Qualcomm's Fingerprint Sensors for Display represent a groundbreaking commercial solution, integrating mobile technology based on ultrasound. Alongside Qualcomm, Apple is reportedly exploring the potential of ultrasonic fingerprint recognition for on-display capabilities. While Qualcomm’s on-screen fingerprinting solution shows promise, mass production remains a ways off, possibly not happening until next year. Rumors suggest that Qualcomm’s latest ultrasonic fingerprint chip iteration grants vivo an exclusive period of protection.
Qualcomm made headlines by unveiling its face recognition technology for the first time at the 2017 Biometrics Technology and Applications Summit. They also showcased their ultrasonic fingerprinting tech and hardware token technology. By combining ultrasonic fingerprinting, face recognition, machine learning, and hardware tokens, Qualcomm has developed a comprehensive suite of security solutions tailored for mobile environments.
Looking closely at the public face recognition technology, Qualcomm introduced three key image processing modules. These include an iris module on the left, a passive light module for depth calculations in the center, and a motion recognition module on the right.
Liu Xuehui, Qualcomm's senior product manager, noted that iris technology hasn’t gained much traction in the mobile industry. Mobile manufacturers cited challenges like design complexity, high costs, and user experience issues. For instance, users must position themselves correctly, which can be tricky in bright lighting.
The passive light module essentially uses two cameras to capture images from slightly different angles and then overlaps them to compute the distance between objects. This approach is power-efficient and doesn't need an extra light source, though performance suffers in dim conditions.
There are whispers that iPhone 8 might leverage similar technology for depth sensing, utilizing an RGB camera and infrared light spots to create a 3D facial model. This method is likely to become standard across many devices moving forward.
Motion recognition, while promising for active 3D depth mapping, struggles in low-light scenarios. Beyond smartphone front-face recognition, this module opens possibilities for VR experiences, simultaneous localization, and mapping. VR users could benefit from quick environmental reconstructions overlaid onto their virtual worlds, creating a heightened sense of presence.
As technology evolves, these innovations highlight Qualcomm’s commitment to enhancing mobile security and user interaction. While there are still hurdles to overcome, the future of biometric technology looks increasingly promising.
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