Refined Locally Linear Transform-Based Spectral-Domain Gradient Sparsity and Its Applications in Spectral CT Reconstruction.
Qian WangMorteza SalehjahromiHengyong YuPublished in: IEEE Access (2021)
Keyphrases
- spectral domain
- locally linear
- motion artifacts
- optical coherence tomography
- computed tomography
- computer tomography
- cone beam
- frequency domain
- linear combination
- image reconstruction
- ct images
- motion correction
- beating heart
- spatial domain
- medical images
- x ray
- metric learning
- three dimensional
- high dimensional
- ct scans
- spectral analysis
- medical imaging
- sparse representation
- low dimensional
- radon transform
- computer vision
- magnetic resonance imaging
- dimensionality reduction
- image registration
- optical flow