Real-valued off-grid DOA estimation based on fourth-order cumulants using sparse Bayesian learning in spatial coloured noise.
Meihong PanGong ZhangZhentao HuQin ZhengPublished in: IET Commun. (2019)
Keyphrases
- fourth order
- real valued
- noise removal
- doa estimation
- estimation error
- signal subspace
- high order
- noise reduction
- anisotropic diffusion
- image interpolation
- partial differential equations
- image enhancement
- denoising
- gaussian noise
- edge detection
- signal to noise ratio
- nonlinear diffusion
- pattern recognition
- standard deviation
- latent variables
- covariance matrix
- higher order
- least squares
- error rate
- supervised learning
- image processing