Data hiding based on compressed VQ indices of images.
Shih-Chieh ShieShinfeng D. LinPublished in: Comput. Stand. Interfaces (2009)
Keyphrases
- data hiding
- block dct
- input image
- image data
- jpeg images
- secret data
- image compression
- edge detection
- lossy compression
- embedded image
- vector quantization
- test images
- error correction
- index table
- reversible data hiding
- image blocks
- data embedding
- compressed domain
- spatial domain
- block truncation coding
- compressed images
- discrete cosine transform
- feature vectors
- image quality