Body temperature determining method suitable for infrared body temperature screening system
A determination method and technology of body temperature screening are applied in the field of body temperature determination of infrared body temperature screening system, which can solve the problems of large distance influence and poor environmental adaptability, and achieve the effects of good stability, high precision and good environmental adaptability.
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[0029] The following is attached figure 1 Specific embodiments of the present invention are described in detail.
[0030] The present invention proposes a body temperature determination method suitable for an infrared body temperature screening system, which includes: reading the forehead gray value, the ambient temperature and the distance information of the measured person, the mapping relationship between the blackbody temperature and the gray value, and the measured person Nominal forehead temperature calculation, conversion of nominal forehead temperature and body temperature.
[0031] Such as figure 1 As shown, in the temperature measurement method, the ambient temperature value T e Obtained by the temperature sensor, the measured distance value d m It is obtained by a TOF camera, and the gray value of the forehead of the measured person is obtained by an infrared thermal imager. The corresponding relationship between forehead gray value and nominal forehead temperat...
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