Direction-of-Arrival Estimation Based on Enhanced Sparse Representation.
Qiuxiang ShenBin LiaoHuiping HuangPublished in: SAM (2018)
Keyphrases
- sparse representation
- doa estimation
- direction of arrival
- signal subspace
- dictionary learning
- sparse coding
- face recognition
- image patches
- image classification
- canonical correlation analysis
- compressive sensing
- signal processing
- dimensionality reduction
- random projections
- correlation matrix
- high dimensional data
- estimation error
- negative matrix factorization
- image representation
- hyperspectral
- probabilistic model
- pattern recognition
- sensor array
- feature extraction
- least squares
- machine learning
- parameter estimation
- eigenvalue decomposition