Regularized positive-definite fourth order tensor field estimation from DW-MRI.
Angelos BarmpoutisMin-Sig HwangDena HowlandJohn R. ForderBaba C. VemuriPublished in: NeuroImage (2009)
Keyphrases
- positive definite
- diffusion tensor
- tensor field
- anisotropic diffusion
- structure tensor
- noise removal
- symmetric positive definite
- semi parametric
- nonlinear diffusion
- partial differential equations
- magnetic resonance images
- white matter
- edge detection
- diffusion equation
- edge preserving
- covariance matrix
- kernel function
- least squares
- geometric structure
- parametric models
- density estimation
- feature extraction
- image processing
- high order
- optical flow
- kernel matrix
- diffusion process
- affine invariant
- medical images