Smoothed L0-Constraint Dictionary Learning for Low-Dose X-Ray CT Reconstruction.
Temitope E. KomolafeKang WangQiang DuTao HuGang YuanJian ZhengCheng ZhangMing LiXiaodong YangPublished in: IEEE Access (2020)
Keyphrases
- dictionary learning
- low dose
- x ray
- sparsity constraints
- computer tomography
- sparse representation
- sparse coding
- three dimensional
- ct scans
- medical imaging
- imaging modalities
- x ray images
- intraoperative
- computed tomography
- lung nodules
- medical images
- image classification
- ct images
- natural images
- contrast enhancement
- image reconstruction
- linear combination
- machine learning
- image patches
- low contrast
- computer aided diagnosis
- ct data
- high resolution
- video sequences
- image representation