Multipurpose Watermarking Based On Multistage Vector Quantization.
Pachara Venkateswara RaoK. Anandan SaravananAllam ApparaoMadhusudhana Rao GanjiPublished in: MSA (2007)
Keyphrases
- multistage
- vector quantization
- image authentication
- image compression
- copyright protection
- digital watermarking
- vector quantizer
- digital images
- single stage
- watermarking scheme
- watermarking algorithm
- stochastic programming
- dynamic programming
- input vector
- distortion measure
- jpeg compression
- fractal image compression
- reduced complexity
- optimal policy
- watermarking technique
- data hiding
- watermark embedding
- neural gas
- codebook design
- information hiding
- state space
- feature extraction
- fractal image coding
- codebook generation