Region based QIM digital watermarking scheme for image database in DCT domain.
Amit PhadikarSanti P. MaityBhupendra VermaPublished in: Comput. Electr. Eng. (2011)
Keyphrases
- image database
- dct domain
- watermarking scheme
- dct coefficients
- watermarking algorithm
- watermark detection
- jpeg compression
- video watermarking
- image retrieval
- digital video
- error correction
- spread spectrum
- transform domain
- discrete cosine transform
- spatial domain
- compressed images
- digital watermarking
- copyright protection
- human visual system
- image content
- image data
- post processing
- compressed domain
- image watermarking
- data hiding
- watermarking technique
- image segmentation
- watermarking method
- jpeg images
- signal processing
- lossy compression
- image compression
- motion estimation
- natural images
- image representation
- video data