Low-dose CT iterative reconstruction based on image block classification and dictionary learning.
Yunjia GuiXia ZhaoYunjiao BaiRongge ZhaoWenqiang LiYi LiuPublished in: Signal Image Video Process. (2023)
Keyphrases
- dictionary learning
- low dose
- lung nodules
- iterative reconstruction
- sparse representation
- x ray
- computed tomography
- ct scans
- imaging modalities
- computer tomography
- decision trees
- ct images
- medical imaging
- medical images
- contrast enhancement
- image classification
- machine learning
- test images
- x ray images
- multislice
- image analysis
- computer aided diagnosis
- three dimensional
- multiscale
- training set
- feature vectors
- ground truth
- co occurrence
- image reconstruction