Fingerprint Biometrics
For access control, biometrics is seen by many as an attractive alternative to the old password-based system. Using a password is insecure, as they can easily be forgotten or stolen. They have nothing to do with identity. Biometrics, on the other hand, uses the physical or behavioral uniqueness of an individual for identification and can therefore not be stolen. There are many forms of biometric system available - each using a different characteristic of the individual for recognition. These characteristics would include retina scanning, face geometry or even voice prints. This essay will explore the use of fingerprints as a biometric security measure.Fingerprints are the most widely used biometric (http://www.biometrics.co.za/tech_Economist.htm). They have the advantage of being cheaper and simpler than most other biometrics. Modern fingerprint readers are very small and it's also simple to implement since a fingerprint-reader can sit on a mouse or keyboard, or simply connect like one.A fingerprint is made up of ridges that take the shape of loops, arches, and whorls. Instead of scanning each ridge, fingerprint-based biometrics look for minutiae (small lines on the surface of the skin). An algorithm extracts minutiae points
It has been estimated that as many as 4% of people can't be covered by fingerprint-ID biometrics systems because of the comparatively blurry quality of their prints. "Identification is a matching process wherein a biometric sample is compared to a set of stored samples in a database. Using fingerprint biometric measures for identification purposes can prove to be extremely hardware intensive for large numbers for a large database. In his first experiment, he took a live finger and made a plastic mold of it. htm)There are 2 basic types of fingerprint scanning: silicon and optical, but there is a third emerging technology worth mentioning. "One example of a store using fingerprint technology is "West Seattle Thriftway" in the USA. from an image and then creates a template. au/la/it/ipmnotes/biometrics/biobasics.
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