Mr. Padma Polash Paul Profile

Padma Polash Paul

at Univ of Calgary

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Proceedings Article | 10 May 2012 Paper

Multimodal biometric approach for cancelable face template generation

Padma Polash Paul, Marina Gavrilova

Proceedings Volume 8407, 84070H (2012) https://doi.org/10.1117/12.921601

KEYWORDS: Biometrics, Databases, Fuzzy logic, Computer security, Multimodal biometric systems, System identification, Laser induced plasma spectroscopy, Control systems, Information fusion, Information security

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Due to the rapid growth of biometric technology, template protection becomes crucial to secure integrity of the biometric security system and prevent unauthorized access. Cancelable biometrics is emerging as one of the best solutions to secure the biometric identification and verification system. We present a novel technique for robust cancelable template generation algorithm that takes advantage of the multimodal biometric using feature level fusion. Feature level fusion of different facial features is applied to generate the cancelable template. A proposed algorithm based on the multi-fold random projection and fuzzy communication scheme is used for this purpose. In cancelable template generation, one of the main difficulties is keeping interclass variance of the feature. We have found that interclass variations of the features that are lost during multi fold random projection can be recovered using fusion of different feature subsets and projecting in a new feature domain. Applying the multimodal technique in feature level, we enhance the interclass variability hence improving the performance of the system. We have tested the system for classifier fusion for different feature subset and different cancelable template fusion. Experiments have shown that cancelable template improves the performance of the biometric system compared with the original template.

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