Cascaded multimodal biometric recognition framework

Asim Baig, Ahmed Bouridane, Fatih Kurugollu, Badr Albesher

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

A practically viable multi-biometric recognition system should not only be stable, robust and accurate but should also adhere to real-time processing speed and memory constraints. This study proposes a cascaded classifier-based framework for use in biometric recognition systems. The proposed framework utilises a set of weak classifiers to reduce the enrolled users' dataset to a small list of candidate users. This list is then used by a strong classifier set as the final stage of the cascade to formulate the decision. At each stage, the candidate list is generated by a Mahalanobis distance-based match score quality measure. One of the key features of the authors framework is that each classifier in the ensemble can be designed to use a different modality thus providing the advantages of a truly multimodal biometric recognition system. In addition, it is one of the first truly multimodal cascaded classifier-based approaches for biometric recognition. The performance of the proposed system is evaluated both for single and multimodalities to demonstrate the effectiveness of the approach.
Original languageEnglish
Pages (from-to)16-28
Number of pages13
JournalIET Biometrics
Volume3
Issue number1
DOIs
Publication statusPublished - Mar 2014

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