Direction-of-Arrival Estimation Using a Sparse Representation of Array Covariance Vectors.
Jihao YinTianqi ChenPublished in: IEEE Trans. Signal Process. (2011)
Keyphrases
- sparse representation
- direction of arrival
- doa estimation
- signal subspace
- correlation matrix
- dictionary learning
- canonical correlation analysis
- sparse coding
- face recognition
- compressive sensing
- image classification
- random projections
- linear array
- image representation
- image patches
- high dimensional data
- estimation error
- antenna array
- feature vectors
- dimensionality reduction
- neural network
- signal to noise ratio
- negative matrix factorization
- signal processing
- sensor array
- sparse coefficients
- principal components
- sound source
- feature representation
- optical flow
- high dimensional
- feature space
- computer vision
- machine learning