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[{"key": "dc.contributor.author", "value": "Kaijaluoto, Sampsa", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2011-09-25T12:08:27Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2011-09-25T12:08:27Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2011", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1184186", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/36717", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Tutkielmassa kartoitettiin katsojan havainnointikyvyn ja n\u00e4ytt\u00f6p\u00e4\u00e4tteen kuvanlaadun vaikutuksia kuvanhavainnointiin. Tavoitteena oli selvitt\u00e4\u00e4, mitk\u00e4 tekij\u00e4t vaikuttavat havainnointitarkkuuteen eniten ja voitaisiinko sit\u00e4 merkitt\u00e4v\u00e4sti parantaa teknisin toimenpitein. Kiinnostuksen kohteena oli my\u00f6s, eroavatko kliinikoiden ja radiologien tulokset toisistaan. Tutkimus toteutettiin Keski-Suomen keskussairaalassa selainpohjaisena kyselytutkimuksena. Katsojan ominaisuuksia selvitettiin taustoittavilla kysymyksill\u00e4, n\u00e4ytt\u00f6j\u00e4rjestelm\u00e4n kuvanlaatua visuaalisilla testeill\u00e4 ja havainnointitarkkuutta kontrasti-detalji-testeill\u00e4. Vastaajia oli 64, joista kliinikkoja 52 ja radiologeja 12. Tuloksista selvisi, ett\u00e4 merkitt\u00e4vimpi\u00e4 havainnointitarkkuuteen vaikuttavia tekij\u00f6it\u00e4 ovat merkitsevyysj\u00e4rjestyksess\u00e4 n\u00e4ytt\u00f6j\u00e4rjestelm\u00e4n luminanssivaste, n\u00e4yt\u00f6ll\u00e4 esiintyv\u00e4 hajaheijastus sek\u00e4 silm\u00e4lasien k\u00e4ytt\u00f6. Hyv\u00e4 luminanssivaste vaikutti havainnointiin positiivisesti, kun taas voimakkaan hajaheijastuksen ja silm\u00e4lasien k\u00e4yt\u00f6n vaikutus oli negatiivinen. Koska merkitt\u00e4vimm\u00e4t havainnointitarkkuuteen vaikuttavat tekij\u00e4t liittyiv\u00e4t n\u00e4ytt\u00f6j\u00e4rjestelm\u00e4n ominaisuuksiin, p\u00e4\u00e4teltiin ett\u00e4 teknisill\u00e4 toimenpiteill\u00e4, kuten kalibroinnilla tai katseluymp\u00e4rist\u00f6n valon m\u00e4\u00e4r\u00e4\u00e4 kontrolloimalla, voitaisiin saavuttaa huomattavaa hy\u00f6ty\u00e4. P\u00e4\u00e4telm\u00e4\u00e4 tukee se, ett\u00e4 radiologit, joiden n\u00e4ytt\u00f6jen suorituskyky\u00e4 ja katseluymp\u00e4rist\u00f6n valaistusta kontrolloidaan, suoriutuivat testeiss\u00e4 selv\u00e4sti kliinikoita paremmin.", "language": null, "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Sampsa Kaijaluoto (sapikaij) on 2011-09-25 12:08:22.054201. Form: Pro gradu -lomake (1 tekij\u00e4) (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake-1-tekijae). JyX data:", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija@noreply.fi) on 2011-09-25T12:08:26Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-2011092511442.pdf: 11404745 bytes, checksum: 9a464deef70c46ec2529f2fff45bbd2a (MD5)\nlicense.html: 5035 bytes, checksum: 64aceec839b1fa99dee7a1db19d03793 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2011-09-25T12:08:27Z (GMT). No. of bitstreams: 2\nURN:NBN:fi:jyu-2011092511442.pdf: 11404745 bytes, checksum: 9a464deef70c46ec2529f2fff45bbd2a (MD5)\nlicense.html: 5035 bytes, checksum: 64aceec839b1fa99dee7a1db19d03793 (MD5)\n Previous issue date: 2011", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "90 sivua", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "havainnointi", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "havainnointikyky", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "havainnointitarkkuus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "kuvankatseluolosuhteet", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "kuvanlaatu", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "laatu", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "nestekiden\u00e4ytt\u00f6", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "n\u00e4ytt\u00f6jen laadunvalvonta", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "n\u00e4ytt\u00f6p\u00e4\u00e4te", 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"schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Fysiikka", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Physics", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.date.updated", "value": "2011-09-25T12:08:27Z", "language": null, "element": "date", "qualifier": "updated", "schema": "dc"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": "fi", "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": 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