{"refrec":{"BRefID":437393,"RR":"<b>Brouwers, B.; Gruwez, V.; Plancke, Y.; Peeters, P.</b> (2025). Validatie metingen valsnelheid van sediment met OpenPIV: eindrapport. Versie 4.0. <i>WL Rapporten</i>, 25_004_2. Waterbouwkundig Laboratorium: Antwerpen. VII, 20 pp. <a href=\"https://dx.doi.org/10.48607/372\" target=\"_blank\">https://dx.doi.org/10.48607/372</a>","BEntID":435224,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". Versie 4.0. <i>WL Rapporten</i>, 25_004_2. Waterbouwkundig Laboratorium: Antwerpen.  VII, 20 pp. <a href=\"https://dx.doi.org/10.48607/372\" target=\"_blank\">https://dx.doi.org/10.48607/372</a>","DocTypID":13,"DocType":"Reports","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Brouwers, B.; Gruwez, V.; Plancke, Y.; Peeters, P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Brouwers, B. <i>et al.</i>","Englishabstract":null,"AbstractOtherLang":"In het sedimentologisch laboratorium is reeds enkele jaren een fysische opstelling beschikbaar waarmee beelden kunnen worden gegenereerd van sediment dat in water bezinkt. Deze opstelling werd voornamelijk gebruikt door studenten. Voor het afleiden van de bezinkingssnelheid op basis van deze beelden werd tot nu toe de Streams Software gebruikt.<br>Voor verschillende onderzoeksgroepen binnen het WL is de mogelijkheid om de bezinkingssnelheid van sediment te bepalen een waardevolle toevoeging. De Streams Software is echter weinig bekend binnen het WL, terwijl andere soortgelijke software, zoals OpenPIV, wél vaker wordt toegepast. In dit project werd daarom geëvalueerd of OpenPIV geschikt is voor deze toepassing.<br>Allereerst werd de nauwkeurigheid van de verkregen snelheidsvectoren bepaald, waarbij manueel bepaalde vectoren als referentie dienden. Vervolgens werd een dataset die eerder met Streams verwerkt was, opnieuw geanalyseerd met OpenPIV, om de resultaten van beide softwaretoepassingen te kunnen vergelijken.<br>Zowel de validatie van de resultaten bij gebruik van OpenPIV als de vergelijking met de resultaten van Streams werd positief beoordeeld. 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