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Highly reliable because no two people have the same retinal pattern; Speedy results: Identity of the subject is verified very quickly; Disadvantages [12] Measurement accuracy can be affected by a disease such as cataracts; Measurement accuracy can also be affected by severe astigmatism; Scanning procedure is perceived by some as invasive
Iris scanner in action to identify people. A biometric device is a security identification and authentication device. Such devices use automated methods of verifying or recognising the identity of a living person based on a physiological or behavioral characteristic.
Laser types with distinct laser lines are shown above the wavelength bar, while below are shown lasers that can emit in a wavelength range. The height of the lines and bars gives an indication of the maximal power/pulse energy commercially available, while the color codifies the type of laser material (see the figure description for details).
A laser is a device that emits light through a process of optical ... which identifies how dangerous the laser is: ... People working with class 3B and class 4 lasers ...
Police in Spain said on November 21 they had used open-source investigative techniques to geolocate footage posted on social media showing a driver shining a laser beam at a trucker and that the ...
Since a laser beam has low divergence, the laser light appears as a small spot even at long distances; the user places the spot on the desired target and the barrel of the gun is aligned (but not necessarily allowing for bullet drop, windage, distance between the direction of the beam and the axis of the barrel, and the target mobility while ...
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Iris recognition biometric systems apply mathematical pattern-recognition techniques to images of the irises of an individual's eyes.. Iris recognition is an automated method of biometric identification that uses mathematical pattern-recognition techniques on video images of one or both of the irises of an individual's eyes, whose complex patterns are unique, stable, and can be seen from some ...
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