A new detector of LSB matching steganography based on likelihood ratio test for multivariate Gaussian covers.
Guangyuan YangXiaolong LiBin LiZongming GuoPublished in: APSIPA (2015)
Keyphrases
- likelihood ratio test
- multivariate gaussian
- data hiding
- data embedding
- maximum likelihood estimation
- likelihood ratio
- hypothesis testing
- covariance matrix
- gaussian distribution
- generalized likelihood ratio test
- secret message
- least significant bit
- hidden information
- digital images
- match scores
- spread spectrum
- secret data
- cover image
- information hiding
- keypoints
- feature points