A feature extraction model based on discriminative graph signals.
Wuhong LinJianfeng HuangChing Yee SuenLihua YangPublished in: Expert Syst. Appl. (2020)
Keyphrases
- undirected graph
- feature extraction
- directed graph
- directed acyclic graph
- spanning tree
- graph structure
- connected components
- feature selection
- feature space
- image classification
- hilbert huang transform
- preprocessing
- signal processing
- feature vectors
- pattern recognition
- signal analysis
- dimensionality reduction
- frequency domain
- wavelet transform
- random walk
- linear discriminant analysis
- face recognition
- extracted features
- pattern classification
- gabor filters
- feature set
- image processing
- graph model
- computer vision
- texture analysis
- dimension reduction
- discriminant analysis
- texture features
- unsupervised learning
- principal component analysis