Keyphrases
- edge detection
- edge enhancement
- edge localization
- positive and negative
- edge information
- step edges
- weighted sum
- linear combination
- gradient operators
- relative importance
- directional filtering
- edge weights
- gabor filters
- image filtering
- edge points
- image edges
- hough transform
- artificial neural networks
- weighted graph
- image enhancement
- noisy images
- laplacian operator
- finite impulse response
- digital filters
- adaptive filtering
- image gradient
- anisotropic diffusion
- neural network
- undirected graph