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Others have tried to reduce the size of the fingerprint by only looking around shot changes. [5] Video fingerprinting does not rely on any addition to the video stream. A video fingerprint cannot be removed, because it is not added. In addition, a reference video fingerprint can be created at any point, from any copy of the video. [6] [7]
Contactless fingerprint technology is the third generation: Wet-ink was followed by an option for "optics-based ... light reflected from the tops of fingerprints on a plate." [ 3 ] As of 2017, "face recognition technologies on the whole are in general less accurate than fingerprinting."
The camera on the iPhone 5 are protected by a sapphire lens cover, as are all subsequent models. [56] In 2014, Apple consumed "one-fourth of the world’s supply of sapphire to cover the iPhone’s camera lens and fingerprint reader." [57] The quality of the sapphire on the lens cover has since been disputed. [58]
The measure of the fingerprint image quality is in dots per inch (DPI). [8] Optical scanners take a visual image of the fingerprint using a digital camera. Capacitive or CMOS scanners use capacitors and thus electric current to form an image of the fingerprint. This type of scanner tends to excel in terms of precision.
Fingerprint sensors can be found on mobile devices. The fingerprint sensor is used to unlock the device and authorize actions, like money and file transfers, for example. It can be used to prevent a device from being used by an unauthorized person. It is also used in attendance in number of colleges and universities.
The back houses a capacitive fingerprint sensor centered below the camera lens, which was decently reliable at the time of release. Both have stereo loudspeakers, one located on the bottom edge and the other doubling as the earpiece, the main one being the bottom edge speaker, and a 3.5 mm headphone jack.
Different kinds of camera lenses, including wide angle, telephoto and speciality. A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses (compound lens) used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.
Content ID is a digital fingerprinting system developed by Google which is used to easily identify and manage copyrighted content on YouTube. Videos uploaded to YouTube are compared against audio and video files registered with Content ID by content owners, looking for any matches.
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