Reversible steganography based on side match and hit pattern for VQ-compressed images.
Cheng-Hsing YangWei-Jen WangCheng-Ta HuangShiuh-Jeng WangPublished in: Inf. Sci. (2011)
Keyphrases
- compressed images
- data embedding
- reversible data embedding
- jpeg images
- image compression
- visual quality
- index table
- vector quantization
- reconstructed image
- discrete cosine transform
- bitstream
- dct domain
- compressed domain
- compression ratio
- blocking artifacts
- information hiding
- post processing
- secret data
- peak signal to noise ratio
- turbo codes
- multimedia
- data hiding
- filter bank
- compression algorithm