Multiscale Penalized Weighted Least-Squares Sinogram Restoration for Low-Dose X-Ray Computed Tomography.
Jing WangHongbing LuJunhai WenZhengrong LiangPublished in: IEEE Trans. Biomed. Eng. (2008)
Keyphrases
- weighted least squares
- low dose
- least squares
- multiscale
- imaging modalities
- contrast enhancement
- computed tomography
- image reconstruction
- x ray
- image processing
- radon transform
- ct scans
- lung nodules
- medical imaging
- medical images
- low contrast
- image segmentation
- edge detection
- motion parameters
- computer tomography
- missing data
- intraoperative
- conjugate gradient
- medical data
- image enhancement
- loss function
- wavelet transform
- maximum likelihood
- clinical trials
- super resolution
- error function
- ct data
- active learning