Study of centroiding algorithms to optimize Shack-Hartmann WFS in the context of ELTsS. Thomas, O. Lardiere, D. Gavel and R. Conan1st AO4ELT conference - Adaptive Optics for Extremely Large Telescopes, (2010) 05004DOI: https://doi.org/10.1051/ao4elt/201005004