A difference expansion based reversible information hiding scheme with high stego image visual quality.
Chin-Chen ChangYing-Hsuan HuangTzu-Chuen LuPublished in: Multim. Tools Appl. (2017)
Keyphrases
- visual quality
- embedding capacity
- image quality
- reversible data hiding
- bit rate
- compressed images
- high frequency
- human visual system
- reconstructed image
- data hiding
- information hiding
- error concealment
- peak signal to noise ratio
- secret image
- low bit rate
- visual information
- image processing
- rate control
- rate distortion
- bitstream
- subband
- video quality
- secret data
- feature extraction