On A Nonlinear Generalization of Sparse Coding and Dictionary Learning.
Jeffrey HoYuchen XieBaba C. VemuriPublished in: ICML (3) (2013)
Keyphrases
- dictionary learning
- sparse coding
- sparse representation
- natural images
- linear combination
- image classification
- unsupervised learning
- group sparsity
- object category recognition
- generative model
- discriminative power
- sparse codes
- single image super resolution
- image representation
- image patches
- sparsity constraints
- multiscale
- visual words
- bag of words
- active learning
- high dimensional
- feature space
- small number
- feature vectors
- face recognition
- discriminative dictionary