Synthetic Aperture Radar Image Despeckling Based on Multi-Weighted Sparse Coding.
Shujun LiuNingjie PuJianxin CaoKui ZhangPublished in: Entropy (2022)
Keyphrases
- synthetic aperture radar
- sar images
- speckle noise
- sparse coding
- sar imagery
- image classification
- image representation
- sar data
- ultrasound images
- image features
- sparse representation
- image data
- multiscale
- natural images
- input image
- image reconstruction
- image retrieval
- contrast enhancement
- visual words
- linear combination
- noise reduction
- image segmentation
- wavelet domain
- edge preserving
- additive noise
- edge detection
- image analysis
- test images
- generative model
- low contrast
- image processing
- sar imaging
- parameter estimation
- unsupervised learning
- similarity measure
- spatial information
- maximum likelihood
- denoising
- high resolution
- feature extraction