Improved DM-QIM Watermarking Scheme for PDF Document.
Minoru KuribayashiKokSheik WongPublished in: IWDW (2019)
Keyphrases
- watermarking scheme
- watermarking algorithm
- error correction
- jpeg compression
- information hiding
- digital watermarking
- spread spectrum
- watermarking technique
- copyright protection
- pdf files
- probability density function
- video watermarking
- data hiding
- reversible watermarking
- digital watermark
- image authentication
- geometric distortions
- image watermarking
- geometric attacks
- watermarked image
- watermarking method
- jpeg images
- image watermarking scheme
- robust watermarking scheme
- digital images
- watermark embedding
- dct coefficients