Keyphrases
- anisotropic diffusion
- speckle noise
- speckle reducing anisotropic diffusion
- speckle reduction
- edge detection
- edge preserving
- noise removal
- partial differential equations
- sar images
- noise reduction
- diffusion process
- nonlinear diffusion
- ultrasound images
- synthetic aperture radar
- medical ultrasound
- multiplicative noise
- diffusion equation
- edge enhancement
- bilateral filtering
- nonlinear filtering
- diffusion coefficient
- fourth order
- impulse noise removal
- edge preservation
- structure tensor
- filtering scheme
- multiscale
- diffusion tensor
- computer vision
- median filter
- gray level
- low contrast
- object recognition
- edge detector
- contrast enhancement
- color images