Singular gradient flow of the distance function and homotopy equivalence
Paolo AlbanoPiermarco CannarsaKhai Tien NguyenCarlo SinestrariPublished in: CoRR (2011)
Keyphrases
- distance function
- gradient flow
- active contours
- energy functional
- partial differential equations
- level set
- active contour model
- similarity search
- nearest neighbor
- variational formulation
- knn
- curve evolution
- distance measure
- level set method
- image dependent
- level set evolution
- image segmentation
- data points
- object boundaries
- optical flow
- energy minimization
- shape prior
- regularization term
- machine learning
- signed distance function
- mumford shah functional
- anisotropic diffusion
- region growing
- energy function