Particle tracking by using single coefficient of Wigner-Ville distribution

J. Widjaja; S. Dawprateep; P. Chuamchaitrakool; P. Meemon

doi:10.1117/12.2242418

11 November 2016 Particle tracking by using single coefficient of Wigner-Ville distribution

J. Widjaja, S. Dawprateep, P. Chuamchaitrakool, P. Meemon

Author Affiliations +

Proceedings Volume 10150, Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016); 1015004 (2016) https://doi.org/10.1117/12.2242418
Event: Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016), 2016, Bali, Indonesia

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.

Citation Download Citation

J. Widjaja, S. Dawprateep, P. Chuamchaitrakool, and P. Meemon "Particle tracking by using single coefficient of Wigner-Ville distribution", Proc. SPIE 10150, Second International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2016), 1015004 (11 November 2016); https://doi.org/10.1117/12.2242418

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KEYWORDS

Particles

Holograms

3D image reconstruction

Computer simulations

Holography

Computing systems

Digital holography

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