Three-Parallel Co-Prime Polarization Sensitive Array for 2-D DOA and Polarization Estimation via Sparse Representation.
Weijian SiYan WangChunjie ZhangPublished in: IEEE Access (2019)
Keyphrases
- sparse representation
- dictionary learning
- direction of arrival
- compressive sensing
- sparse coding
- face recognition
- doa estimation
- image classification
- compressed sensing
- piecewise smooth
- high dimensional data
- random projections
- regularized least squares
- image representation
- image patches
- joint optimization
- reconstruction error
- test images
- negative matrix factorization
- sparse reconstruction
- image segmentation
- sparse approximations
- sparsity constraints
- estimation error
- data mining
- signal processing
- face images
- feature space
- computer vision