Hierarchical Regression for Single Image Super Resolution via Clustering and Sparse Representation.
Kang QiuBenshun YiWeizhong LiTaiqi HuangPublished in: KSII Trans. Internet Inf. Syst. (2017)
Keyphrases
- sparse representation
- single image super resolution
- sparse coding
- dictionary learning
- unsupervised learning
- image patches
- high dimensional data
- compressive sensing
- image classification
- image representation
- clustering algorithm
- super resolution
- face recognition
- signal processing
- k means
- test images
- dimensionality reduction
- random projections
- generative model
- original data
- document clustering
- high dimensional
- natural images
- high resolution
- image segmentation