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ICIP
2002
IEEE
14 years 7 months ago
A blind watermarking technique in JPEG compressed domain
We proposed a blind watermarking technique to embed the watermark in JPEG compressed domain. Low frequency DCT coefficients are extracted to form an M-dimensional vector. Watermar...
Oscar C. Au, Peter H. W. Wong
ICIP
2001
IEEE
14 years 7 months ago
Multi-level watermarking with independent decoding
A drawback of most watermarking techniques is the need for some additional information in order to retrieve the watermark. Additionally, the robustness of the watermark decreases ...
Moshe Butman, Hagit Zabrodsky Hel-Or
ISCAS
2002
IEEE
190views Hardware» more  ISCAS 2002»
13 years 10 months ago
Analysis and improvement of correlation-based watermarking methods for digital images
This paper aims to design robust correlation-based watermarking methods for images. We rst present a model of watermark embedding and extracting processes and carry out their ana...
Akio Miyazaki, Akihiro Okamoto
JEI
2002
152views more  JEI 2002»
13 years 5 months ago
Cryptanalysis of the Yeung - Mintzer fragile watermarking technique
The recent proliferation of digital multimedia content has raised concerns about authentication mechanisms for multimedia data. A number of authentication techniques based on digi...
Jessica J. Fridrich, Miroslav Goljan, Nasir Memon
ICCAD
1998
IEEE
196views Hardware» more  ICCAD 1998»
13 years 9 months ago
Analysis of watermarking techniques for graph coloring problem
We lay out a theoretical framework to evaluate watermarking techniques for intellectual property protection (IPP). Based on this framework, we analyze two watermarking techniques ...
Gang Qu, Miodrag Potkonjak