This paper propose a watermarking scheme, a method to protect the ownership, for holograms, which uses the DCT domain data as the ones to be watermarked. This scheme shows strong robustness against the considered attacks.
© 2008 Optical Society of America
H. Choi, Y. Seo, J. Yoo, Y. Choi, H. Kim, and D. Kim, "An Electronic Watermarking Technique for Digital Hologram," in Laser Applications to Chemical, Security and Environmental Analysis, OSA Technical Digest (CD) (Optical Society of America, 2008), paper JMA10.
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