Single MR-image super-resolution based on convolutional sparse representation.
Shima KasiriMehdi EzojiPublished in: Signal Image Video Process. (2020)
Keyphrases
- image super resolution
- sparse representation
- dictionary learning
- sparse coding
- image registration
- face recognition
- image patches
- image classification
- super resolution
- low resolution
- high dimensional data
- signal processing
- natural images
- generative model
- high resolution
- test images
- map estimation
- unsupervised learning
- maximum a posteriori
- image representation
- feature selection
- pattern recognition
- image processing