Fusion Despeckling Based on Surface Variation Anisotropic Diffusion Filter and Ratio Image Filter.
Fengcheng GuoGuo ZhangQingjun ZhangRuishan ZhaoMingjun DengKai XuPeng JiaXiaoyun HaoPublished in: IEEE Trans. Geosci. Remote. Sens. (2020)
Keyphrases
- anisotropic diffusion
- bilateral filter
- edge preservation
- speckle reduction
- speckle noise
- noise removal
- impulse noise removal
- edge detection
- noise reduction
- bilateral filtering
- edge preserving smoothing
- edge preserving
- ultrasound images
- perona malik
- nl means
- speckle reducing anisotropic diffusion
- filtering scheme
- median filter
- nonlinear filtering
- image filtering
- nonlinear filters
- partial differential equations
- image details
- morphological filters
- image features
- gaussian filter
- impulsive noise
- image denoising
- multiscale
- diffusion coefficient
- diffusion process
- denoising
- input image
- sar images
- zero crossing
- diffusion tensor
- medical ultrasound
- noise suppression
- diffusion equation
- structure tensor
- denoising methods
- impulse noise
- additive noise
- edge map
- nonlinear diffusion
- pixel values
- contrast enhancement
- low contrast
- nonlocal means
- linear filters
- ultrasound imaging
- fourth order
- image restoration
- natural images
- scale space
- color images