Entropy-Based Non-Local Means Filter for Single-Look SAR Speckle Reduction.
Débora ChanJuliana GambiniAlejandro C. FreryPublished in: Remote. Sens. (2022)
Keyphrases
- speckle noise
- noise reduction
- speckle reduction
- ultrasound images
- sar images
- denoising
- median filter
- synthetic aperture radar
- speckle reducing anisotropic diffusion
- filtering scheme
- edge preserving
- medical ultrasound
- low contrast
- noise level
- fine details
- anisotropic diffusion
- parameter estimation
- multiplicative noise
- least squares
- image processing