NDLI: Evaluation of the plankton species coordinates from digital holographic video

Content Provider	IEEE Xplore Digital Library
Author	Dyomin, V.V. Olshukov, A.S. Kamenev, D.V.
Copyright Year	2011
Description	Author affiliation: Tomsk State University, 36 Lenin Avenue, Tomsk, 634050, Russia (Dyomin, V.V.; Olshukov, A.S.; Kamenev, D.V.)
Abstract	Procedures of evaluating the plankton species coordinates from their holographic video are suggested. The longitudinal coordinate is determined by the position of the best particle image plane reconstructed from a holographic video frame (a hologram). The position of the best image plane is refined based on maximum values of the quality criteria - the boundary contrast and the boundary brightness jump. The wall effect, that is, the influence of the optical water-glass-air system is considered to refine the longitudinal coordinate. The coordinates of the center of gravity of the particle image are taken as the transverse particle coordinates. Experimental results - the particle motion trajectory and the velocities of the plankton species Epishura baicalensis - obtained using these procedures are presented. To take into account plankton species rotation, additional points of its holographic image, coinciding with the characteristic details of the plankton species, are used. The application of this procedure is also illustrated by experimental results.
Starting Page	1
Ending Page	6
File Size	2316435
Page Count	6
File Format	PDF
ISBN	9781457700866
e-ISBN	9781457700880
DOI	10.1109/Oceans-Spain.2011.6003581
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-06
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image reconstruction Trajectory Brightness Cameras Holographic optical components Holography Gravity
Content Type	Text
Resource Type	Article

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