An improved iterative thresholding algorithm for L1-norm regularization based sparse SAR imaging.
Hui BiYong LiDaiyin ZhuGuoan BiBingchen ZhangWen HongYirong WuPublished in: Sci. China Inf. Sci. (2020)
Keyphrases
- norm regularization
- thresholding algorithm
- convex optimization
- canonical correlation analysis
- sar imaging
- sparse representation
- regularization methods
- total variation
- group lasso
- matrix completion
- loss function
- iterative methods
- multiple kernel learning
- space variant
- synthetic aperture radar
- spectral estimation
- image restoration
- variable selection
- max margin
- regression model
- denoising
- feature selection
- low rank
- sar images
- contingency tables
- pattern recognition
- multiscale
- efficient optimization
- signal processing
- higher order
- feature vectors
- image processing