1. A New Bayesian Approach to Global Optimization on Parametrized Surfaces in R3.
- Author
-
Fradi, Anis, Samir, Chafik, and Adouani, Ines
- Subjects
- *
GAUSSIAN processes , *GLOBAL optimization , *CONSTRAINED optimization , *DENSITY - Abstract
This work introduces a new Riemannian optimization method for registering open parameterized surfaces with a constrained global optimization approach. The proposed formulation leads to a rigorous theoretic foundation and guarantees the existence and the uniqueness of a global solution. We also propose a new Bayesian clustering approach where local distributions of surfaces are modeled with spherical Gaussian processes. The maximization of the posterior density is performed with Hamiltonian dynamics which provide a natural and computationally efficient spherical Hamiltonian Monte Carlo sampling. Experimental results demonstrate the efficiency of the proposed method. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF