Multi-Scale Image Super-Resolution via Hierarchical Filter Groups.
Gadipudi AmaranageswaraoS. DeivalakshmiPublished in: Appl. Intell. (2022)
Keyphrases
- image super resolution
- multiscale
- dictionary learning
- super resolution
- low resolution
- sparse coding
- kernel regression
- edge preserving
- high resolution images
- natural images
- scale space
- map estimation
- high resolution
- image representation
- noise reduction
- maximum a posteriori
- image registration
- wavelet transform
- image segmentation
- image reconstruction
- data sets
- edge detection
- least squares
- filtering algorithm
- optical flow
- class specific
- low resolution images
- image processing
- image patches
- high quality