A second-order length-preserving and unconditionally energy stable rotational discrete gradient method for Oseen-Frank gradient flows.
Jie XuXiaotian YangZhiguo YangPublished in: CoRR (2023)
Keyphrases
- gradient method
- gradient flows
- gradient flow
- active contour model
- active contours
- convergence rate
- energy functional
- step size
- riemannian metric
- geometric active contours
- higher order
- negative matrix factorization
- level set
- energy minimization
- high order
- shape prior
- cost function
- optimization methods
- similarity measure
- partial differential equations
- cluster analysis
- multiresolution
- multiscale