New Steganalytic Features for Spatial Image Steganography Based on Non-negative Matrix Factorization.
Hui GeDonghui HuHaiyan XuMeng LiShuli ZhengPublished in: IWDW (2019)
Keyphrases
- negative matrix factorization
- nonnegative matrix factorization
- sparse representation
- image features
- unsupervised feature selection
- matrix factorization
- feature extraction
- feature vectors
- document clustering
- principal component analysis
- databases
- knowledge base
- knowledge discovery
- clustering method
- spectral clustering