VQ-based data hiding in IoT networks using two-level encoding with adaptive pixel replacements.
Cheng-Ta HuangMin-Yi TsaiLi-Chiun LinWei-Jen WangShiuh-Jeng WangPublished in: J. Supercomput. (2018)
Keyphrases
- data hiding
- embedding capacity
- reversible data hiding
- error correction
- vector quantization
- secret data
- data hiding scheme
- spatial domain
- spread spectrum
- information hiding
- high capacity
- image coding
- data embedding
- watermarking technique
- cover image
- pixel values
- image quality
- image compression
- vector quantizer
- computational complexity
- high frequency
- input image
- motion estimation