Reversible data hiding based on automatic contrast enhancement using histogram expansion.
Wan-Li LyuYajie YueZhaoxia YinPublished in: J. Vis. Commun. Image Represent. (2023)
Keyphrases
- reversible data hiding
- contrast enhancement
- visual quality
- histogram equalization
- data hiding
- image enhancement
- gray level
- high capacity
- image quality
- prediction algorithm
- bit rate
- low contrast
- multiscale
- color images
- transfer function
- error concealment
- pixel values
- coding method
- low pass
- high frequency
- error correction
- image contrast
- gray value
- enhanced image
- image processing
- reconstructed image
- human visual system
- color restoration
- adaptive histogram equalization