MR image super-resolution reconstruction using sparse representation, nonlocal similarity and sparse derivative prior.
Di ZhangJiazhong HeYun ZhaoMinghui DuPublished in: Comput. Biol. Medicine (2015)
Keyphrases
- sparse representation
- super resolution reconstruction
- mr images
- image super resolution
- dictionary learning
- super resolution
- sparse coding
- compressive sensing
- face recognition
- similarity measure
- medical images
- low resolution
- space time
- image classification
- prior model
- high resolution
- image representation
- image patches
- image data
- multi frame
- low resolution images
- dimensionality reduction
- sparse coefficients
- test images
- regularized least squares
- high resolution images
- motion estimation
- high dimensional data
- facial expressions
- active contours
- computer vision
- image restoration