A Krasnoselskii-Mann Algorithm With an Improved EM Preconditioner for PET Image Reconstruction.
Yizun LinCharles Ross SchmidtleinQia LiSi LiYuesheng XuPublished in: IEEE Trans. Medical Imaging (2019)
Keyphrases
- image reconstruction
- image reconstruction algorithms
- reconstruction method
- expectation maximization
- k means
- probabilistic model
- image processing
- emission computed tomography
- signal reconstruction
- reconstruction process
- compressed sensing
- computational complexity
- inverse problems
- three dimensional
- energy function
- maximum a posteriori
- computed tomography
- maximum likelihood
- tomographic reconstruction
- high quality
- artifact free
- computer vision