Camera IR (Infra-red), also known as infrared camera, is a common CCTV device with additional infrared lights (infrared LED). This sensor will blink continuously in low-light environments (night, dark corners ...), helping the camera to observe scenes in the dark (black and white photos).
To be able to accommodate face unlock , your laptop must have an IR camera.
The IR camera (or infrared camera) will blink to increase the light source and use the infrared sensor to capture the image. Then the computer system will compare the image obtained from the infrared sensor with the original image data to unlock your laptop.
Currently, in parallel with fingerprint security , on the market there are more and more laptops supporting facial recognition for the convenience it creates.
Some laptop models are sold at WebTech360
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