Automatic contrast enhancement with reversible data hiding using bi-histogram shifting.
Guangyong GaoLord AmoahPublished in: J. Inf. Secur. Appl. (2022)
Keyphrases
- reversible data hiding
- contrast enhancement
- visual quality
- histogram equalization
- data hiding
- image enhancement
- gray level
- high capacity
- low contrast
- pixel values
- color images
- image quality
- high frequency
- enhanced image
- transfer function
- error concealment
- image contrast
- human visual system
- multiscale
- prediction algorithm
- reconstructed image
- gray value
- bit rate
- image processing
- low pass
- coding method
- error correction
- spatial domain
- low level
- computer vision
- color restoration
- adaptive histogram equalization