DOA Estimation for Coherent Signals With Improved Sparse Representation in the Presence of Unknown Spatially Correlated Gaussian Noise.
Yunfei FangShengqi ZhuYongchan GaoCao ZengPublished in: IEEE Trans. Veh. Technol. (2020)
Keyphrases
- sparse representation
- gaussian noise
- piecewise smooth
- spatially correlated
- doa estimation
- signal processing
- direction of arrival
- signal to noise ratio
- noisy images
- denoising
- image restoration
- image classification
- face recognition
- noise level
- noise removal
- compressive sensing
- image patches
- random projections
- blind source separation
- jpeg compression
- image representation
- canonical correlation analysis
- high dimensional data
- dimensionality reduction
- test images
- noise reduction
- sparse signal representation
- depth map
- natural images
- high dimensional
- multiscale