Image Sharpening via Sobolev Gradient Flows.
Jeff CalderAbdol-Reza MansouriAnthony J. YezziPublished in: SIAM J. Imaging Sci. (2010)
Keyphrases
- gradient flows
- image sharpening
- active contour model
- active contours
- color images
- geometric active contours
- gradient flow
- energy functional
- riemannian metric
- digital camera
- level set
- adobe photoshop
- scanned images
- curve evolution
- image segmentation
- energy minimization
- partial differential equations
- gradient vector flow
- region growing
- image processing
- digital images
- regularization term
- denoising