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Abstract: Low-frequency watermarks and watermarks generated using spread spectrum techniques have complementary robustness properties. In this paper, we combine both watermarking paradigms to design an oblivious watermark that is capable of surviving an extremely wide range of severe image distortions. An image is first watermarked with a low-frequency pattern and then a spread spectrum signal is added to the watermarked image. Since both watermarks are embedded in a different portion of the frequency... (Update)
Context of citations to this paper: More
...Fig. 2 illustrates our watermark hiding process. 4 Cocktail Watermark Decoding In the literature, a number of authors [2, 10, 12, 17, 19, 36] have proposed extracting a watermark without access to the original image, but the correlation values detected using their...
...remove the watermark without visibly degrading the image. This is the basic principle behind most of today s watermarking techniques [2 12]. Key dependent random smooth transforms for watermarking have been first proposed in a paper by Fridrich [13] This new concept was...
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BibTeX entry: (Update)
J. Fridrich, "Combining Low-frequency and Spread Spectrum Watermarking", Proc. SPIE Int. Symposium on Optical Science, Engineering, and Instrumentation, San Diego, July 19-24, 1998. http://citeseer.ist.psu.edu/fridrich98combining.html More
@inproceedings{ fridrich98combining,
author = "J. Fridrich",
title = "Combining Low-frequency and Spread Spectrum Watermarking",
booktitle = "Mathematics of Data/Image Coding, Compression, and Encryption: Proc. SPIE Int. Symposium on Optical Science, Engineering, and Instrumentation",
editor = "M S Schmalz",
note = "vol 3456, San Diego, July 19-24, 1998.",
year = "1998",
url = "citeseer.ist.psu.edu/fridrich98combining.html" }
Citations (may not include all citations):212 Techniques for data hiding (context) - Bender, Gruhl et al. - 1996
93 Modulation and information hiding in images - Comiskey, Smith - 1996
84 Towards robust and hidden image copyright labeling - Koch, Zhao - 1995
83 Transparent robust image watermarking - Swanson, Zhu et al. - 1996
48 A secure, robust watermark for multimedia - Cox, Kilian et al. - 1996
46 Watermarking digital images for copyright protection - Ruanaidh, Dowling et al. - 1996
43 A method for signature casting on digital images - Pitas - 1996
42 Phase watermarking of digital images - Ruanaidh, Dowling et al. - 1996
42 DCT-based watermark recovering without resorting to the unco.. - Piva, Barni et al. - 1997
39 Digital watermarking of raw and compressed video - Hartung, Girod - 1996
36 Applied cryptography -- protocols, algorithms and source cod.. (context) - Schneier - 1996
30 A robust digital image watermarking method using wavelet-bas.. - Kundur, Hatzinakos - 1997
25 Analysis of the sensitivity attack against electronic waterm.. - Linnartz, van Dijk - 1998
25 Robust data hiding for images - Swanson, Zhu et al. - 1996
23 Rotation, scale and translation invariant digital image wate.. - Ruanaidh, Pun - 1997
22 Analysis of attacks on image watermarks with randomized coef.. (context) - Stone - 1996
22 Secure copyright protection techniques for digital images - Herrigel, Ruanaidh et al. - 1998
18 The information theoretical significance of spatial and temp.. (context) - Girod - 1989
18 Perceptual watermarking of still images (context) - Podilchuk, Zeng - 1997
15 Data hiding for video in video (context) - Swanson, Zhu et al. - 1997
14 Copy protection for multimedia data based on labeling techni.. - Langelaar, van der Lubbe et al. - 1996
13 Watermark estimation through detector analysis - Kalker, Linnartz et al. - 1998
10 Robust digital watermarking based on key-dependent basis fun.. (context) - Fridrich - 1998
5 Fast coding of arbitrarily shaped image segments using weakl.. - Philips
4 Digital watermarking based on multiresolution wavelet data f.. (context) - Kundur, Hatzinakos - 1997
3 Cambridge University (context) - Kuhn, available et al. - 1997
2 A content-based approach to image signature generation and a.. (context) - Schneider, Chang - 1996
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