Research on dimensionality reduction in unconstrained face image based on weighted block tensor sparse graph embedding.
Yangyang LiuYing TongZhiqiang WangXuehong CaoLin MengPublished in: Signal Image Video Process. (2023)
Keyphrases
- graph embedding
- dimensionality reduction
- high dimensional
- sparse representation
- low dimensional
- discriminant information
- subspace learning
- principal component analysis
- high dimensional data
- data representation
- label information
- supervised dimensionality reduction
- feature extraction
- linear discriminant analysis
- pattern recognition
- face images
- unsupervised learning
- feature selection
- manifold learning
- dimensionality reduction methods
- semi supervised dimensionality reduction
- euclidean distance
- dictionary learning
- feature space
- dimension reduction
- sparse coding
- data points
- discriminant analysis
- embedding space
- singular value decomposition
- higher order
- nearest neighbor
- pairwise
- computer vision
- image processing
- training set
- manifold structure
- locally linear embedding
- semi supervised
- image patches