DOA Estimation Based on Weighted l1-norm Sparse Representation for Low SNR Scenarios.
Ming ZuoShuguo XieXian ZhangMeiling YangPublished in: Sensors (2021)
Keyphrases
- sparse representation
- low snr
- doa estimation
- regularized least squares
- norm minimization
- dictionary learning
- sparse coding
- noise model
- sparse learning
- canonical correlation analysis
- image classification
- face recognition
- signal processing
- image patches
- compressive sensing
- random projections
- image representation
- negative matrix factorization
- test images
- dimensionality reduction
- low signal to noise ratio
- objective function
- sparse coefficients
- noisy images
- high dimensional data
- probabilistic model
- neural network