Directional kernel based multi-scale sharpening filter.
Tae-Chan KimWon-Ho ChoPublished in: ICCE (2014)
Keyphrases
- multiscale
- edge detection
- directional filtering
- noise reduction
- image sharpening
- contourlet transform
- scale space
- natural images
- noise removal
- high pass
- zero crossing
- wavelet transform
- signal to noise ratio
- digital images
- image details
- bandpass
- image enhancement
- directional features
- image filtering
- filtering algorithm
- support vector
- low pass filter
- image segmentation
- multiple scales
- impulsive noise removal
- optic flow
- wavelet decomposition
- edge preserving
- median filter
- contrast enhancement
- anisotropic diffusion
- wavelet domain
- partial differential equations
- kernel methods
- frequency domain
- support vector machine