Large Scale Cloud for Biometric Identification

This article aims to propose a large-scale cloud architecture to serve for biometric system that enrols large population. In identification mode of biometric system, a query template is matched with all stored templates in the database and a match is said to occur with the one with which match-value becomes highest. Hence the identification time = n ×t where n = database size and t = 1:1 matching time. As the database size n becomes sufficiently large, the identification time increases significantly. This leads to long response time of the system. However, achieving the n matching processes in parallel can bring down the total identification system from nt to t. This speeds up the proposed system n times than its sequential counterpart with the trade-off of the cost of resources for cloud and extra communication. The proposed architecture also takes care of threat to compromise secured data as they are passed to different nodes. This architecture passes inputs to cloud nodes hiding the identity-holder’s information so that stealing the identity data of an individual will not compromise the security of the system.