DOA estimation of closely-spaced and spectrally-overlapped sources based on time-frequency sparse representation.
Ling ZhengHaijian ZhangHong SunPublished in: ICASSP (2016)
Keyphrases
- sparse representation
- closely spaced
- doa estimation
- direction of arrival
- signal processing
- dictionary learning
- sparse coding
- image classification
- blind source separation
- canonical correlation analysis
- face recognition
- compressive sensing
- image patches
- negative matrix factorization
- contour lines
- high dimensional data
- wavelet transform
- image representation
- dimensionality reduction
- random projections
- data sets
- signal to noise ratio
- image processing
- frequency domain
- pattern recognition
- antenna array
- computer vision
- neural network
- similarity measure