DocumentCode
2990911
Title
Watermarking Algorithm Against Geometrical Attacks Based on DWT-SVD
Author
Chen Wenjuan ; Yang Hongmei
Author_Institution
Graduation Coll., Shandong Univ. of Sci. & Technol., Qingdao, China
fYear
2010
fDate
29-31 Oct. 2010
Firstpage
1
Lastpage
4
Abstract
How to solve watermarked products against geometrical attacks is the key problem to improve watermark robustness. So this paper proposed a digital watermarking embedding algorithm using discrete wavelet transformation (DWT) based on Singular value decomposition (SVD). Simulation experiment shows that the algorithm can well withstand such geometrical attacks as rotation, scaling, cropping and translation. And it also has good imperceptibility, high security and big watermark capacity.
Keywords
discrete wavelet transforms; image coding; singular value decomposition; watermarking; DWT-SVD; digital watermarking embedding algorithm; discrete wavelet transformation; geometrical attack; singular value decomposition; watermark robustness; Discrete wavelet transforms; Matrix decomposition; PSNR; Robustness; Singular value decomposition; Watermarking;
fLanguage
English
Publisher
ieee
Conference_Titel
Multimedia Technology (ICMT), 2010 International Conference on
Conference_Location
Ningbo
Print_ISBN
978-1-4244-7871-2
Type
conf
DOI
10.1109/ICMULT.2010.5630421
Filename
5630421
Link To Document