Sparsity-based PET image reconstruction using MRI learned dictionaries.
Jing TangYanhua WangRutao YaoLeslie YingPublished in: ISBI (2014)
Keyphrases
- image reconstruction
- positron emission tomography
- sparse representation
- image reconstruction algorithms
- reconstructed image
- magnetic resonance imaging
- phase unwrapping
- compressed sensing
- super resolution
- emission computed tomography
- medical images
- sparsely sampled
- inverse problems
- computed tomography
- magnetic resonance images
- cardiac imaging
- radon transform
- reconstruction method
- high dimensional
- mri data
- emission tomography
- mr images
- computer tomography
- signal reconstruction
- high resolution
- medical imaging
- signal processing
- image data
- feature space
- random projections
- image processing
- reconstruction process
- poisson noise
- three dimensional