What is an IR camera on a laptop?

Face unlock on laptops is no longer a strange feature for users, to be able to use this feature, your laptop requires an IR camera. So what is the IR camera on a laptop and what is its practical effect? Let’s refer!

What is IR camera?

IR camera (Infra-red), also known as infrared camera, is a common CCTV device with 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).

How does the IR camera on a laptop work?

The equipped IR camera on the laptop is for the purpose of face unlock .

The security method is as follows:

– The IR camera (or infrared camera) will blink continuously hundreds of times per second to increase the light source and use the infrared sensor to capture black and white images.

– Then the computer system will analyze the image obtained from the infrared sensor compared to the original image data to unlock your laptop.

Compared with security methods by key code, fingerprint, etc., face security is more convenient , helping users log in to locked accounts faster and simpler. However, this security method is currently only available when the laptop is integrated with an IR camera.

Currently, in parallel with fingerprint security, there are more and more laptops on the market that support face recognition, typically on some Asus and Lenovo laptops for convenience and safety. it creates.

Surely, more or less you will feel interesting with information about IR Camera and how to use it as an effective and highly secure security method on laptops. Do you want to learn and invest in a laptop equipped with IR Camera? Check out more from Tnhelearning.edu.vn!