Publications in Scientific Journals:
N. Berlakovich, M. Fuerst, E. Csencsics, G. Schitter:
"Robust wavefront segment registration based on a parallel approach";
Applied Optics,
60
(2021),
6;
1578
- 1586.
English abstract:
This paper presents a robust registration algorithm for wavefront reconstruction from multiple partial measurements. Wavefronts exceeding the dynamic range or size of the Shack-Hartmann sensor (SHS) can be measured as a set of segments. The wavefront is reconstructed by parallel registration of these wavefront segments, enabling the compensation of sensor misalignment as well as of phase differences. For registration, a global mismatch metric is minimized by rigid body transformations and propagation of the wavefront segments. Apart from the description of the algorithm, simulation-based evaluation and comparison to the iterative closest point (ICP) algorithm is performed. It is shown that in the case of a noisy data set, the parallel approach enables reconstruction errors which are a factor 10 smaller than the result obtained with the ICP algorithm.
"Official" electronic version of the publication (accessed through its Digital Object Identifier - DOI)
http://dx.doi.org/10.1364/AO.413207
Electronic version of the publication:
https://publik.tuwien.ac.at/files/publik_295213.pdf
Created from the Publication Database of the Vienna University of Technology.