Image super-resolution using nonlocally centralized sparse representation and fields of experts priors.
Xiu ZhangWei ZhouZhemin DuanPublished in: GlobalSIP (2017)
Keyphrases
- image super resolution
- sparse representation
- dictionary learning
- sparse coding
- image patches
- face recognition
- high dimensional data
- image representation
- image classification
- computer vision
- dimensionality reduction
- signal processing
- map estimation
- test images
- pattern recognition
- image processing
- small number
- machine learning
- super resolution
- low resolution
- prior knowledge
- data analysis
- object recognition
- maximum a posteriori
- multiscale