Reversible Watermark Combining Pre-processing Operation and Histogram Shifting.
Shaowei WengJeng-Shyang PanXia GaoPublished in: J. Inf. Hiding Multim. Signal Process. (2012)
Keyphrases
- preprocessing
- watermarking scheme
- cellular automata
- digital images
- markov chain
- watermarking algorithm
- post processing
- feature extraction
- digital watermarking
- preprocessing step
- gray level
- human visual system
- data pre processing
- secret information
- digital watermark
- multiscale
- feature selection
- spread spectrum
- pre processed
- image authentication
- reversible data hiding