Eigenvalue bounds for the Gramian operator of the heat equation.
Martin LazarEnrique ZuazuaPublished in: Autom. (2024)
Keyphrases
- heat equation
- heat kernel
- laplace beltrami
- steady state
- scale space
- scale spaces
- partial differential equations
- shape analysis
- diffusion process
- gaussian kernel
- image smoothing
- weight matrix
- graph laplacian
- gaussian scale space
- riemannian manifolds
- wiener filter
- minimum spanning tree
- covariance matrix
- image restoration
- image analysis
- differential operators
- complex shapes
- graph structure
- kernel methods
- edge detection
- least squares