Steganalysis of LSB replacement for multivariate Gaussian covers.
Bowen XueXiaolong LiBin LiZongming GuoPublished in: ChinaSIP (2015)
Keyphrases
- multivariate gaussian
- data hiding
- least significant bit
- maximum likelihood estimation
- covariance matrix
- gaussian distribution
- digital images
- information hiding
- secret message
- hidden information
- authentication scheme
- data embedding
- image authentication
- spatial domain
- error correction
- jpeg images
- maximum likelihood
- cover image
- em algorithm
- principal component analysis
- feature extraction
- reversible data hiding
- discrete cosine transform
- lossy compression
- mean shift
- sample size
- probability distribution
- bayesian networks