Anisotropic Image Sharpening via Well-Posed Sobolev Gradient Flows.
Jeff CalderAbdol-Reza MansouriPublished in: SIAM J. Math. Anal. (2011)
Keyphrases
- gradient flows
- image sharpening
- active contour model
- active contours
- riemannian metric
- geometric active contours
- tensor field
- gradient flow
- energy functional
- color images
- digital camera
- anisotropic diffusion
- partial differential equations
- sobolev active contours
- level set
- curve evolution
- adobe photoshop
- segmentation method
- image segmentation
- energy minimization
- digital images
- gradient vector flow
- energy function
- image processing
- infinite dimensional
- shape representation
- mumford shah functional
- variational formulation
- region growing
- gray scale
- low cost