Samsung could be working on a pretty cool system for facial recognition. One involving two cameras under the display. It is described in a patent application filed by Samsung with the Korea Intellectual Property Rights Information Service (KIPRIS) in March 2021. The document in question was made public last week and taken from a Dutch publication.
Basically, the idea is quite simple: get more user images from two angles to better build a 3D model of the face and use it for authentication purposes. Samsung specifically mentions using under-display cameras, which is interesting in its own right. So far the Korean giant has more or less just experimented with the technology on its Galaxy Fold line without a broader release. One speculation therefore would be that Samsung is exploring this new dual UDC technology for its folding. And while that may very well be true, we believe the technology has wider implications and that the desire to use UDC cameras stems from the need to have the two cameras as far apart as possible to achieve two different user angles. This may require placing a camera near the bottom of the phone around where your fingerprints now reside below the display. Perhaps even by combining the two into a single optical module.
The patent doesn’t go into so much detail. However, it shows a model of a normal “slab” style phone with two UDC cameras: one on the top and one on the bottom. Another thing mentioned in the patent is the measurement of the pupil size. The idea is that the size of a human’s pupil should vary depending on the lighting conditions. This could be used as an additional security measure against using things like photos or masks to cheat facial authentication.
The concept is certainly interesting, but it should be noted that at this stage it is only a concept, not a real product or any indication of one. However, we will keep an eye on any further developments.
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