Keyphrases
- data hiding
- embedded image
- secret data
- block dct
- lossy compression
- jpeg images
- input image
- image data
- test images
- block truncation coding
- spatial domain
- error correction
- original images
- information hiding
- high capacity
- color images
- reversible data hiding
- data hiding scheme
- feature extraction
- bit planes
- gaussian noise
- coding scheme
- multiresolution