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Face Recognition Systems and Consumer Devices

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3D depth mapping of the human face is already familiar to users of smartphones, but how widely applicable is it to other smart consumer devices?

GILLES FLOREY, AMS AG

Many forms of biometric authentication are technically feasible, but one in particular has won acceptance in use cases that call for high security and minimal intrusiveness for the user: face recognition. Today, most people’s interactions with face recognition will occur in one of two ways: They’ll use it either to unlock their smartphones or to support authentication in applications such as mobile payments, or they'll use it at automated passport control machines when crossing a national border (Figure 1). Figure 1. The automatic passport gates at Heathrow...Read full article

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    Published: September 2019
    Glossary
    structured light
    The projection of a plane or grid pattern of light onto an object. It can be used for the determination of three-dimensional characteristics of the object from the observed deflections that result.
    micro-optics
    Micro-optics refers to the design, fabrication, and application of optical components and systems at a microscale level. These components are miniaturized optical elements that manipulate light at a microscopic level, providing functionalities such as focusing, collimating, splitting, and shaping light beams. Micro-optics play a crucial role in various fields, including telecommunications, imaging systems, medical devices, sensors, and consumer electronics. Key points about micro-optics: ...
    facial recognition3D mappingsmartphonesface recognitionHABA systemshome and building automation3D face recognitiontime-of-flight sensingstereo imagingstructured lightemittersmicro-opticsphotosensorsFeatures

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