Development of an infrared PTV

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2002 Japanese Publisher:The Visualization Society of JapanJournal:Journal of the Visualization Society of Japan, volume 22, pages 357-360 (issn: 0916-4731, eissn: 1884-037X,

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Authors: T. Goji ETOH; Kohsei TAKEHARA; Satoshi OKUNO; Yasuhide TAKANO;

doi: 10.3154/jvs.22.1supplement_357

Development of an infrared PTV

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Abstract

The Infrared PTV (Particle Tracking Velocimetry) is proposed for applications to measurements of surface velocity fields of local water bodies, such as rivers, lakes, ponds, estuaries and coastal areas. The tracers are either ice particles or soaked and frozen flat edible cakes. The cameras are infrared sensitive. PTV algorisms can be applied to the infrared particle images. The system can measure detailed surface velocity fields of floods even in the darkness. No or negligible pollutant is supplied respectively by the ice particles or the flat cakes.

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