23 April 2012 A secure approach for encrypting and compressing biometric information employing orthogonal code and steganography
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Abstract
The objective of this paper is to develop a novel approach for encryption and compression of biometric information utilizing orthogonal coding and steganography techniques. Multiple biometric signatures are encrypted individually using orthogonal codes and then multiplexed together to form a single image, which is then embedded in a cover image using the proposed steganography technique. The proposed technique employs three least significant bits for this purpose and a secret key is developed to choose one from among these bits to be replaced by the corresponding bit of the biometric image. The proposed technique offers secure transmission of multiple biometric signatures in an identification document which will be protected from unauthorized steganalysis attempt.
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Muhammad Faysal Islam, Mohammed Nazrul Islam, "A secure approach for encrypting and compressing biometric information employing orthogonal code and steganography", Proc. SPIE 8398, Optical Pattern Recognition XXIII, 83980I (23 April 2012); doi: 10.1117/12.918648; https://doi.org/10.1117/12.918648
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