Sparse representation based single image super-resolution with low-rank constraint and nonlocal self-similarity.
Jinming LiPublished in: Multim. Tools Appl. (2018)
Keyphrases
- low rank
- single image super resolution
- dictionary learning
- sparse coding
- sparse representation
- linear combination
- high dimensional data
- natural images
- super resolution
- missing data
- compressive sensing
- matrix factorization
- convex optimization
- semi supervised
- singular value decomposition
- image denoising
- image patches
- rank minimization
- denoising
- high order
- image restoration
- low resolution
- unsupervised learning
- object recognition
- random projections
- higher order
- high dimensional
- dimensionality reduction
- small number
- face recognition
- data points
- machine learning
- test images
- low dimensional
- multiscale
- prior model