Two-dimensional histogram expansion of wavelet coefficient for reversible data hiding.
Kazuki YamatoKazuma ShinodaMadoka HasegawaShigeo KatoPublished in: VCIP (2014)
Keyphrases
- reversible data hiding
- wavelet coefficients
- wavelet domain
- data hiding
- wavelet transform
- subband
- wavelet transformation
- multiresolution
- high frequency
- high capacity
- visual quality
- spatial domain
- image denoising
- wavelet decomposition
- multiscale
- prediction algorithm
- discrete wavelet transform
- pixel values
- feature vectors
- low frequency
- bitstream
- denoising
- denoising algorithm
- coding method
- locally adaptive
- gray scale
- filter bank
- cover image
- noisy images