M-Eigenvalues-Based Sufficient Conditions for the Positive Definiteness of Fourth-Order Partially Symmetric Tensors.
Gang WangLinxuan SunLixia LiuPublished in: Complex. (2020)
Keyphrases
- sufficient conditions
- fourth order
- positive definite
- symmetric matrices
- high order
- noise removal
- covariance matrix
- anisotropic diffusion
- partial differential equations
- image interpolation
- diffusion tensor
- higher order
- kernel matrix
- exponential stability
- nonlinear diffusion
- boundary conditions
- image enhancement
- kernel function
- pairwise
- linear systems
- asymptotic stability
- image processing
- low rank
- diffusion equation
- principal components
- denoising
- image features
- symmetric matrix