Comparative analysis of integer wavelet transforms in reversible data hiding using threshold based histogram modification.
Ahmad ShaikV. ThanikaiselvanPublished in: J. King Saud Univ. Comput. Inf. Sci. (2021)
Keyphrases
- comparative analysis
- reversible data hiding
- reversible integer
- wavelet transform
- data hiding
- lossless compression
- lossless image compression
- lossy compression
- image coding
- high capacity
- prediction algorithm
- multiresolution
- multiscale
- wavelet coefficients
- image compression
- subband
- semi quantitative
- pixel values
- error correction
- high frequency
- low frequency
- visual quality
- quadtree
- compression ratio
- filter bank
- database management systems
- secret data