Image super-resolution via two coupled dictionaries and sparse representation.
Valentin Alvarez-RamosVolodymyr I. PonomaryovRogelio Reyes-ReyesPublished in: Multim. Tools Appl. (2018)
Keyphrases
- sparse representation
- image super resolution
- dictionary learning
- sparse coding
- image patches
- face recognition
- sparse approximations
- compressive sensing
- image representation
- signal processing
- sparse codes
- image classification
- high dimensional data
- dimensionality reduction
- test images
- multiscale
- probabilistic model
- high quality
- training data