Spectral CT Image-Domain Material Decomposition via Sparsity Residual Prior and Dictionary Learning.
Tao ZhangHaijun YuYarui XiShaoyu WangFenglin LiuPublished in: IEEE Trans. Instrum. Meas. (2023)
Keyphrases
- dictionary learning
- sparse representation
- ct images
- sparse coding
- sparsity constraints
- computed tomography
- compressive sensing
- medical images
- face recognition
- image patches
- radiation therapy
- image representation
- dimensionality reduction
- prior knowledge
- high dimensional
- data sets
- ground truth
- maximum a posteriori
- machine learning
- cone beam