Variance-Classified Capacity Watermarking Using Discrete Cosine Transform.
Jing-Ming GuoYu-Cheng LuJiann-Der LeePublished in: IIH-MSP (2008)
Keyphrases
- discrete cosine transform
- projection onto convex sets
- image compression
- transform domain
- dct coefficients
- filter bank
- spread spectrum
- jpeg images
- dct domain
- digital images
- discrete fourier transform
- blocking artifacts
- watermarking algorithm
- image blocks
- spatial domain
- watermark detection
- compressed images
- copyright protection
- data hiding
- watermarking method
- feature extraction
- computational complexity
- image watermarking
- watermarking scheme
- image coding