Democratic prior for anti-sparse coding.
Clement ElviraPierre ChainaisNicolas DobigeonPublished in: SSP (2016)
Keyphrases
- sparse coding
- dictionary learning
- sparse representation
- natural images
- linear combination
- image classification
- discriminative power
- image representation
- generative model
- single image super resolution
- group sparsity
- unsupervised learning
- sparse codes
- visual words
- high dimensional
- object category recognition
- prior knowledge
- person re identification
- bag of words
- image patches
- feature space
- higher order
- data sets
- discriminative dictionary
- denoising
- semi supervised
- object recognition
- multiscale