Multiscale Penalized Weighted Least-Squares Sinogram Restoration for Low-Dose X-Ray Computed Tomography.
Jing WangZhengrong LiangHongbing LuPublished in: EMBC (2006)
Keyphrases
- weighted least squares
- low dose
- least squares
- multiscale
- computed tomography
- image reconstruction
- imaging modalities
- contrast enhancement
- radon transform
- x ray
- image processing
- ct scans
- medical images
- computer tomography
- lung nodules
- edge detection
- missing data
- medical imaging
- wavelet transform
- image segmentation
- low contrast
- ct images
- motion parameters
- optical flow
- ct data
- conjugate gradient
- wavelet coefficients
- super resolution
- clinical applications
- three dimensional
- decision trees
- medical image analysis
- error function
- medical data
- generalization error
- machine learning
- feature selection