Structure Preserving Sparse Coding for Data Representation.
Zhenqiu ShuXiao-Jun WuCong HuPublished in: Neural Process. Lett. (2018)
Keyphrases
- data representation
- structure preserving
- sparse coding
- dimensionality reduction
- sparse representation
- unsupervised learning
- dictionary learning
- high dimensional
- feature space
- natural images
- image classification
- linear combination
- subspace learning
- generative model
- high dimensional data
- image patches
- sparse codes
- image representation
- low dimensional
- manifold structure
- principal component analysis
- visual words
- feature selection
- xml documents
- data points
- pattern recognition
- input image
- model selection
- denoising
- integrity constraints
- information extraction
- negative matrix factorization
- feature vectors