
Proceedings Paper
A method for the analysis and data reduction from Hartmann and Shack-Hartmann testsFormat | Member Price | Non-Member Price |
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Paper Abstract
A computer software is proposed in order to determine the centroids of the spots in a Hartmann pattern or
Hartmanngrams. The software was developed using algorithms for segmentation of images, which are techniques used in
digital image processing.
Centroid determination for a Shack-Hartmann pattern is the key point to obtain reliable results. We focus in obtaining
good centroid determination for Hartmanngrams under conditions of high noise. The proposed algorithms are the
essential part of this work, as they are morphological algorithms, which mainly are modifications of the weighted
averaging algorithm. They have several advantages, such as, the adjustment to the shape of every spot of the
Hartmanngram and that it is an interactive and automatic software. Although the software is more complete and reliable
than other techniques and algorithms, since it can analyze complicated pictures of Hartmanngrams and measure the
centroids of the spots.
Paper Details
Date Published: 28 August 2016
PDF: 6 pages
Proc. SPIE 9960, Interferometry XVIII, 996013 (28 August 2016); doi: 10.1117/12.2237060
Published in SPIE Proceedings Vol. 9960:
Interferometry XVIII
Katherine Creath; Jan Burke; Armando Albertazzi Gonçalves Jr., Editor(s)
PDF: 6 pages
Proc. SPIE 9960, Interferometry XVIII, 996013 (28 August 2016); doi: 10.1117/12.2237060
Show Author Affiliations
Fco. Javier Gantes Nuñez, Ctr. de Investigaciones en Óptica A.C. (Mexico)
Zacarías Malacara Hernández, Ctr. de Investigaciones en Óptica A.C. (Mexico)
Zacarías Malacara Hernández, Ctr. de Investigaciones en Óptica A.C. (Mexico)
Daniel Malacara Hernández, Ctr. de Investigaciones en Óptica A.C. (Mexico)
Published in SPIE Proceedings Vol. 9960:
Interferometry XVIII
Katherine Creath; Jan Burke; Armando Albertazzi Gonçalves Jr., Editor(s)
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