Feature Selection by Joint Graph Sparse Coding.
Wei DingXindong WuShichao ZhangXiaofeng ZhuPublished in: SDM (2013)
Keyphrases
- sparse coding
- feature selection
- unsupervised learning
- dictionary learning
- natural images
- feature space
- sparse representation
- graph classification
- image classification
- discriminative power
- generative model
- linear combination
- image representation
- manifold structure
- single image super resolution
- machine learning
- image patches
- high dimensional
- dimensionality reduction
- nearest neighbor
- support vector
- multiscale
- unsupervised feature selection
- sparse codes
- model selection
- text classification
- co occurrence
- multi class
- visual words
- training data
- feature extraction
- computer vision
- data sets