An Arnoldi-based preconditioner for iterated Tikhonov regularization.
Alessandro BucciniLucas OniskLothar ReichelPublished in: Numer. Algorithms (2023)
Keyphrases
- tikhonov regularization
- image restoration
- regularization parameter
- preconditioned conjugate gradient
- reproducing kernel hilbert space
- vector valued
- least squares
- markov random field
- image processing
- cross validation
- regularization term
- machine learning
- high quality
- density estimation
- machine learning algorithms
- prior knowledge
- gaussian kernels