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The classical fingerprint recognition system can be compromised at the database and the sensor. Therefore, to beef up security of the fingerprint recognition system, reversible watermarking is proposed to protect these two points. Reversible watermarks thwart manipulations, $${viz}$$ v i z ., copy and replay attacks and ensure that native fingerprint recognition accuracy remains unaffected...
For every biometric template protecting technique, non-reversibility, accuracy, and revocability are essential features. Several template protecting techniques like bio-hash or biometric crypto system are used to transform raw biometric features into alternative form known as protected template [2]. As the protected templates are non-reversible, biometric verification is done in a transform domain...
Digital image-watermarking can be casted as an optimization problem with solution satisfying fidelity, robustness and security constraints. Most of discrete wavelet transform (DWT) and singular value decomposition (SVD) based approaches highlights tradeoff between fidelity and robustness with lesser discussion on security. In this paper, authors propose a novel watermarking approach based on DWT and...
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