Developing a watermarking method that is robust to cropping attack is a challenging task in image watermarking. The moment-based watermarking schemes show good robustness to common signal processing attacks and some geometric attacks but are sensitive to cropping attack. In this paper, we modify the moment-based approach to deal with cropping attack. Firstly, we find the probability density function (pdf) of the pixel value distribution from the original image. Secondly, we reshape and normalize the pdf of the pixel value distribution (PPVD) to form a two dimensional image. Then, the moment invariants are calculated from the PPVD image. Since PPVD is insensitive to cropping, the proposed method is robust to cropping attack. Besides, it also has high robustness against other common attacks. Experimental results demonstrate the effectiveness of the proposed method.
History
Pagination
881 - 885
Location
Melbourne, Victoria
Start date
2013-06-19
End date
2013-06-21
ISBN-13
9781467363228
ISBN-10
1467363227
Language
eng
Publication classification
E1 Full written paper - refereed
Copyright notice
2013, IEEE
Title of proceedings
ICIEA 2013 : Proceedings of the 8th IEEE Conference on Industrial Electronics and Applications