Reversible Data Hiding in Block Truncation Coding Compressed Images Using Quantization Level Swapping and Shifting.
Wien HongShuozhen ZhengTung-Shou ChenChien-Che HuangPublished in: KSII Trans. Internet Inf. Syst. (2016)
Keyphrases
- block truncation coding
- data hiding
- compressed images
- reversible data hiding
- visual quality
- image compression
- error correction
- image quality
- high capacity
- spatial domain
- reconstructed image
- data embedding
- high frequency
- compression ratio
- bit rate
- secret data
- dct domain
- bitstream
- video data
- blocking artifacts
- peak signal to noise ratio
- discrete cosine transform
- image reconstruction
- compression scheme