Threshold effect on particle tracking algorithms

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dc.citation.epage020004-4en_US
dc.citation.spage020004-1en_US
dc.citation.volumeNumber2042en_US
dc.contributor.authorYĆ¼cel, H.en_US
dc.contributor.authorVelu, Sabareesh K. P.en_US
dc.coverage.spatialBodrum, Turkeyen_US
dc.date.accessioned2019-02-21T16:02:59Zen_US
dc.date.available2019-02-21T16:02:59Zen_US
dc.date.issued2018en_US
dc.departmentDepartment of Physicsen_US
dc.descriptionDate of Conference: 5ā€“9 September 2018en_US
dc.descriptionConference Name: 34th International Physics Congress of the Turkish Physical Society, TPS34 2018en_US
dc.description.abstractAutomated particle tracking algorithms are widely used by soft matter physicists as a research tool to detect and construct the trajectories of micron-sized particles in ffuids. Analyzing these trajectories will uncover the physics of the investigated particles mainly on the type of motion they undergo making them suitable for potential applications. A plethora of methods has been proposed and used for detection and tracking. In this work, we examine the performance of two commonly used tracking algorithms in terms of threshold dependencies in digital video images. One of them is the centroid method (CM), a well-known and used algorithm and the other is radial symmetry method (RSM) which is recently proposed. Here, we generate the synthetic digital video images consisting of randomly placed multiple particles and compare the absolute errors on the particle detection by varying threshold values. Our results suggest that both algorithms show dependence on the threshold value and on comparison RSM algorithm performs better than the CM algorithm when the noise level is zero. Moreover, the measured absolute errors show a strong dependence on threshold values when noise levels are increased (up to 20) especially for the RSM algorithm.en_US
dc.description.provenanceMade available in DSpace on 2019-02-21T16:02:59Z (GMT). No. of bitstreams: 1 Bilkent-research-paper.pdf: 222869 bytes, checksum: 842af2b9bd649e7f548593affdbafbb3 (MD5) Previous issue date: 2018en
dc.identifier.doi10.1063/1.5078876en_US
dc.identifier.issn0094-243Xen_US
dc.identifier.urihttp://hdl.handle.net/11693/50063en_US
dc.language.isoEnglishen_US
dc.publisherAmerican Institute of Physicsen_US
dc.relation.isversionofhttps://doi.org/10.1063/1.5078876en_US
dc.source.titleAIP Conference Proceedingsen_US
dc.subjectParticle tracking algorithmsen_US
dc.subjectThreshold effecten_US
dc.subjectCentroid method (CM)en_US
dc.subjectRadial symmetry method (RSM)en_US
dc.titleThreshold effect on particle tracking algorithmsen_US
dc.typeConference Paperen_US

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