Universal Regularizers for Robust Sparse Coding and Modeling.
Ignacio RamírezGuillermo SapiroPublished in: IEEE Trans. Image Process. (2012)
Keyphrases
- sparse coding
- linear combination
- dictionary learning
- natural images
- sparse representation
- image classification
- discriminative power
- norm minimization
- unsupervised learning
- single image super resolution
- generative model
- image patches
- sparsity constraints
- image representation
- feature space
- higher order
- small number
- sparse codes
- high dimensional
- object category recognition
- sparse representation based classification
- bag of words
- high quality