Nonconvex sparse regularizer based speckle noise removal.
Yu HanXiang-Chu FengGeorge BaciuWeiwei WangPublished in: Pattern Recognit. (2013)
Keyphrases
- noise removal
- noise reduction
- denoising
- anisotropic diffusion
- image enhancement
- fourth order
- edge detection
- low rank matrices
- total variation
- speckle noise
- signal to noise ratio
- edge preserving
- edge preservation
- convex optimization
- ultrasound images
- semi supervised
- diffusion filtering
- optimization problems
- sparse representation
- sar images
- noise level
- gaussian noise
- bilateral filter
- synthetic aperture radar
- contrast enhancement
- image details
- salt and pepper noise
- median filter
- image processing
- signal dependent
- impulsive noise removal
- image denoising
- pattern recognition
- objective function
- high quality