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The new Face ID technology: is it a revolutionary invention?

August 30, 2019

The first semi-automatic face recognition system founder.


Woodrow W. Bledsoe 

The first semi-automatic face recognition system was developed by Woodrow W. Bledsoe under contract to the US Government. This system required the administrator to locate features such as eyes, ears, nose and mouth on the photographs.


Face ID is some of the most advanced hardware and software that ever created. The TrueDepth camera captures accurate face data by projecting and analyzing over 30,000 invisible dots to create a depth map of user face and also captures an infrared image of user face. A portion of the neural engine of the A11, A12 Bionic, and A12X Bionic chip — protected within the Secure Enclave — transforms the depth map and infrared image into a mathematical representation and compares that representation to the enrolled facial data. Face ID is designed to work with hats, scarves, glasses, contact lenses, and many sunglasses. Furthermore, it's designed to work indoors, outdoors, and even in total darkness. Face ID automatically adapts to changes in user appearance, such as wearing cosmetic makeup or growing facial hair. Face ID works best when the device is arm’s length or less from user face (25-50 cm away from user face).  Each time user unlocking device, the TrueDepth camera recognizes user by capturing accurate depth data and an infrared image. This information is matched against the stored mathematical representation to authenticate.



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