Reversible Data Hiding Using Controlled Contrast Enhancement and Integer Wavelet Transform.
Guangyong GaoYun-Qing ShiPublished in: IEEE Signal Process. Lett. (2015)
Keyphrases
- contrast enhancement
- reversible data hiding
- visual quality
- cover image
- data hiding
- image enhancement
- gray level
- lossless compression
- lossy compression
- pixel values
- high capacity
- color images
- image quality
- multiscale
- human visual system
- bit rate
- high frequency
- prediction algorithm
- spatial domain
- reconstructed image
- discrete wavelet transform
- error concealment
- feature space
- pattern recognition
- discrete cosine transform
- error diffusion
- jpeg compression
- error correction
- gray scale