Reversible hiding in DCT-based compressed images.
Chin-Chen ChangChia-Chen LinChun-Sen TsengWei-Liang TaiPublished in: Inf. Sci. (2007)
Keyphrases
- compressed images
- image compression
- discrete cosine transform
- blocking artifacts
- dct domain
- artifact reduction
- reconstructed image
- dct coefficients
- compression ratio
- wavelet transform
- compression algorithm
- transform domain
- transform coefficients
- visual quality
- image processing
- compressed domain
- subband
- data embedding
- post processing
- index table
- motion compensated
- image blocks
- spatial domain
- multispectral
- super resolution
- high quality