A new detecting scheme for blind images watermarking

Author

Zhongwei, Sun ; DengGuo, Feng

Author_Institution

State Key Lab. of Inf. Security, Chinese Acad. of Sci., Beijing, China

Volume

3

fYear

2004

fDate

31 Aug.-4 Sept. 2004

Firstpage

2334

Abstract

Watemark detection plays a crucial role in digital watermarking. A robust DWT-domain watermark detection scheme is proposed in this paper. First, generalized Gaussian distributions are applied to statistically model the wavelet coefficients of the detail sub-bands of the original image. Then, based on the theory of statistical inference and weak signal detection in non-Gaussian noise, a robust blind detection algorithm is derived. The performance of the new detector is analyzed. And the validity of the detector is also tested.

Keywords

Gaussian distribution; discrete wavelet transforms; image coding; statistical analysis; transform coding; watermarking; DWT-domain watermark detection; blind detection algorithm; blind images watermarking; digital watermarking; generalized Gaussian distribution; nonGaussian noise; wavelet coefficient; weak signal detection; Detection algorithms; Detectors; Discrete wavelet transforms; Gaussian distribution; Noise robustness; Performance analysis; Signal detection; Testing; Watermarking; Wavelet coefficients;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal Processing, 2004. Proceedings. ICSP '04. 2004 7th International Conference on

Print_ISBN

0-7803-8406-7

Type

conf

DOI

10.1109/ICOSP.2004.1442248

Filename

1442248