Keyphrases
- jpeg compression
- image compression
- watermarking algorithm
- lossy compression
- multiresolution
- watermarking scheme
- digital images
- multiscale
- jpeg images
- image authentication
- compressed domain
- compression algorithm
- image coding
- spread spectrum
- watermarking technique
- discrete cosine transform
- image pyramids
- copyright protection
- coarse to fine
- expert group
- compression ratio
- primal dual
- coded images
- video watermarking
- compressed images
- image content analysis
- binary tree
- low bit rate
- dct coefficients
- lossless compression
- data hiding
- watermarking method
- watermark detection
- digital watermark
- error correction
- input image
- wavelet transform
- image processing