Subdictionary-Based Joint Sparse Representation for SAR Target Recognition Using Multilevel Reconstruction.
Zhi ZhouZongjie CaoYiming PiPublished in: IEEE Trans. Geosci. Remote. Sens. (2019)
Keyphrases
- sparse representation
- compressed sensing
- reconstruction error
- compressive sensing
- joint optimization
- sparse reconstruction
- image reconstruction
- dictionary learning
- learned dictionary
- sparse coding
- image classification
- image super resolution
- random projections
- image patches
- sparsity constraints
- face recognition
- synthetic aperture radar
- object tracking
- single image super resolution
- signal processing
- piecewise smooth
- test images
- negative matrix factorization
- image representation
- sparse approximations
- high dimensional data
- reconstructed image
- isar imaging
- sparse signal representation
- sar images
- three dimensional
- regularized least squares
- sparse learning
- natural images
- high resolution
- image segmentation
- data mining
- neural network