Diffusion-informed spatial smoothing of fMRI data in white matter using spectral graph filters.
David AbramianMartin LarssonAnders EklundIman AganjCarl-Fredrik WestinHamid BehjatPublished in: NeuroImage (2021)
Keyphrases
- white matter
- spectral graph
- tensor field
- diffusion mri
- fiber bundles
- brain white matter
- diffusion tensor
- human brain
- magnetic resonance images
- diffusion imaging
- diffusion tensor imaging
- mri data
- corpus callosum
- dt mri
- theoretic framework
- gray matter
- nonlinear diffusion
- structure tensor
- multiscale
- high angular resolution diffusion imaging
- diffusion equation
- graph partitioning
- anisotropic diffusion
- diffusion tensor images
- brain tissue
- diffusion weighted
- diffusion coefficient
- matrix valued
- cerebrospinal fluid
- scale spaces
- partial differential equations
- spatial patterns
- pairwise
- weighted graph
- diffusion process
- similarity matrix
- edge detection