Accurate Dictionary Learning with Direct Sparsity Control.
Hongyu MouAdrian BarbuPublished in: ICIP (2018)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- sparsity constraints
- image super resolution
- group sparsity
- face recognition
- object category recognition
- sparse codes
- high quality
- compressive sensing
- high dimensional data
- neural network
- natural images
- signal processing
- learning algorithm
- machine learning
- image patches
- image classification
- dimensionality reduction
- principal component analysis
- similarity measure