How face unlock in Google Pixel 4 will be different from Apple Face ID?

by July 30, 2019 0 comments

Google, with its Pixel series, had made it very clear that the search giant is serious towards its smartphone business. Google Pixel 3 is already proclaimed by many as one of the best camera phones available today, but what about privacy? While Apple offered a new innovative way of unlocking smartphones by introducing Face Unlock in its iPhone X series, Google took its own sweet time to introduce face unlock in Pixel 4 by engineering it differently.

How Face ID works on Apple iPhone X and above?

Face ID uses a TrueDepth camera system consisting of a dot projector, infrared camera, and flood illuminator, and is powered by A11 Bionic to accurately map and recognize a face. With these advanced depth-sensing technologies, Apple designed a system which offers a secure way to unlock your iPhones, gain access to secure apps and many more new features.

According to Apple, Face ID projects more than 30,000 invisible IR dots. The IR image and dot pattern are pushed through neural networks to create a mathematical model of your face and the data is then sent to the secure server to confirm a match while adapting to physical changes in appearance over time. Apple says, all saved facial information is protected by the secure servers to keep data extremely secure, while all of the processing is done on-device and not in the cloud to protect user privacy. Face ID only unlocks iPhone X when customers look at it and are designed to prevent spoofing by photos or masks.

How is engineering differently in Google Pixel 4?

Google believes unlocking your Pixel phone should be easy, fast, and secure. Your device should be able to recognize you—and only you—without any fuss.

While other phones including Apple iPhone X require you to lift the device all the way up, pose in a certain way, wait for it to unlock, and then swipe to get to the home screen, Google wants to do all of these in the Pixel 4, but in a more streamlined way. In the case of Pixel 4, as you reach for the device, Soli proactively turns on the face unlock sensors, recognizing that you want to unlock your phone. If the face unlocks sensors and algorithms in the Pixel 4 recognize you, the phone will open as you pick it up, all in one motion.

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