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- Title
Size-invariant extended visual cryptography with embedded watermark based on error diffusion.
- Authors
Yan, Bin; Wang, Ya-Fei; Song, Ling-Yun; Yang, Hong-Mei
- Abstract
A (2, 2) extended visual cryptography scheme with meaningful shares and no pixel expansion is constructed in this paper. In addition to the secret image, an additional watermark is also embedded to serve for authentication purpose. This watermark can be recovered by stacking a shifted version of one share with the other share. More importantly, the recovered watermark and secret images are free from interferences from the cover images.
- Subjects
VISUAL cryptography; WATERMARKS; IDENTIFICATION; DIGITAL watermarking; DIGITAL images
- Publication
Multimedia Tools & Applications, 2016, Vol 75, Issue 18, p11157
- ISSN
1380-7501
- Publication type
Article
- DOI
10.1007/s11042-015-2838-4