CT Image Reconstruction via Nonlocal Low-Rank Regularization and Data-Driven Tight Frame.
Yanfeng ShenShuli SunFengsheng XuYanqin LiuXiuling YinXiaoshuang ZhouPublished in: Symmetry (2021)
Keyphrases
- image reconstruction
- low rank
- rank minimization
- trace norm
- computed tomography
- inverse problems
- super resolution
- missing data
- reconstructed image
- linear combination
- convex optimization
- matrix factorization
- compressed sensing
- matrix completion
- singular value decomposition
- fan beam
- semi supervised
- ct scans
- high order
- high dimensional data
- radon transform
- kernel matrix
- reconstruction method
- random projections
- image denoising
- denoising
- image restoration
- ct images
- least squares
- respiratory motion
- positron emission tomography
- motion estimation
- high resolution
- high quality
- three dimensional