Samsung seems to be developing dual under-display camera (UDC) technology

According to a patent filed by the South Korean company, Samsung appears to be working on a dual under-display camera (UDC) technology that will help it improve the facial recognition technology for the face unlocking feature. This configuration could include a method to scan the subject’s face from multiple angles at once, resulting in a 3D/stereoscopic scan to unlock the phone. The Galaxy Z Fold 4 has a 4-megapixel UDC that is located on the folding screen.

Samsung is developing a “method, apparatus, and storage medium for user authentication.” The company appears to be developing dual UDCs that will scan the user’s face from various angles in order to unlock the phone. Obtaining multiple scans from various cameras may provide a more accurate picture. Because the cameras are scanning the user’s face from different angles, the user’s face could be captured with more depth, which in theory would be less likely to fool than a more 2D image. Both of these could work together to make facial recognition more secure.

It should be noted that only the Samsung Galaxy Z Fold 4 currently has a UDC camera. The 4-megapixel camera is not of high quality, and we stated in our review that it should not be used for selfies. Apple has already pioneered FaceID technology and relies solely on face unlock to unlock the phone or tablet.


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