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Proceedings Paper

Matched filter applied to discriminate particles with different sizes in biological flows
Author(s): Marina Gómez Climente; Julia Lobera Salazar; Virginia Palero Díaz; Maria Pilar Arroyo de Grandes
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Paper Abstract

Digital holography has been applied to discriminate particles with different sizes in a capillary flow. With this objective, a specific matched filter, a Wiener Filter, has been applied to the complex amplitude distribution obtained from holograms recorded with a tilted illumination set-up. Different possibilities of applying such a filter have been considered, related to the Wiener Filter definition itself and to its application in a 3D or 2D approach. The tilted illumination set-up allowed us to generate a new 2D visualization of the 3D particle scattering that has been found very useful to help in understanding the difficulties in finding particle trajectories when particle tracking methods are applied.

Paper Details

Date Published: 21 June 2019
PDF: 7 pages
Proc. SPIE 11060, Optical Methods for Inspection, Characterization, and Imaging of Biomaterials IV, 110600D (21 June 2019); doi: 10.1117/12.2525833
Show Author Affiliations
Marina Gómez Climente, Univ. de Zaragoza (Spain)
Julia Lobera Salazar, Univ. de Zaragoza (Spain)
Virginia Palero Díaz, Univ. de Zaragoza (Spain)
Maria Pilar Arroyo de Grandes, Univ. de Zaragoza (Spain)


Published in SPIE Proceedings Vol. 11060:
Optical Methods for Inspection, Characterization, and Imaging of Biomaterials IV
Pietro Ferraro; Simonetta Grilli; Monika Ritsch-Marte; Christoph K. Hitzenberger, Editor(s)

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