Lossless Contrast Enhancement of Color Images with Reversible Data Hiding.
Hao-Tian WuYue WuZhihao GuanYiu-ming CheungPublished in: Entropy (2019)
Keyphrases
- contrast enhancement
- reversible data hiding
- color images
- visual quality
- data hiding
- data embedding
- high capacity
- lossy compression
- lossless compression
- gray scale
- image enhancement
- prediction algorithm
- grayscale images
- color information
- low contrast
- pixel values
- gray level
- image processing
- color space
- image quality
- low pass
- image compression
- high frequency
- secret data
- multiscale
- spatial domain
- information hiding
- low frequency
- human visual system
- gray value
- image data
- video sequences