S. Mahdi, B., K. Abdul Hassan, A. (2014). A Novel Secure Digital Watermark Generation from Public Share by Using Visual Cryptography and MAC Techniques. , 10(3), 3-9.
Bashar S. Mahdi; Alia K. Abdul Hassan. "A Novel Secure Digital Watermark Generation from Public Share by Using Visual Cryptography and MAC Techniques". , 10, 3, 2014, 3-9.
S. Mahdi, B., K. Abdul Hassan, A. (2014). 'A Novel Secure Digital Watermark Generation from Public Share by Using Visual Cryptography and MAC Techniques', , 10(3), pp. 3-9.
S. Mahdi, B., K. Abdul Hassan, A. A Novel Secure Digital Watermark Generation from Public Share by Using Visual Cryptography and MAC Techniques. , 2014; 10(3): 3-9.

A Novel Secure Digital Watermark Generation from Public Share by Using Visual Cryptography and MAC Techniques

Iraqi Journal of Applied Physics
Article 1, Volume 10, Issue 3, 2014, Pages 3-9
Authors
Bashar S. Mahdi; Alia K. Abdul Hassan
Abstract
Digital image watermarking is a technique in which a secret watermark is embedded into the original image to make an assertion about the image ownership and discouraging unauthorized copying. In this paper, a novel watermark was generated from public share using proposed visual cryptography scheme with Message Authentication Code (MAC) which is applied into a secret image (logo binary image). The proposed work was applied to provide the copyright protection and authentication of a digital image. Experimental results demonstrated that the proposed scheme has maintained the original pixel expansion, achieved a reduction of the watermark size, and allowed high security, high capacity, good feasibility, imperceptibility and robustness against several types of attacks.
Keywords
watermarking; DCT; MAC; Visual Cryptography; hash function
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