A method of calibrating an infrared (IR) camera including a pixel array housed in a housing, the pixel array having an image sensor and one or more parasitic heat sensing pixels arranged to receive infrared light from different portions of an interior surface of the housing, the method including: receiving, by a processing device, one or more readings from each of the parasitic heat sensing pixels and from each pixel of the pixel array; and generating, by the processing device based on the one or more readings, one or more conversion matrices for converting readings from the parasitic heat sensing pixels into pixel correction values for performing 2D signal correction of the image.

A method of calibrating an infrared (IR) camera including a pixel array housed in a housing, the pixel array having an image sensor and one or more parasitic heat sensing pixels arranged to receive infrared light from different portions of an interior surface of the housing, the method including: receiving, by a processing device, one or more readings from each of the parasitic heat sensing pixels and from each pixel of the pixel array; and generating, by the processing device based on the one or more readings, one or more conversion matrices for converting readings from the parasitic heat sensing pixels into pixel correction values for performing 2D signal correction of the image.

A temperature detection system includes a housing, a thermal imaging system at least partially disposed within the housing, and a data correction system communicatively coupled with the thermal imaging system. The thermal imaging system is configured to capture at least one thermal image of a subject. The data correction system is configured to correct at least one error associated with the at least one thermal image of the subject.

A method for estimating human body temperature includes receiving, via a thermal camera, one or more thermal images captured of a real-world environment, the one or more thermal images including thermal intensity values for each of a plurality of pixels. Positions of a plurality of human faces are identified in the one or more thermal images. A distribution of thermal intensity values of the plurality of human faces is determined. A position of a test human face of a test human subject is identified within a subsequent thermal image. One or more test thermal intensity values of one or more pixels corresponding to the test human face are identified. An indication of a body temperature of the test human subject is reported based on a comparison of the one or more test thermal intensity values and the distribution of thermal intensity values of the plurality of human faces.

The invention relates to an infrared thermometer and a forehead temperature correction and measurement method. The infrared thermometer comprises a temperature sensor, a corrector, a processor, and a display device. The temperature sensor is configured for measuring an actual temperature. In a correction mode, the corrector records actual temperature of an ear and a forehead of a user as an ear temperature and a forehead temperature respectively. In a forehead temperature measurement mode, the processor generates a body temperature according to a measured forehead temperature and the forehead temperature correction value, and the display device displays the body temperature. The infrared thermometer and the forehead temperature correction and measurement method can realize accurate measurement of the forehead temperature.

A temperature measuring device includes a device main body, a signal control module, a movable shutter module, and a first and a second non-contacting temperature sensing module. The movable shutter module includes an electric control driver, a movable shutter structure, and an electric control heater, and the movable shutter structure includes a black substance for generating a predetermined heating temperature from being heated by the electric control heater. The first non-contacting temperature sensing module is configured for measuring an object temperature of an object so as to obtain object temperature information of the object. The second non-contacting temperature sensing module is configured for measuring the predetermined heating temperature generated by the black substance of the movable shutter structure so as to obtain black body temperature information of the black substance. The first non-contacting temperature sensing module can be calibrated according to the black body temperature information.

A radiation temperature measuring device includes: an infrared sensor that detects a wavelength including an absorption band by atmosphere; an absorption rate calculation unit that calculates an absorption rate by the atmosphere when measuring a surface temperature of an object from output of the infrared sensor; an output storage unit that stores conversion information for converting the output of the infrared sensor into the surface temperature of the object; a surface temperature calculation correction unit that calculates the surface temperature of the object from the output of the infrared sensor, the absorption rate calculated by the absorption rate calculation unit, and the conversion information; and an absorption rate storage unit that stores in advance the absorption rate by the atmosphere when the conversion information is set, in which the calculated surface temperature of the object is corrected with the absorption rate stored in the absorption rate storage unit.

Aspects of the present disclosure relation to systems, methods, and apparatus for correcting thermal processing of substrates. In one aspect, a corrective absorption factor curve having a plurality of corrective absorption factors is generated.

A temperature calibration method for an ear thermometer with a probe cover is provided. The temperature calibration method includes: providing the ear thermometer with the probe cover, the ear thermometer including a plurality of activation elements which are configured to sense an infrared transmittance of the probe cover to obtain a measured transmittance value; using the ear thermometer to measure an object to be tested to obtain an uncalibrated temperature; obtaining an infrared radiation energy emitted by the object to be tested, according to the uncalibrated temperature, the measured transmittance value, a preset transmittance value, and a radiation energy measurement formula; and calibrating the uncalibrated temperature to a calibrated temperature, according to a temperature calibration function.

A thermometer includes an input unit, a control unit, a temperature sensor and an output unit. In response to an input operation is applied on the input unit, the control unit starts to perform a temperature detecting procedure, wherein the control unit instructs the temperature sensor to periodically perform a plurality of temperature detecting operations to obtain a plurality of detected temperature values corresponding to the temperature detecting operations, and only records X largest valid temperature values among the obtained temperature values. In response to determining that the performed temperature to detecting procedure is completed, the control unit removes the largest one among the recorded valid temperature values and calculates an average value of the remaining one or more target temperature values as a temperature of a target object, so as to instruct the output unit display the temperature.