DocumentCode :
3126950
Title :
Chaos-based gray image watermarking algorithm
Author :
Guo, Junmei ; Yang, Yong ; Wang, Ning
Author_Institution :
Sch. of Electr. Eng. & Autom., Shandong Polytech. Univ., Jinan, China
Volume :
1
fYear :
2011
fDate :
4-7 Aug. 2011
Firstpage :
158
Lastpage :
160
Abstract :
In this paper, a kind of gray image digital watermarking algorithm is put forward. And this algorithm is to use the technology of combining discrete wavelet transform and discrete cosine transform with singular value decomposition based on chaos, and scrambling for the purpose of raising security, invisibility and robustness of watermark. It hided the digital watermarking in the discrete cosine transform domain. The image that contained the watermark was restored and the watermark was extracted by the singular value decomposition. The conclusions demonstrate that the watermark not only has good invisibility by use of this algorithm but also has good robustness against geometric distortion, noise attack and so on.
Keywords :
chaos; discrete cosine transforms; discrete wavelet transforms; image coding; image colour analysis; image watermarking; singular value decomposition; chaos-based gray image watermarking algorithm; discrete cosine transform; discrete wavelet transform; geometric distortion; gray image digital watermarking algorithm; noise attack; scrambling; singular value decomposition; watermark invisibility; watermark robustness; watermark security; Chaos; Discrete cosine transforms; Discrete wavelet transforms; Matrix decomposition; Singular value decomposition; Watermarking; chaos; discrete cosine transform; discrete wavelet transform; singular value decomposition; watermarking;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Uncertainty Reasoning and Knowledge Engineering (URKE), 2011 International Conference on
Conference_Location :
Bali
Print_ISBN :
978-1-4244-9985-4
Electronic_ISBN :
978-1-4244-9984-7
Type :
conf
DOI :
10.1109/URKE.2011.6007824
Filename :
6007824
Link To Document :
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