Fingerprint Image Watermarking Using Encrypted Identification Number

Mustafa, Intan Shafinaz (2006) Fingerprint Image Watermarking Using Encrypted Identification Number. Masters thesis, Universiti Putra Malaysia.

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Abstract

Watermarking biometric data is growing importance and relatively new issue that used in authentication system. Watermarking is a technique of hiding specific data for copyright authentication. This data can be used to verify the ownership. Today, with the rapid growth of the Internet, the increased of functionality of computers and recent developments in fingerprint sensing technology for acquiring a fingerprint without using the traditional ink and paper make these image of biometric data (fingerprints) open to the potential attacks during transmission. Recipients required a mechanism which can prove the accuracy of their image. If the images are watermarked, it is easy for the owner to verify the images. This thesis focuses on the study of watermarking on fingerprint images. A watermarking technique together with an encryption method to increased a security of the biometric data especially fingerprints is proposed. Digital watermark is used to embed information of the owner of the fingerprint image to protect the intellectual property rights of the fingerprint data. While encryption technique can be applied to the embedded information for increasing security. Encryption is the commonest and easiest way to guarantee secure information. AES (Advance Encryption Standard) has been used in this project. AES is more reliable not only because its key size is variable over 128 bits but also enhanced transformation scheme is unpredicted at all. This thesis provides a comprehensive discussion on the comparison of the digital watermarking techniques and their desirable features, common method of attacks such as translation, rotation, scaling, resizing, cropping, JPEG compression, noise addition, median filter, histogram equalization and gamma correction. Experimental results demonstrate that the frequency domain scheme is robust to most of the attacks. Finally, with the application of watermarking method, in which a user’s biometric data is hiding in the fingerprint image, combining the advantage of encryption system, the security of the biometric data should be thought of as the means to eliminate of at least some of the attacks.

Item Type:Thesis (Masters)
Subject:Fingerprints - Digital watermarking - Case studies
Chairman Supervisor:Associate Professor Abd Rahman Ramli, PhD
Call Number:FK 2006 83
Faculty or Institute:Faculty of Engineering
ID Code:634
Deposited By: Siti Khairiah Yusof
Deposited On:17 Oct 2008 18:29
Last Modified:27 May 2013 06:49

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