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Automatic in-line i...
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Bergström, Per,1981-Luleå tekniska universitet,Matematiska vetenskaper,Luleå University of Technology, Department of Engineering Sciences and Mathematics, Luleå, Sweden
(författare)
Automatic in-line inspection of shape based on photogrammetry
- Artikel/kapitelEngelska2016
Förlag, utgivningsår, omfång ...
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Lund :Swedish Production Academy,2016
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:hv-10249
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https://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-10249URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-60006URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-21852URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:kon swepub-publicationtype
Anmärkningar
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We are describing a fully automatic in-line shape inspection system for controlling the shape of moving objects on a conveyor belt. The shapes of the objects are measured using a full-field optical shape measurement method based on photogrammetry. The photogrammetry system consists of four cameras, a flash, and a triggering device. When an object to be measured arrives at a given position relative to the system, the flash and cameras are synchronously triggered to capture images of the moving object.From the captured images a point-cloud representing the measured shape is created. The point-cloud is then aligned to a CAD-model, which defines the nominal shape of the measured object, using a best-fit method and a feature-based alignment method. Deviations between the point-cloud and the CAD-model are computed giving the output of the inspection process. The computational time to create a point-cloud from the captured images is about 30 seconds and the computational time for the comparison with the CAD-model is about ten milliseconds. We report on recent progress with the shape inspection system.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Fergusson, MichaelXtura AB, Kungsbacka, Sweden
(författare)
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Folkesson, PatrikXtura AB, Kungsbacka, Sweden
(författare)
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Runnemalm, AnnaHögskolan Väst,Avdelningen för produktionssystem (PS),PTW,University West, Department of Engineering Sciences, Trollhättan,Production Technology, University West, Trollhättan, Sweden(Swepub:his)runa
(författare)
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Ottosson, MattiasHögskolan Väst,Avdelningen för produktionssystem (PS),PTW,University West, Department of Engineering Sciences, Trollhättan,Production Technology, University West, Trollhättan, Sweden(Swepub:hv)tmot
(författare)
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Andersson, AlfChalmers University of Technology, Department of Product and Production Development, Gothenburg, Sweden
(författare)
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Sjödahl, Mikael,1965-Luleå tekniska universitet,Strömningslära och experimentell mekanik,Luleå University of Technology, Department of Engineering Sciences and Mathematics, Luleå, Sweden(Swepub:ltu)mike
(författare)
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Luleå tekniska universitetMatematiska vetenskaper
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:The 7th International Swedish Production Symposium, SPS16, Conference ProceedingsLund : Swedish Production Academy, s. 1-9
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Ingår i:SPS16Lund : Swedish Production Academy, s. 1-9
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