Penalized Likelihood PET Image Reconstruction Using Patch-Based Edge-Preserving Regularization.
Guobao WangJinyi QiPublished in: IEEE Trans. Medical Imaging (2012)
Keyphrases
- image reconstruction
- penalized likelihood
- limited angle
- maximum likelihood
- inverse problems
- shift variant
- em algorithm
- image reconstruction algorithms
- reconstructed image
- positron emission tomography
- super resolution
- maximum a posteriori
- emission computed tomography
- edge preserving
- image patches
- radon transform
- tomographic reconstruction
- expectation maximization
- random projections
- high quality