@prefix ocrer: <http://purl.org/net/OCRe/research.owl#> .
@prefix owl:   <http://www.w3.org/2002/07/owl#> .
@prefix scires: <http://vivoweb.org/ontology/scientific-research#> .
@prefix xsd:   <http://www.w3.org/2001/XMLSchema#> .
@prefix skos:  <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs:  <http://www.w3.org/2000/01/rdf-schema#> .
@prefix ocresd: <http://purl.org/net/OCRe/study_design.owl#> .
@prefix swo:   <http://www.ebi.ac.uk/efo/swo/> .
@prefix cito:  <http://purl.org/spar/cito/> .
@prefix geo:   <http://aims.fao.org/aos/geopolitical.owl#> .
@prefix ocresst: <http://purl.org/net/OCRe/statistics.owl#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix vivo:  <http://vivoweb.org/ontology/core#> .
@prefix event: <http://purl.org/NET/c4dm/event.owl#> .
@prefix vann:  <http://purl.org/vocab/vann/> .
@prefix foaf:  <http://xmlns.com/foaf/0.1/> .
@prefix c4o:   <http://purl.org/spar/c4o/> .
@prefix fabio: <http://purl.org/spar/fabio/> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix thkoeln: <http://cris.nrw/hisinone#> .
@prefix vitro: <http://vitro.mannlib.cornell.edu/ns/vitro/0.7#> .
@prefix vitro-public: <http://vitro.mannlib.cornell.edu/ns/vitro/public#> .
@prefix rdf:   <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ocresp: <http://purl.org/net/OCRe/study_protocol.owl#> .
@prefix bibo:  <http://purl.org/ontology/bibo/> .
@prefix obo:   <http://purl.obolibrary.org/obo/> .
@prefix ro:    <http://purl.obolibrary.org/obo/ro.owl#> .

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<https://fis.th-koeln.de/vivo/individual/journal_2104>
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        rdfs:label                "Computer graphics forum" ;
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        rdfs:label  "Dokument"@de-DE , "Document"@en-US , "Document"@en .

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        a       obo:BFO_0000003 , obo:BFO_0000008 , obo:BFO_0000001 , vivo:DateTimeValue , obo:BFO_0000148 , owl:Thing .

owl:Thing  a    owl:Class .

thkoeln:Journalartikel
        a           owl:Class ;
        rdfs:label  "Journal Article"@en-US , "Journalartikel"@de-DE .

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        a       thkoeln:Zitat , owl:Thing .

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<https://fis.th-koeln.de/vivo/individual/publ_16432>
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        rdfs:label                "Acquisition and Validation of Spectral Ground Truth Data for Predictive Rendering of Rough Surfaces" , "RDF description of Acquisition and Validation of Spectral Ground Truth Data for Predictive Rendering of Rough Surfaces - https://fis.th-koeln.de/vivo/individual/publ_16432" ;
        thkoeln:URL               "https://onlinelibrary.wiley.com/doi/10.1111/cgf.13470" ;
        thkoeln:dokumententyp     "Wissenschaftlicher Artikel" ;
        thkoeln:sprache           "englisch" ;
        thkoeln:status            "validiert" ;
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                <https://fis.th-koeln.de/vivo/individual/cite_16432-0> , <https://fis.th-koeln.de/vivo/individual/cite_16432-1> , <https://fis.th-koeln.de/vivo/individual/cite_16432-2> ;
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                "2026-04-04T09:32:14"^^xsd:dateTime ;
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                <https://fis.th-koeln.de/vivo> ;
        <http://purl.org/dc/elements/1.1/rights>
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        bibo:abstract             "Physically based rendering uses principles of physics to model the interaction of light with matter. Even though it is possible to achieve photorealistic renderings, it often fails to be predictive. There are two major issues: first, there is no analytic material model that considers all appearance critical characteristics; second, light is in many cases described by only 3 RGB-samples. This leads to the problem that there are different models for different material types and that wavelength dependent phenomena are only approximated. In order to be able to analyze the influence of both problems on the appearance of real world materials, an accurate comparison between rendering and reality is necessary. Therefore, in this work, we acquired a set of precisely and spectrally resolved ground truth data. It consists of the precise description of a new developed reference scene including isotropic BRDFs of 24 color patches, as well as the reference measurements of all patches under 13 different angles inside the reference scene. Our reference data covers rough materials with many different spectral distributions and various illumination situations, from direct light to indirect light dominated situations." ;
        bibo:doi                  "10.1111/cgf.13470" ;
        bibo:issue                "4" ;
        bibo:pageEnd              "12" ;
        bibo:pageStart            "1" ;
        bibo:volume               "37" ;
        vitro:mostSpecificType    thkoeln:Journalartikel ;
        vivo:dateTimeValue        <http://cris.nrw/date2018> ;
        vivo:freetextKeyword      "CCS Concepts" , "•Computing methodologies → Reflectance modeling" ;
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        a       thkoeln:Zitat , owl:Thing .

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<https://fis.th-koeln.de/vivo/individual/cite_16432-0>
        a       thkoeln:Zitat , owl:Thing .

thkoeln:Publikation  a  owl:Class ;
        rdfs:label  "Publikationen"@de-DE , "Publications"@en-US .