Hybrid algorithm for few-views computed tomography of strongly absorbing media: algebraic reconstruction, TV-regularization, and adaptive segmentation.
Vitaly V. VlasovAlexander B. KonovalovSergey V. KolchuginPublished in: J. Electronic Imaging (2018)
Keyphrases
- hybrid algorithm
- computed tomography
- medical images
- medical imaging
- ct images
- liver segmentation
- ct scans
- particle swarm optimization
- simulated annealing
- image reconstruction
- ct data
- three dimensional
- computed tomography scans
- medical image processing
- tabu search
- image segmentation
- genetic algorithm
- particle swarm optimization pso
- lymph nodes
- x ray
- ant colony optimization
- segmentation algorithm
- inter observer variability
- differential evolution
- pet ct
- optimal solution
- imperialist competitive algorithm
- standard test problems
- fracture detection
- fully automatic
- image analysis
- region of interest
- magnetic resonance images
- objective function
- metaheuristic
- image registration
- magnetic resonance
- computer vision
- image processing
- pet images
- mr images
- optimization method
- high quality
- pattern recognition
- remote sensing
- neural network
- positron emission tomography
- imaging modalities
- patient specific
- magnetic resonance imaging
- automatic segmentation
- prior information