SAR despeckling via classification-based nonlocal and local sparse representation.
Shujun LiuGuoqing WuXinzheng ZhangKui ZhangPin WangYongming LiPublished in: Neurocomputing (2017)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- sar images
- sparse coding
- synthetic aperture radar
- joint optimization
- face recognition
- support vector
- pattern recognition
- compressive sensing
- signal processing
- random projections
- image reconstruction
- image representation
- test images
- multiscale
- compressed sensing
- decision trees
- regularized least squares
- sparse approximations
- sparse reconstruction
- unsupervised learning
- feature extraction
- dimensionality reduction
- supervised learning
- support vector machine
- training set
- machine learning
- image patches
- feature vectors
- image denoising
- speckle noise
- model selection
- image processing
- norm minimization
- sparsity constraints
- data mining
- data sets