L 1 Graph Based on Sparse Coding for Feature Selection.
Jin XuGuang YangHong ManHaibo HePublished in: ISNN (1) (2013)
Keyphrases
- sparse coding
- feature selection
- unsupervised learning
- feature space
- dictionary learning
- sparse representation
- natural images
- image classification
- linear combination
- image representation
- generative model
- discriminative power
- sparse codes
- feature extraction
- feature set
- single image super resolution
- mutual information
- image patches
- model selection
- machine learning
- multi class
- dimensionality reduction
- semi supervised
- object category recognition
- multiscale
- semi supervised learning
- text classification
- supervised learning
- input image
- higher order
- signal processing
- visual words
- knn
- high dimensional
- support vector
- expectation maximization
- face recognition
- data sets