Discriminant sparse coding with geometrical constraint.
Hanchao ZhangJinhua XuPublished in: IJCNN (2015)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- locality preserving projections
- sparsity constraints
- linear combination
- image classification
- unsupervised learning
- image representation
- single image super resolution
- generative model
- discriminative power
- person re identification
- feature space
- sparse codes
- high dimensional
- image patches
- visual words
- subspace learning
- object category recognition
- low dimensional
- input image
- denoising
- feature extraction
- model selection
- dimensionality reduction
- principal component analysis
- probabilistic model
- pattern recognition
- multiscale
- bayesian networks
- training data