Group Sparse Representation Based Dictionary Learning for SAR Image Despeckling.
Su LiuGong ZhangWenbo LiuPublished in: IEEE Access (2019)
Keyphrases
- dictionary learning
- sar images
- synthetic aperture radar
- sparse representation
- sparse coding
- speckle noise
- edge detector
- image classification
- wavelet domain
- unsupervised learning
- pattern recognition
- computer vision
- generative model
- signal processing
- edge detection
- ultrasound images
- small number
- multiresolution
- pairwise
- face recognition