Selective super-resolution via sparse representations of sharp image patches using multiple dictionaries and bicubic interpolation.
Faezeh YeganliMahmoud NazzalHüseyin ÖzkaramanliPublished in: SIU (2015)
Keyphrases
- image patches
- sparse representation
- super resolution
- single image super resolution
- low resolution
- sparse coding
- dictionary learning
- image super resolution
- high resolution
- high quality
- compressive sensing
- learned dictionary
- natural images
- image classification
- image reconstruction
- super resolution algorithm
- face recognition
- image restoration
- test images
- random projections
- high dimensional data
- image representation
- signal processing
- low resolution images
- interpolation method
- interpolation methods
- computer vision
- machine learning
- dimensionality reduction
- face images
- motion estimation
- high resolution images
- image interpolation
- ground truth
- feature vectors
- feature extraction