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Researchers Show Vulnerabilities in Facial Recognition
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JohnW891
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JohnW891,
User Rank: Apprentice
8/12/2019 | 2:04:18 PM
There's More To This
Face recognition is a part of face biometrics that includes face authentication, a materially different approach. Recognition is based entirely on image matching. There is no liveness detection, the primary differentiator that allows an authentication system to both verify what the camera sees with what is on file *and* determine whether that "correct" person is actually alive at the time of the access request. But, not in that order.

Liveness detection (liveness.com) is key to actual authentication because is assess, literally, dozens of unique human attributes to determine that *together* they add up to a real human. If the liveness test isn't passed first, there is no need to match images. This prevents things like detailed masks, 4K video, etc. from standing in for the real person.

In addition, the data acquisition method for recognition is based on 2D images. In true authentication, 3D images provide far more signal to work with. This is why Face ID, even though it has no liveness detection, works better most of the time than the legacy algorithms that have powered recognition for, literally, decades. It has more to work with to make a more accurate match. But, as was seen (just look it up on YouTube), it's easy to spoof. And Apple will *never* subject it's tech to a transparent test, so we only have social proof to work with.

This is old news.


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