MRI based attenuation correction for PET/MRI via MRF segmentation and sparse regression estimated CT.
Yasheng ChenMeher R. JuttukondaYue Z. LeeYi SuFelipe EspinozaWeili LinDinggang ShenDavid LulashHongyu AnPublished in: ISBI (2014)
Keyphrases
- magnetic resonance imaging
- medical images
- mri images
- positron emission tomography
- brain scans
- medical imaging
- mri brain
- magnetic resonance images
- brain mri
- bias field
- mri data
- imaging modalities
- computer tomography
- pet images
- ct images
- anatomical structures
- mr images
- computed tomography
- pet ct
- magnetic resonance
- sparse regression
- image segmentation
- energy function
- brain tumors
- carotid artery
- markov random field
- partial volume
- brain images
- multislice
- image registration
- high resolution
- image reconstruction
- x ray
- graph cuts
- higher order
- level set
- gibbs energy
- feature selection
- pairwise
- ct scans