Preconditioning Lanczos Approximations to the Matrix Exponential.
Jasper van den EshofMarlis HochbruckPublished in: SIAM J. Sci. Comput. (2006)
Keyphrases
- eigendecomposition
- efficient computation
- closed form
- covariance matrix
- conjugate gradient
- edge preserving
- similarity matrix
- matrix representation
- inverse problems
- approximation methods
- linear algebra
- convergence rate
- markov random field
- bundle adjustment
- low rank
- optical flow computation
- iterative methods
- linear combination