Extended permutation filters and their application to image edge enhancement.
Kenneth E. BarnerRussell C. HardiePublished in: ICIP (1995)
Keyphrases
- edge enhancement
- fourier analysis
- image data
- gaussian filter
- edge detection
- input image
- single image
- high pass
- multiscale
- anisotropic diffusion
- image analysis
- image features
- noise reduction
- image segmentation
- order statistics
- filter responses
- bandpass
- vector field
- low pass filter
- segmentation algorithm
- pixel values
- gray scale images
- image processing
- noise level
- fourier transform
- geometric distortions
- frequency domain