, close to an ideal black body radiator. The result scales by 4 √ ε = 4 √ 0.972 = 0.993 (see [20]), meaning it is only slightly influenced by the skin color. However, the measured skin temperature fluctuates due to changing ambient and physiological conditions.…”

Section: Thermopile Sensor and Data Readoutmentioning

confidence: 99%

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Non-Contact Face Temperature Measurement by Thermopile-Based Data Fusion

Bhatti,

Engel,

Hampel

et al. 2023

Sensors

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Thermal imaging cameras and infrared (IR) temperature measurement devices act as state-of-the-art techniques for non-contact temperature determination of the skin surface. The former is cost-intensive in many cases for widespread application, and the latter requires manual alignment to the measuring point. Due to this background, this paper proposes a new method for automated, non-contact, and area-specific temperature measurement of the facial skin surface. It is based on the combined use of a low-cost thermopile sensor matrix and a 2D image sensor. The temperature values as well as the 2D image data are fused using a parametric affine transformation. Based on face recognition, this allows temperature values to be assigned to selected facial regions and used specifically to determine the skin surface temperature. The advantages of the proposed method are described. It is demonstrated by means of a participant study that the temperature absolute values, which are achieved without manual alignment in an automated manner, are comparable to a commercially available IR-based forehead thermometer.

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Section: Thermopile Sensor and Data Readoutmentioning

confidence: 99%

“…Existing state-of-the-art approaches have certain limitations. The majority of these systems are based on IR temperature measurement sensors [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 ]. IR thermometer-based approaches do not allow for tracking the contour of the face.…”

Section: Introductionmentioning

confidence: 99%