3D image sensor for face authentication

January 09, 2020 //By Wisse Hettinga
3D image sensor for face authentication
At the CES 2020 Infineon presents the world’s smallest 3D image sensor for face authentication and photo effects on smartphones

Reliable face authentication, improved photo functions and authentic augmented reality experiences: 3D depth sensors assume a key role in smartphones and for applications that rely on accurate 3D image data. Infineon Technologies AG has collaborated with software and 3D Time of Flight system specialist pmdtechnologies ag to develop the world’s smallest and at the same time most powerful 3D image sensor, and is presenting it at CES in Las Vegas. The new REAL3™ single-chip solution measures just 4.4 x 5.1 mm and is the fifth generation of successful time-of-flight deep sensors from Infineon. In addition to its small dimensions, which allow it to be incorporated into even the smallest devices with just a few elements, the chip provides the highest resolution data with low power consumption.

The depth sensor time-of-flight technology enables an accurate 3D image of faces, hand details or objects which is relevant when it must be ensured that the image matches the original. This is already applied in payment transactions using mobile phones or devices that need no bank details, bank cards or cashiers and the payment is carried out instead via facial recognition. This requires an extremely reliable and secure image and return transmission of the high-resolution 3D image data. The same applies to securely unlocking devices with a 3D image. The Infineon 3D image sensor also implements this in particular in extreme lighting conditions such as strong sunlight or in the dark.


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