Learned Interpretable Residual Extragradient ISTA for Sparse Coding.
Lin KongWei SunFanhua ShangYuanyuan LiuHongying LiuPublished in: CoRR (2021)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- image classification
- linear combination
- generative model
- single image super resolution
- sparse codes
- image representation
- unsupervised learning
- discriminative power
- feature space
- high dimensional
- visual words
- image patches
- object category recognition
- pattern recognition
- mixture model
- feature extraction