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Halftone Image Watermarking based on Visual Cryptography
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 41 - Number 20 |
| Year of Publication: 2012 |
| Authors: Jaishri Chourasia, M. B. Potdar, Abdul Jhummarwala, Keyur Parmar |
10.5120/5805-8010
|
Jaishri Chourasia, M. B. Potdar, Abdul Jhummarwala, Keyur Parmar . Halftone Image Watermarking based on Visual Cryptography. International Journal of Computer Applications. 41, 20 ( March 2012), 1-5. DOI=10.5120/5805-8010
Abstract
In this paper we have proposed digital watermarking scheme for halftone images based on visual cryptography scheme. The scheme does not embed the watermark directly on the halftone image instead watermark will be divided into the parts called as shares. The scheme not only protects the watermark but also provides an effective copyright protection scheme. At the time of watermark embedding verification share is generated and at the time of watermark extraction master share is generated using (2, 2) visual cryptography scheme. Verification share and master share are used to extract the watermark pattern. The experimental results show that the scheme is robust and transparent against various watermarking attack.
References
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