How Does Fingerprinting Technology Work?

How Does Fingerprinting Technology Work?

How Does Fingerprinting Technology Work?

Today, Fingerprinting technology is the most popular form of security system being used. This particular system can prevent signatures from being forged, as well as provide personalized access to a room or building. You can find scanners and similar technology in buildings, police stations and even on computers.

Fingerprinting technology is a reliable and convenient means of identifying or verifying a particular person. Fingerprinting products and systems differ slightly from one another. The main premise, however, is pretty much the same. Users may deem this form of technology as simple enough, but there is state-of-the-art technology involved. How does it work?

Understanding fingerprints

Each fingerprint is composed of ridges, furrows and other characteristics commonly referred to as minutiae. Minutiae can usually be found in certain parts of the fingerprint, near the center of the fingertip. Every person has a unique set of fingerprints. No two people, including twins, have the same set of fingerprints.

Scanning fingerprints

If you are using fingerprinting technology for the first time in a particular location or system, you are usually asked to place your fingertip on top of a scanner. This scanner will capture these ridges and patterns on your fingers through a gray-scale digital image. Oftentimes, you will then be asked to input details such as your name and other necessary details.

Components of fingerprinting technology

Most types of fingerprinting technology are made up of a sensor, a processor and software. The sensor simply scans a person's fingerprints. The processor then proceeds to store this image into a database. The software matches the image to an entry in the system's database. All fingerprints have their own PIN number or reference number, which corresponds to a person's name or account in the database.

Verification or identification processes

Fingerprinting technology makes use of either a verification process or an identification process.

In the verification process of this particular system, users will have to identify who they are and have their fingerprinting scanned. The system will compare a fingerprint with the details provided by a particular user. If the two match, then the user is verified.

If the system uses an identification process, then users will not need to identify themselves or state how they are. A user's fingerprint will be scanned and compared to the fingerprints of the various registered users found in the database. Once a match has been made, a user is then identified as an existing user.

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