Learn the Approximation Distribution of Sparse Coding with Mixture Sparsity Network.
Li LiXiao LongLiansheng ZhuangShafei WangPublished in: PRCV (4) (2021)
Keyphrases
- sparse coding
- sparse representation
- sparse approximation
- dictionary learning
- sparsity constraints
- natural images
- linear combination
- image classification
- generative model
- image representation
- image patches
- mixture model
- unsupervised learning
- high dimensional
- gaussian distribution
- face recognition
- sparse codes
- object category recognition
- feature space
- sparse coefficients
- visual words
- test images
- em algorithm
- pairwise
- reinforcement learning