Research on public key digital watermarking system
Digital watermarks are signals embedded in multimedia data to allow copyright enforcement or to distinguish copies of the document and it’s still a novel study area. While a public-key watermarking system allows two parties who have never met or exchanged a secret to send hidden messages over a public channel so that an adversary cannot even detect that these hidden messages are being send, and in copyright protection, everybody who owns the public key can detect and verify the authenticity of watermarking information but can’t alternate or remove it.
In this work, we propose a public-key watermarking method, where combined a public/private key cryptographic method with a digital watermarkingtechnique together, which is suitable for protection of the copyright as a fragile watermarking method. The embedding method based on wavelet transform and RSA encryption algorithm. The use of a public/private key cryptographic system guarantees anybody with the public-key can detect the embedding information. So it can be used for copyright protection of DVD system and other digital works.
Related Steganography Project Titles:
- Blind Watermarking Capacity Analysis of MPEG2 Coded Video.
- Digital watermarking using Bidimensional Empirical Mode Decomposition.
- Designing a joint perceptual encryption and blind watermarking scheme compliant with JPEG compression standard.
- Robust digital video watermarking using reversible data hiding and visual cryptography.
- DWT-based multiple watermarking for privacy and security of digital images in e-commerce.
- A low power and complexity watermarking algorithm in DS-CDMA communication.
- Joint robust watermarking and image compression.
- Reversible Digital Watermarking:Theory and Practices.
- An effective blind watermarking scheme for protecting rightful ownership of digital images.
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