A Lossless Data-hiding Technique Based on Wavelet Transform.
Hui-Yu HuangShih-Hsu ChangPublished in: MVA (2011)
Keyphrases
- data hiding
- wavelet transform
- data embedding
- image compression
- lossy compression
- error correction
- spread spectrum
- multiresolution
- image coding
- subband
- multiscale
- high capacity
- lifting scheme
- spatial domain
- wavelet domain
- wavelet coefficients
- information hiding
- secret data
- data hiding scheme
- low frequency
- lossless compression
- reversible data hiding
- feature extraction
- watermarking technique
- reconstructed image
- image processing
- discrete wavelet transform
- compression ratio
- high frequency
- high quality