Simultaneous Activity and Attenuation Estimation in TOF-PET With TV-Constrained Nonconvex Optimization.
Zhimei RenEmil Y. SidkyRina Foygel BarberChien-Min KaoXiaochuan PanPublished in: IEEE Trans. Medical Imaging (2024)
Keyphrases
- optimization problems
- global optimization
- concave convex procedure
- lagrange multipliers
- infrared
- simultaneous optimization
- estimation algorithm
- optimization algorithm
- nonlinear programming
- objective function
- optimization method
- constrained optimization
- evolutionary algorithm
- subgradient method
- imaging modalities
- high resolution
- magnetic resonance
- convex optimization
- human activities