Secret image transmission based on VQ and data embedding.
Shih-Chieh ShieShinfeng D. LinPublished in: Int. J. Imaging Syst. Technol. (2007)
Keyphrases
- data embedding
- secret data
- reversible data embedding
- secret image
- index table
- compressed images
- data hiding
- cover image
- reconstructed image
- high capacity
- vector quantization
- information hiding
- image compression
- distortion measure
- manifold learning
- image reconstruction
- grayscale images
- spatial domain
- error concealment
- secret key
- image coding
- post processing
- image quality
- discrete cosine transform
- reversible data hiding
- digital images
- vector quantizer
- visual quality
- multispectral
- bit rate