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Reseach Article

Transformation based Approach of Combining Iris and Fingerprint Biometric at Confidence Level

by S. M. Rajbhoj, P. B. Mane
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 116 - Number 13
Year of Publication: 2015
Authors: S. M. Rajbhoj, P. B. Mane

S. M. Rajbhoj, P. B. Mane . Transformation based Approach of Combining Iris and Fingerprint Biometric at Confidence Level. International Journal of Computer Applications. 116, 13 ( April 2015), 1-5. DOI=10.5120/20393-2688

@article{ 10.5120/20393-2688,
author = { S. M. Rajbhoj, P. B. Mane },
title = { Transformation based Approach of Combining Iris and Fingerprint Biometric at Confidence Level },
journal = { International Journal of Computer Applications },
issue_date = { April 2015 },
volume = { 116 },
number = { 13 },
month = { April },
year = { 2015 },
issn = { 0975-8887 },
pages = { 1-5 },
numpages = {9},
url = { },
doi = { 10.5120/20393-2688 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
%0 Journal Article
%1 2024-02-06T22:56:59.341981+05:30
%A S. M. Rajbhoj
%A P. B. Mane
%T Transformation based Approach of Combining Iris and Fingerprint Biometric at Confidence Level
%J International Journal of Computer Applications
%@ 0975-8887
%V 116
%N 13
%P 1-5
%D 2015
%I Foundation of Computer Science (FCS), NY, USA

Unimodal Biometric systems depending on information from single trait has many limitations. These are noisy input, inability to enroll into system, unacceptable error rates, spoofing and universality of traits. Multibiometric systems is likely to enhance the recognition accuracy by integration the evidence presented by multiple sources of information. In this paper a multibiometric system using transformation based fusion of two most used biometric traits, fingerprint and iris at confidence level is proposed. Features are extracted from individual biometric modalities by efficient algorithm. These features are first matched with their corresponding templates to compute the corresponding match scores. Match scores obtained from different traits are then transformed using different techniques and combined by simple sum rule to generate a fused match score. The proposed framework is evaluated using standard database. This system overcomes limitation of unimodal biometric system and gives improved performance accuracy. An equal error rate achieved by this system is 0. 400. The benefit of this approach is that, it does not require any estimation as in density based approach or a large number of training score as in classifier based approach. Image or feature level fusion is expected to result in better performance, but this approach outperforms feature level as well as decision level fusion of iris and fingerprint.

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Index Terms

Computer Science
Information Sciences


Biometric unimodal multibiometric match score confidence level fusion ROC.