Spectral CT Reconstruction Based on PICCS and Dictionary Learning.
Huihua KongXiaoxue LeiLei LeiYanbo ZhangHengyong YuPublished in: IEEE Access (2020)
Keyphrases
- dictionary learning
- image super resolution
- single image super resolution
- sparse representation
- sparse coding
- fan beam
- image reconstruction
- compressive sensing
- sparsity constraints
- group sparsity
- x ray
- image classification
- medical imaging
- medical images
- natural images
- linear combination
- n gram
- structured sparsity
- dictionary learning for sparse
- face recognition
- sparse codes
- super resolution
- ground truth
- bayesian networks