Digital Watermarking
F.M.H. Schuurmans
- 07 Jan 2002
pp 7
844
TL;DR: Digital watermarking, a technology for insertion of imperceptible information into multimedia content offers a solution for authentication and suitable action thereof, which is a rapidly maturing technology.
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Abstract: Summary form only given. The ability to represent audio and video digitally and its vast popularity poses enormous challenges in protection against unauthorized use, copy and distribution in open, highly uncontrolled Internet environment. Digital watermarking, a technology for insertion of imperceptible information into multimedia content offers a solution for authentication and suitable action thereof. This is a rapidly maturing technology. Initiatives within the industry are ongoing for various forms of multimedia. Technology alone is unlikely to address all the copy protection issues. Business models and legal support also play an important role in tackling them.
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References
Secure spread spectrum watermarking for multimedia
TL;DR: It is argued that insertion of a watermark under this regime makes the watermark robust to signal processing operations and common geometric transformations provided that the original image is available and that it can be successfully registered against the transformed watermarked image.
6.4K
Techniques for data hiding
TL;DR: This work explores both traditional and novel techniques for addressing the data-hiding process and evaluates these techniques in light of three applications: copyright protection, tamper-proofing, and augmentation data embedding.
3.3K
A digital watermark
R.G. van Schyndel,Andrew Z. Tirkel,Charles F Osborne +2 more
- 13 Nov 1994
TL;DR: The paper discusses the feasibility of coding an "undetectable" digital water mark on a standard 512/spl times/512 intensity image with an 8 bit gray scale, capable of carrying such information as authentication or authorisation codes, or a legend essential for image interpretation.
1.5K
An Information-Theoretic Model for Steganography
Christian Cachin
- 14 Apr 1998
TL;DR: An information-theoretic model for steganography with passive adversaries is proposed and several secure steganographic schemes are presented; one of them is a universal information hiding scheme based on universal data compression techniques that requires no knowledge of the covertext statistics.
1K
Hidden digital watermarks in images
Chiou-Ting Hsu,Ja-Ling Wu +1 more
TL;DR: The experimental results show that the proposed image authentication technique by embedding digital "watermarks" into images successfully survives image processing operations, image cropping, and the Joint Photographic Experts Group lossy compression.
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