JPEG Steganalysis Based on Classwise Non-Principal Components Analysis and Multi-Directional Markov Model.
Guorong XuanXia CuiYun Q. ShiWen ChenXuefeng TongCong HuangPublished in: ICME (2007)
Keyphrases
- markov model
- principal components analysis
- multi directional
- jpeg images
- coding method
- discrete cosine transform
- covariance matrix
- markov chain
- compression algorithm
- image compression
- statistical model
- dimensionality reduction
- hidden markov models
- coding scheme
- linear discriminant analysis
- principal components
- support vector machine
- bit rate
- optical coherence tomography
- compression ratio
- feature extraction
- learning algorithm
- markov networks
- maximum likelihood
- probabilistic model
- decision trees