Accurate estimation of the fisher information matrix for the PET image reconstruction problem.
Quanzheng LiEvren AsmaJinyi QiJames R. BadingRichard M. LeahyPublished in: IEEE Trans. Medical Imaging (2004)
Keyphrases
- image reconstruction
- fisher information
- accurate estimation
- image reconstruction algorithms
- positron emission tomography
- positive definite
- euclidean space
- probability density function
- emission computed tomography
- super resolution
- noise level
- maximum a posteriori
- reconstruction method
- geodesic distance
- random projections
- covariance matrix
- estimation error
- computer vision
- image registration
- probabilistic model
- face recognition