Linearized FE Approximations to a Nonlinear Gradient Flow.
Buyang LiWeiwei SunPublished in: SIAM J. Numer. Anal. (2014)
Keyphrases
- gradient flow
- nonlinear optimization
- active contours
- level set
- energy functional
- curve evolution
- partial differential equations
- active contour model
- variational formulation
- weighting factor
- finite element
- image segmentation
- variational methods
- image denoising
- image dependent
- object boundaries
- shape prior
- soft tissue
- high order
- higher order
- geometric active contours
- computer vision