Robust Coverless Image Steganography Based on DCT and LDA Topic Classification.
Xiang ZhangFei PengMin LongPublished in: IEEE Trans. Multim. (2018)
Keyphrases
- latent dirichlet allocation
- topic models
- feature extraction
- decision trees
- face recognition
- pattern recognition
- classification method
- dimension reduction
- classification algorithm
- feature selection
- topic discovery
- topic modeling
- text classification
- image classification
- classification accuracy
- feature space
- principal component analysis
- svm classifier
- linear discriminant analysis
- machine learning
- image compression
- generative model
- multi class
- support vector machine
- spatial domain
- preprocessing
- transform domain
- support vector
- small sample size