Hierarchical sparse coding from a Bayesian perspective.
Yupei ZhangMing XiangBo YangPublished in: Neurocomputing (2018)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- unsupervised learning
- sparse representation
- image classification
- linear combination
- generative model
- image representation
- discriminative dictionary
- object category recognition
- sparse codes
- discriminative power
- single image super resolution
- image patches
- sparse approximation
- group sparsity
- person re identification
- feature space
- visual words
- high dimensional
- bayesian networks
- maximum likelihood
- object recognition
- similarity measure
- data sets
- computer vision
- active learning
- model selection