Discriminative Orthonormal Dictionary Learning for Fast Low-Rank Representation.
Zhen DongMingtao PeiYunde JiaPublished in: ICONIP (1) (2015)
Keyphrases
- dictionary learning
- low rank representation
- sparse codes
- object category recognition
- low rank
- sparse coding
- sparse representation
- singular value decomposition
- linear combination
- discriminative dictionary
- affinity matrix
- image classification
- basis functions
- denoising
- unsupervised learning
- semi supervised
- natural images
- feature extraction
- convex optimization
- linear subspace
- maximum likelihood
- dimensionality reduction
- optical flow