Adaptive Compressive Beamforming Based on Bi-Sparse Dictionary Learning.
Qijia GuoZhinan XinTian ZhouJingwei YinHong-Liang CuiPublished in: IEEE Trans. Instrum. Meas. (2022)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- compressive sensing
- image super resolution
- random projections
- group sparsity
- face recognition
- image classification
- multiscale
- blind source separation
- dictionary learning for sparse
- data sets
- sparsity constraints
- dimensionality reduction
- sparse codes
- unsupervised learning
- image patches
- signal processing
- negative matrix factorization
- object category recognition
- structured sparsity
- test images
- linear combination
- probabilistic model
- pairwise
- feature space
- image processing
- machine learning