Non-Local Directional-Guided Filter for Impulse-Gaussian Mixed Noise Image Denoising.
Bo FuRuizi WangYi LiChengdi XingPublished in: ISKE (2019)
Keyphrases
- gaussian noise
- image denoising
- denoising
- impulse noise
- noisy images
- noise suppression
- noise removal
- impulsive noise
- nonlocal means
- bilateral filter
- contourlet transform
- denoising algorithm
- denoising methods
- wavelet shrinkage
- additive gaussian noise
- noise level
- edge preservation
- noise model
- nonlinear filters
- total variation
- multiplicative noise
- wavelet denoising
- natural images
- noise detection
- noise free
- image processing
- bilateral filtering
- white gaussian noise
- partial differential equations
- wavelet domain
- gaussian filter
- additive noise
- wiener filter
- image deblurring
- frequency domain
- singularity detection
- image prior
- spatially adaptive
- filtering method
- fourth order
- directional filter banks
- nl means
- wavelet coefficients
- high frequency
- signal to noise ratio
- nonlinear diffusion
- image restoration
- removing noise
- median filter
- wavelet packet
- wavelet transform
- higher order
- noise reduction
- translation invariant