Fourth order indirect diffusion coupled with shock filter and source for text binarization.
Jiebin GuoChuanjiang HeYan WangPublished in: Signal Process. (2020)
Keyphrases
- nonlinear diffusion
- shock filter
- fourth order
- anisotropic diffusion
- denoising
- scale spaces
- image denoising
- partial differential equations
- edge preserving
- diffusion equation
- structure tensor
- noise reduction
- vector valued
- speckle noise
- noise removal
- shift invariant
- edge detection
- image processing
- noisy images
- scale space
- translation invariant
- level set
- pairwise