Differential Approximation of the 2-D Laplace Operator for Edge Detection in Digital Images.
Jakub PeksinskiGrzegorz MikolajczakPublished in: ICCCI (3) (2010)
Keyphrases
- digital images
- edge detection
- gradient operators
- laplacian operator
- edge detector
- digital image processing
- image enhancement
- image processing
- multiscale
- expectation propagation
- color correction
- noisy images
- noise reduction
- approximation error
- mumford shah model
- approximation algorithms
- approximation methods
- recursive filtering
- anisotropic diffusion
- error bounds
- zero crossing
- neural network
- region growing
- noise estimation
- morphological operations
- black and white
- signal to noise ratio
- error tolerance
- gray level
- color images
- multiresolution
- image segmentation
- sobel operator