Vector Quantization Index Modulation watermarking using concentric hyperspherical codebooks.
Nima Khademi KalantariSeyed Mohammad AhadiPublished in: ICASSP (2008)
Keyphrases
- data hiding
- quantization index modulation
- error correction
- watermarking technique
- jpeg compression
- spread spectrum
- vector quantization
- information hiding
- spatial domain
- digital images
- vector quantizer
- watermarking scheme
- watermarking algorithm
- copyright protection
- signal processing
- feature vectors
- digital watermarking
- image compression
- image watermarking