Locating steganographic payloads by combining weighed-stego residuals and maximum a posteriori probability cover estimator.
Tao ZhangXiaomeng YanPublished in: FSKD (2014)
Keyphrases
- maximum a posteriori probability
- data hiding
- least squares
- information hiding
- jpeg images
- cover image
- maximum likelihood
- hidden information
- map estimation
- maximum a posteriori
- markov random field
- error correction
- spatial domain
- secret data
- optical flow
- pixel values
- spread spectrum
- em algorithm
- data embedding
- digital images