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15 Février 2021
Much of our digital lives is stored on iPhone and iPad, and it's important to protect that information. In the same way that Touch ID revolutionised authentication using a fingerprint, Face ID revolutionises authentication using facial recognition. Face ID provides intuitive and secure authentication enabled by the state-of-the-art TrueDepth camera system, with advanced technologies to accurately map the geometry of your face.
With a simple glance, Face ID securely unlocks your iPhone or iPad Pro. You can use it to authorise purchases from the iTunes Store, App Store and Apple Books, and payments with Apple Pay. Developers can also allow you to use Face ID to sign in to their apps. Apps that support Touch ID automatically support Face ID.
Face ID is available on iPhone X and later, and iPad Pro models with the A12X Bionic chip.
Apple said Face ID would eventually carry over to Macs, although no specific timeframe is known. A patent that surfaced in early 2020 indicated that the MacBook Pro and iMac would be the first. Apple's Face ID is the successor to its Touch ID technology, moving biometric hardware-based authentication from the finger to the face. It relies on the company's TrueDepth sensor platform to.
The technology that enables Face ID is some of the most advanced hardware and software we've ever created. The TrueDepth camera captures accurate face data by projecting and analysing over 30,000 invisible dots to create a depth map of your face. It also captures an infrared image of your face. A portion of the neural engine of the A11, A12 Bionic, A12X Bionic and A13 Bionic chips – protected within the Secure Enclave – transforms the depth map and infrared image into a mathematical representation and compares that representation with the enrolled facial data.
Face ID automatically adapts to changes in your appearance, such as wearing make-up or growing facial hair. If there is a more significant change in your appearance, such as shaving off a full beard, Face ID confirms your identity by using your passcode before it updates your face 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.
To start using Face ID, you need to first enrol your face. You can do this during the initial setup process or at a later time by going to Settings > Face ID & Passcode. To unlock your device using Face ID, simply glance at it. Face ID requires that the TrueDepth camera sees your face, whether your device is lying on a surface or you're holding it in a natural position. The TrueDepth camera has a similar range of view as when you take a photo or make a FaceTime call with the front camera. Face ID works best when the device is at arm's length or closer (25–50 cm away from your face).
The TrueDepth camera is intelligently activated; for example, by tapping to wake your screen, from an incoming notification that wakes the screen, or by raising to wake your iPhone. Each time you unlock your device, the TrueDepth camera recognises you by capturing accurate depth data and an infrared image. This information is matched against the stored mathematical representation to authenticate.
Security is important to all of us to protect information on our devices. We have done some important things to safeguard your information, just as we did with Touch ID. Face ID uses the TrueDepth camera and machine learning for a secure authentication solution. Face ID data – including mathematical representations of your face – is encrypted and protected with a key available only to the Secure Enclave.
The probability that a random person in the population could look at your iPhone or iPad Pro and unlock it using Face ID is approximately 1 in 1,000,000 with a single enrolled appearance. As an additional protection, Face ID allows only five unsuccessful match attempts before a passcode is required. The statistical probability is different for twins and siblings that look like you, and among children under the age of 13 because their distinct facial features may not have developed fully. If you're concerned about this, we recommend using a passcode to authenticate.
Face ID matches against depth information, which isn't found in print or 2D digital photographs. It's designed to protect against spoofing by masks or other techniques through the use of sophisticated anti-spoofing neural networks.Face ID is even attention aware. It recognises whether your eyes are open and your attention is directed towards the device. This makes it more difficult for someone to unlock your device without your knowledge (such as when you are sleeping).
To use Face ID, you must set up a passcode on your device. You must enter your passcode for additional security validation when:
If your device is lost or stolen, you can prevent Face ID from being used to unlock your device with Find My iPhone Lost Mode.
Privacy is incredibly important to Apple. Face ID data – including mathematical representations of your face – is encrypted and protected by the Secure Enclave. This data will be refined and updated as you use Face ID to improve your experience, including when you successfully authenticate. Face ID will also update this data when it detects a close match but a passcode is subsequently entered to unlock the device. Face ID data doesn't leave your device and is never backed up to iCloud or anywhere else.
If you choose to enrol in Face ID, you can control how it's used or disable it at any time. For example, if you don't want to use Face ID to unlock your device, open Settings > Face ID & Passcode > Use Face ID and disable iPhone Unlock or iPad Unlock. To disable Face ID, open Settings > Face ID & Passcode and tap Reset Face ID. Doing so will delete Face ID data, including mathematical representations of your face, from your device. If you choose to erase or reset your device using Find My iPhone or by erasing all content and settings, all Face ID data will be deleted.
Even if you don't enrol in Face ID, the TrueDepth camera is activated intelligently to support attention-aware features, such as dimming the display if you aren't looking at your device or lowering the volume of alerts if you're looking at your device. For example, when using Safari, your device checks if you're looking at your device and turns the screen off if you aren't. If you don't want to use these features, you can open Settings > Face ID & Passcode and disable Attention Aware Features.
Within supported apps, you can enable Face ID for authentication. Apps are only notified as to whether the authentication is successful. Apps can't access Face ID data associated with the enrolled face.
iPhone and iPad Pro and the TrueDepth camera system have been thoroughly tested and meet international safety standards. The TrueDepth camera system is safe to use under normal usage conditions. The system will not cause any harm to eyes or skin, due to its low output. It's important to know that the infrared emitters could be damaged during repair or disassembly, so your device should always be serviced by Apple or an Authorised Service Provider. The TrueDepth camera system incorporates tamper-detection features. If tampering is detected, the system may be disabled for safety reasons.
When viewed through certain types of cameras, you may notice light output from the TrueDepth camera. This is expected as some cameras may detect infrared light. Some may also notice a faint light output from the TrueDepth camera when viewed in a very dark room. This is expected in extremely dark settings.
Accessibility is an integral part of Apple products. Users with physical limitations can select 'Accessibility Options' during enrolment.This setting doesn't require the full range of head motion to capture different angles and is still secure to use but requires more consistency in how you look at your iPhone or iPad Pro.
Face ID also has an accessibility feature to support individuals who are blind or have low vision. If you don't want Face ID to require you to look at your device with your eyes open, you can open Settings > General > Accessibility and disable Require Attention for Face ID. Adobe premiere pro software free download for mac. This is automatically disabled if you enable VoiceOver during initial setup.
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