Face recognition temperature measurement and Infrared Measurement Temperature

- Jun 03, 2020-

The temperature measurement system for face recognition actually adds the function of face recognition on the basis of infrared temperature measurement. The principle of temperature measurement of the two is basically the same.

In addition to the light that can be seen by the human eye (usually called visible light), there are also non-visible light such as ultraviolet rays and infrared rays in nature. Any object with a temperature above absolute zero (-273°C) in nature radiates electromagnetic waves (infrared rays) at any time, so infrared rays are the most widespread electromagnetic waves in nature, and thermal infrared rays are not absorbed by atmospheric smoke clouds. With the rapid development of science and technology, the use of infrared characteristics, the combination of applied electronic technology and computer software with infrared technology, is used to detect and measure thermal radiation. The size of the heat radiated from the surface of the object, the thermal sensor obtains different heat differences, and through the processing of electronic technology and software technology, it presents images with different light and dark or color differences, which is what we usually say infrared thermal imaging; After the heat is converted by the heat radiation algorithm, the conversion between the thermal image and the temperature is realized.

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The core of the human body temperature measurement camera technology is a dual-spectral imaging camera with infrared thermal image and visible light image. The dual-spectral imaging camera is installed in the entrance and exit channels so that the lens looks directly at the bayonet position of the channel (note: accurate temperature measurement must be at the point of detection Configure a black body instrument for temperature reference correction of the inspected person); the temperature measurement camera performs online real-time temperature measurement on the exposed parts of the face, forehead and other bodies of the person passing the bayonet. When the detected temperature is higher than the set temperature (such as 37.3 ℃), there is suspected fever personnel, the system will immediately lock the highest temperature personnel and alert the duty personnel, according to the plan for disposal.

face recognition machine

After adding the face recognition function, you can realize offline face recognition, body temperature detection, mask recognition, identity verification, on-site face collection, blacklist early warning, people taking pictures, live detection and other functions