Deflated Preconditioned Conjugate Gradients for Nonlinear Diffusion Image Enhancement.
Xiujie ShanMartin van GijzenPublished in: ENUMATH (2019)
Keyphrases
- nonlinear diffusion
- image enhancement
- shock filter
- partial differential equations
- diffusion equation
- anisotropic diffusion
- scale spaces
- image processing
- denoising
- edge detection
- image denoising
- image analysis
- noise removal
- numerical analysis
- edge preserving
- contrast enhancement
- structure tensor
- scale space
- noise reduction
- translation invariant
- median filter
- transfer function
- vector valued
- noisy images
- mathematical morphology
- speckle noise
- multiresolution
- color images
- least squares
- multiscale