Biometric Security: Implementation, Investigation, and Types of Devices

Information
Technology

INTRODUCTION
 Biometric consists of two words 'bio' means life and
metrics which means 'metrikos'.
 Biometric-security is used for the purpose of
identification and verification of individual.
 For the purpose of identification different biological
traits are considered.

Implementation of Biometric Security
 Biometric-security can be implemented in any device by
installing the software and providing scanner as an
additional hardware to provide input device.
 Then comparison between provided input and store data
takes places on the basis of that locking and unlocking
depends.

Steps involved in investigation
The investigation process of biometric- fingerprint scanner
depends on three stages such as:
 Image enhancement
 Minutiae extraction
 Minutiae matching

Image Enhancement
Under this methodology image is capture and processed
through algorithm. Stages of algorithm are mentioned
below.
 Normalization
 Local orientation estimation
 Local frequency estimation
 Region mask identification
 Filtering

Minutiae extraction & matching
 The process of minutiae extraction convert image into
binary formate and then compare with other adjacent
pixels in order to produce considerable output image.
 In the process of minutiae matching comparison of
image takes place between the image in database and
input one.