PET Reconstruction With Non-Negativity Constraint in Projection Space: Optimization Through Hypo-Convergence.
Alexandre BousseMatias CourdurierÉlise ÉmondKris ThielemansBrian F. HuttonPablo IrarrazavalDimitris VisvikisPublished in: IEEE Trans. Medical Imaging (2020)
Keyphrases
- image reconstruction
- tomographic reconstruction
- global convergence
- discrete tomography
- three dimensional
- projection images
- optimization problems
- optimization algorithm
- optimization method
- compressed sensing
- evolutionary multiobjective
- positron emission tomography
- projection matrix
- faster convergence
- optimization methods
- global optimization
- low dimensional
- sequential quadratic programming
- constrained optimization
- convergence speed
- convergence rate
- high resolution
- quasi newton
- dual variables
- fan beam
- high dimensional