DOA estimation by fourth-order cumulants in unknown noise environments.
Yuan-Hwang ChenYih-Sheng LinPublished in: ICASSP (4) (1993)
Keyphrases
- fourth order
- noise removal
- doa estimation
- estimation error
- signal subspace
- direction of arrival
- noise reduction
- high order
- partial differential equations
- anisotropic diffusion
- image enhancement
- signal to noise ratio
- denoising
- gaussian noise
- image interpolation
- edge detection
- higher order statistics
- noise level
- standard deviation
- diffusion equation
- nonlinear diffusion
- image processing
- additive noise
- canonical correlation analysis
- covariance matrix
- error rate
- scale space
- level set
- multiscale