SAR Speckle Filtering Using Hybrid NonLocal Sigma Filter.
Soumaya FatnassiMohamed YahiaTarig AliMohammad Maruf MortulaPublished in: SSD (2021)
Keyphrases
- nonlocal means
- speckle noise
- synthetic aperture radar
- sar images
- speckle reducing anisotropic diffusion
- filtering scheme
- denoising
- ultrasound images
- noise reduction
- image denoising
- multiplicative noise
- filtering algorithm
- speckle reduction
- denoising algorithm
- wavelet domain
- low contrast
- parameter selection
- filtering method
- median filter
- image reconstruction
- pre filtering
- noise removal
- adaptive filtering
- image filtering
- filtering process
- linear filtering
- bilateral filter
- medical ultrasound
- anisotropic diffusion
- additive noise
- noise detection
- finite impulse response
- bilateral filtering
- nonlinear filters
- gaussian filtering
- denoising methods
- parameter estimation
- edge preserving
- gaussian filter
- low pass filter
- image restoration
- impulsive noise
- linear minimum mean square error
- spatial filtering
- high pass
- bandpass
- signal to noise ratio
- wavelet coefficients
- edge detection