Keyphrases
- fourth order
- estimation algorithm
- linear array
- high order
- noise removal
- image interpolation
- signal subspace
- partial differential equations
- nonlinear diffusion
- computationally efficient
- anisotropic diffusion
- higher order statistics
- estimation error
- maximum likelihood
- higher order
- denoising
- processing elements
- feature vectors
- image denoising
- sparse representation
- standard deviation
- pattern recognition
- object recognition