Sinogram Blurring Matrix Estimation From Point Sources Measurements With Rank-One Approximation for Fully 3-D PET.
Kuang GongJian ZhouMichel TohmeMartin JudenhoferYongfeng YangJinyi QiPublished in: IEEE Trans. Medical Imaging (2017)
Keyphrases
- singular values
- noisy measurements
- low rank approximation
- singular value decomposition
- singular vectors
- measurement error
- information sources
- matrix representation
- closed form
- error estimates
- approximation algorithms
- estimation algorithm
- reconstructed image
- density estimation
- error bounds
- image reconstruction
- data sources
- update equations
- space variant
- imaging modalities
- image restoration
- dominant points
- image compression
- image processing
- nuclear norm minimization