Oct Image Blind Despeckling Based on Gradient Guided Filter with Speckle Statistical Prior.
Sanqian LiMuxing XiongBing YangXiaoqing ZhangRisa HigashitaJiang LiuPublished in: ICASSP (2023)
Keyphrases
- speckle noise
- contrast enhancement
- edge detection
- noise reduction
- ultrasound images
- input image
- gradient direction
- zero crossing
- multiscale
- edge map
- sar images
- image features
- image regions
- image segmentation
- low contrast
- multiplicative noise
- gradient information
- medical ultrasound
- image analysis
- speckle reduction
- image gradient
- segmentation method
- bilateral filter
- enhanced image
- synthetic aperture radar
- high resolution
- filter responses
- gradient field
- image retrieval
- high pass
- color images
- impulsive noise
- denoising algorithm
- image enhancement
- edge detector
- image structure
- pixel values