Low-dose computed tomography reconstruction regularized by structural group sparsity joined with gradient prior.
Wei YuWei PengHai YinChengxiang WangKaihu YuPublished in: Signal Process. (2021)
Keyphrases
- computed tomography
- low dose
- image reconstruction
- three dimensional
- ct images
- computer tomography
- ct scans
- medical images
- structured sparsity
- medical imaging
- compressive sensing
- ct data
- x ray
- sparse coding
- super resolution
- prior knowledge
- high resolution
- magnetic resonance imaging
- medical diagnosis
- machine learning
- edge detection
- image segmentation
- prior information
- lung nodules
- treatment planning
- positron emission tomography