Steganalysis by subtractive pixel adjacency matrix and dimensionality reduction.
Hao ZhangXijian PingMankun XuRan WangPublished in: Sci. China Inf. Sci. (2014)
Keyphrases
- adjacency matrix
- dimensionality reduction
- graph representation
- graph matching
- weighted graph
- graph partitioning
- low dimensional
- graph model
- feature extraction
- high dimensional data
- data points
- directed graph
- input image
- high dimensional
- pattern recognition
- principal component analysis
- edit distance
- positive definite
- input space
- undirected graph
- feature selection
- feature space
- high dimensionality
- normalized cut
- graph clustering
- metric learning
- face recognition
- vector space
- kernel methods
- special case
- color images
- pairwise
- image segmentation
- image processing