A blind watermarking technique based on DCT psychovisual threshold for a robust copyright protection.
Ferda ErnawanMuhammad Nomani KabirZuriani MustaffaPublished in: ICITST (2017)
Keyphrases
- watermarking technique
- copyright protection
- watermark extraction
- watermark detection
- digital watermark
- digital images
- digital watermarking
- image watermarking
- watermarking scheme
- compressed domain
- data hiding
- watermarking algorithm
- robust watermarking
- digital image watermarking
- digital content
- watermark embedding
- spread spectrum
- human visual system
- watermarking method
- image authentication
- dct domain
- multimedia content
- multimedia data
- geometric distortions
- dct coefficients
- watermarked image
- high frequency
- error correction
- image compression
- jpeg images
- lossy compression
- databases
- discrete cosine transform
- gray level
- image data
- feature extraction
- high level