Cryptanalysis of Chu's DCT based watermarking scheme.
Tanmoy Kanti DasSubhamoy MaitraJianying ZhouPublished in: IEEE Trans. Multim. (2006)
Keyphrases
- watermarking scheme
- image compression
- mpeg video
- error correction
- copyright protection
- discrete cosine transform
- hash functions
- digital watermarking
- watermarking technique
- image authentication
- secret key
- jpeg compression
- video watermarking
- spread spectrum
- geometric attacks
- reversible watermarking
- geometric distortions
- watermarking method
- watermarking algorithm
- watermark embedding
- digital watermark
- image watermarking scheme
- robust watermarking scheme
- dct coefficients
- watermark detection
- image quality
- multiresolution