| fullrecord |
[{"key": "dc.contributor.advisor", "value": "Koivum\u00e4ki, Tuomas", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Peuna, Arttu", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Miettinen, Arttu", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Raiskinm\u00e4ki, Emilia", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2022-09-14T08:08:38Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2022-09-14T08:08:38Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2022", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/83245", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "T\u00e4ss\u00e4 pro gradu -tutkielmassa tutkittiin teko\u00e4lypohjaisen automaattisen menetelm\u00e4n (Siemens OrgansRT, AI-Rad Companion) kliinist\u00e4 suorituskyky\u00e4 kriittisten elinten rajaamisessa, eli segmentoinnissa. S\u00e4dehoidon annossuunnitelma tehd\u00e4\u00e4n potilaskohtaisesti ja etenkin segmentointi vie runsaasti ty\u00f6ntekij\u00f6iden aikaa. Ty\u00f6ajan s\u00e4\u00e4st\u00e4miseksi segmentointiin on kehitetty automaattisia teko\u00e4lypohjaisia menetelmi\u00e4. Menetelmien toimivuutta t\u00e4ytyy kuitenkin arvioida ennen kliinist\u00e4 k\u00e4ytt\u00f6\u00f6nottoa.\n\nTutkimuksessa automatisoidun segmentointimenetelm\u00e4n tekemi\u00e4 rakenteiden rajauksia verrataan ammattihenkil\u00f6iden piirt\u00e4miin rajauksiin Dice similarity coefficient (DSC) -mittarin ja Hausdorffin et\u00e4isyyden (HD) avulla. \n\nTutkimuksen aineisto koostettiin 75 potilaan tietokonetomografialaitteella otetuista s\u00e4dehoidon annossuunnittelukuvista. Yhteens\u00e4 17 rakennetta valittiin tarkasteltavaksi tutkimukseen. \n\nMatalimmat, eli tutkimuksen heikoimmat, DSC:n arvot saivat p\u00e4\u00e4n ja kaulan alueen rakenteet, etenkin linssit. Oikean linssin DSC on 0,50 ja vasemman 0,47. Korkeimmat, eli tutkimuksen parhaat, DSC:n arvot sai rintakeh\u00e4n alueelta keuhkot, joiden DSC:t ovat 0,98. Rakenteiden HD-arvot tutkimuksessa vaihtelivat 4,33\u201325,07~mm v\u00e4lill\u00e4 ja HD95 arvot vaihtelivat 2,01\u201317,07~mm v\u00e4lill\u00e4. Korkeimmat, eli tutkimuksen heikoimmat, HD:n ja HD95:n arvot sai per\u00e4suoli, matalimman HD:n sai oikeanpuoleinen linssi ja matalimman HD95:n sai oikeanpuoleinen keuhko. \n\nTutkimuksen tulokset ovat samaa suuruusluokkaa muiden vastaavien menetelmien tulosten kanssa. Aineiston rakenteiden rajauksissa oli mukana sek\u00e4 kliiniseen k\u00e4ytt\u00f6\u00f6n kelpaavia rajauksia, mutta my\u00f6s sellaisia, jotka annossuunnittelua varten tulisi korjata.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Paivi Vuorio (paelvuor@jyu.fi) on 2022-09-14T08:08:38Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2022-09-14T08:08:38Z (GMT). No. of bitstreams: 0\n Previous issue date: 2022", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "81", "language": "", "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.title", "value": "Teko\u00e4lypohjaisen automaattisen menetelm\u00e4n arviointi s\u00e4dehoidon annossuunnittelussa k\u00e4ytett\u00e4vien elinten rajaamisessa", "language": "", "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-202209144591", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Fysiikan laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Physics", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "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": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"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": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "4021", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "l\u00e4\u00e4ketieteellinen fysiikka", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "s\u00e4dehoito", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "teko\u00e4ly", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "segmentointi", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
|