Single image super-resolution via 2D nonlocal sparse representation.
Na QiYunhui ShiXiaoyan SunWenpeng DingBaocai YinPublished in: VCIP (2015)
Keyphrases
- single image super resolution
- sparse representation
- sparse coding
- dictionary learning
- image patches
- compressive sensing
- face recognition
- image super resolution
- image classification
- image denoising
- random projections
- image representation
- denoising
- signal processing
- image restoration
- dimensionality reduction
- test images
- machine learning
- prior model
- super resolution
- high dimensional data
- markov random field
- low resolution
- em algorithm