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Proceedings Paper

Particle tracking by using single coefficient of Wigner-Ville distribution
Author(s): J. Widjaja; S. Dawprateep; P. Chuamchaitrakool; P. Meemon
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Paper Abstract

A new method for extracting information from particle holograms by using a single coefficient of Wigner-Ville distribution (WVD) is proposed to obviate drawbacks of conventional numerical reconstructions. Our previous study found that analysis of the holograms by using the WVD gives output coefficients which are mainly confined along a diagonal direction intercepted at the origin of the WVD plane. The slope of this diagonal direction is inversely proportional to the particle position. One of these coefficients always has minimum amplitude, regardless of the particle position. By detecting position of the coefficient with minimum amplitude in the WVD plane, the particle position can be accurately measured. The proposed method is verified through computer simulations.

Paper Details

Date Published: 11 November 2016
PDF: 4 pages
Proc. SPIE 10150, Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016), 1015004 (11 November 2016); doi: 10.1117/12.2242418
Show Author Affiliations
J. Widjaja, Suranaree Univ. of Technology (Thailand)
S. Dawprateep, Suranaree Univ. of Technology (Thailand)
P. Chuamchaitrakool, Suranaree Univ. of Technology (Thailand)
P. Meemon, Suranaree Univ. of Technology (Thailand)


Published in SPIE Proceedings Vol. 10150:
Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016)
Agus M. Hatta; Aulia M. T. Nasution, Editor(s)

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