Superpixelwise Collaborative-Representation Graph Embedding for Unsupervised Dimension Reduction in Hyperspectral Imagery.
Huan LiuWei LiXiang-Gen XiaMengmeng ZhangRan TaoPublished in: IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. (2021)
Keyphrases
- dimension reduction
- hyperspectral imagery
- graph embedding
- low dimensional
- dimensionality reduction
- unsupervised learning
- principal component analysis
- high dimensional
- feature extraction
- semi supervised
- discriminant analysis
- feature representation
- manifold learning
- high dimensional data
- linear discriminant analysis
- random projections
- high dimensionality
- hyperspectral
- singular value decomposition
- remote sensing
- cluster analysis
- multispectral
- feature space
- hyperspectral images
- subspace learning
- supervised learning
- data representation
- high resolution
- distance metric
- high dimensional feature space
- data sets
- text classification
- object recognition
- feature selection