Using Expanded Markov Process and Joint Distribution Features for JPEG Steganalysis.
Qingzhong LiuAndrew H. SungMengyu QiaoBernardete RibeiroPublished in: ICAART (2009)
Keyphrases
- markov process
- joint distribution
- marginal distributions
- markov chain
- stationary distribution
- feature extraction
- random variables
- jpeg images
- stochastic process
- image compression
- feature vectors
- conditional probabilities
- prior knowledge
- pairwise
- class labels
- linear combination
- discrete cosine transform
- feature space