Fusion of effective dimension reduction and discriminative dictionary learning for high-dimensional classification.
Shuangxi WangHong-Wei GeJianping GouWeihua OuHe-feng YinShuzhi SuPublished in: Comput. Electr. Eng. (2022)
Keyphrases
- dimension reduction
- dictionary learning
- high dimensional
- discriminative information
- sparse coding
- object category recognition
- sparse representation
- feature extraction
- low dimensional
- high dimensional problems
- high dimensionality
- high dimensional data
- sparse codes
- variable selection
- feature selection
- unsupervised learning
- feature space
- dimensionality reduction
- manifold learning
- principal component analysis
- image classification
- random projections
- linear discriminant analysis
- similarity search
- cluster analysis
- singular value decomposition
- preprocessing
- machine learning
- discriminative dictionary
- training samples
- nearest neighbor
- data points
- image patches
- linear combination
- natural images
- image processing