Image super-resolution by structural sparse coding.
Jie RenJiaying LiuMengyan WangZongming GuoPublished in: ICPR (2012)
Keyphrases
- image super resolution
- sparse coding
- dictionary learning
- sparse representation
- natural images
- image classification
- linear combination
- generative model
- unsupervised learning
- image representation
- image patches
- low resolution
- super resolution
- feature space
- supervised learning
- data sets
- multiscale
- visual words
- learning algorithm
- face recognition
- computer vision
- machine learning