Ying Yang, Ruggero Pintus, Holly Rushmeier, and Ioannis Ivrissimtzis
2014
Abstract
We propose a steganalytic algorithm for watermarks embedded by Cho et al. mean-based algorithm. The main observation is that while in a clean model the means of Cho et al. normalized histogram bins are expected to follow a Gaussian distribution, in a marked model their distribution will be bimodal. The proposed algorithm estimates the number of bins through an exhaustive search and then the presence of a watermark is decided by a tailor made normality test. We also propose a modification of Cho et al. algorithm which is more resistant to the steganalytic attack and offers an improved robustness/capacity trade-off.
Reference and download information
Ying Yang, Ruggero Pintus, Holly Rushmeier, and Ioannis Ivrissimtzis. A Steganalytic Algorithm for 3D Polygonal Meshes. In 20th IEEE International Conference on Image Processing (ICIP). Pages 4782-4786, 2014. IEEE. DOI: 10.1109/ICIP.2014.7025969.
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Bibtex citation record
@InProceedings{Yang:2014:ASA, author = {Ying Yang and Ruggero Pintus and Holly Rushmeier and Ioannis Ivrissimtzis}, title = {A Steganalytic Algorithm for {3D} Polygonal Meshes}, booktitle = {20th IEEE International Conference on Image Processing (ICIP)}, organization = {IEEE}, pages = {4782--4786}, year = {2014}, abstract = {We propose a steganalytic algorithm for watermarks embedded by Cho et al. mean-based algorithm. The main observation is that while in a clean model the means of Cho et al. normalized histogram bins are expected to follow a Gaussian distribution, in a marked model their distribution will be bimodal. The proposed algorithm estimates the number of bins through an exhaustive search and then the presence of a watermark is decided by a tailor made normality test. We also propose a modification of Cho et al. algorithm which is more resistant to the steganalytic attack and offers an improved robustness/capacity trade-off. }, doi = {10.1109/ICIP.2014.7025969}, url = {http://vic.crs4.it/vic/cgi-bin/bib-page.cgi?id='Yang:2014:ASA'}, }
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