Local and global regularized sparse coding for data representation.
Zhenqiu ShuJun ZhouPu HuangXun YuZhangjing YangChunxia ZhaoPublished in: Neurocomputing (2016)
Keyphrases
- data representation
- sparse coding
- subspace learning
- dictionary learning
- sparse representation
- natural images
- image classification
- linear combination
- sparsity constraints
- dimensionality reduction
- image representation
- unsupervised learning
- feature space
- generative model
- sparse codes
- norm minimization
- high dimensional
- image patches
- xml documents
- small number
- probabilistic model
- high level
- computer vision
- higher order
- semi supervised
- data model
- visual words
- xml schema
- pattern recognition
- multiscale
- machine learning