Delta function approximations in level set methods by distance function extension.
Sara ZahediAnna-Karin TornbergPublished in: J. Comput. Phys. (2010)
Keyphrases
- distance function
- signed distance function
- level set method
- level set
- level set evolution
- piecewise constant
- nearest neighbor
- active contours
- level set formulation
- similarity search
- image segmentation
- knn
- energy functional
- numerical methods
- distance measure
- deformable models
- data points
- partial differential equations
- variational formulation
- curve evolution
- active contour model
- shape prior
- data sets
- computer vision
- neural network
- finite difference