A novel quantization-based watermarking approach invariant to gain attack.
Mohsen ZareianHamid Reza TohidypourZ. Jane WangPublished in: ICASSP (2013)
Keyphrases
- digital watermark
- watermark embedding
- watermarking algorithm
- digital images
- watermarking scheme
- affine transformation
- digital image watermarking scheme
- affine invariant
- invariant features
- image normalization
- quantization error
- robust image watermarking
- digital watermarking
- copyright protection
- image watermarking
- geometric transformations
- secret key
- countermeasures
- digital image watermarking
- computational complexity
- ddos attacks
- fragile watermarking
- human visual system
- multiresolution