Group-Sparsity-Based Super-Resolution Dipole Orientation Mapping.
Long ChenMiaoyan WangXu ZhangMichael ZhangYucheng HuZuoqiang ShiPeng XiJuntao GaoPublished in: IEEE Trans. Medical Imaging (2019)
Keyphrases
- super resolution
- group sparsity
- low resolution
- structured sparsity
- high resolution
- sparse coding
- image restoration
- image reconstruction
- dictionary learning
- low resolution images
- high quality
- low rank
- image patches
- sparse representation
- motion estimation
- light field
- image retrieval
- learning algorithm
- visual words
- missing data
- data sets
- natural images
- multiresolution