Keyphrases
- noise removal
- anisotropic diffusion
- perona malik
- edge detection
- input image
- edge preservation
- multiscale
- salt and pepper noise
- image features
- gaussian noise
- denoising
- image analysis
- gaussian scale space
- image enhancement
- denoising algorithm
- fourth order
- image interpolation
- similarity measure
- vector field
- high resolution
- pattern recognition
- image segmentation
- edge map
- partial differential equations
- test images
- additive noise
- impulse noise
- natural images
- scale space
- color images