DocumentCode
3547313
Title
Multipurpose image watermarking in DCT domain using subsampling
Author
Gu, Fan ; Lu, Zhe-Ming ; Pan, Jeng-Shyang
Author_Institution
Dept. of Autom. & Test, Harbin Inst. of Technol., China
fYear
2005
fDate
23-26 May 2005
Firstpage
4417
Abstract
In this paper, a DCT-based multipurpose image watermarking algorithm is proposed. Through adopting dither modulation in subimages gained by subsampling, two independent robust watermarks can be embedded in the original image. Experimental results demonstrate the effectiveness of the proposed algorithm.
Keywords
data encapsulation; discrete cosine transforms; image coding; image sampling; watermarking; DCT domain; dither modulation; embedding; independent robust watermarks; multipurpose image watermarking; subimages; subsampling; Authentication; Automatic testing; Broadcast technology; Copyright protection; Discrete cosine transforms; Discrete wavelet transforms; Electronic equipment testing; Publishing; Robustness; Watermarking; Multipurpose image watermarking; copyright protection; dither modulation; information hiding; subsampling;
fLanguage
English
Publisher
ieee
Conference_Titel
Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on
Print_ISBN
0-7803-8834-8
Type
conf
DOI
10.1109/ISCAS.2005.1465611
Filename
1465611
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