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  On Cross-Validation and Resampling of BRDF Data Measurements

Havran, V., Neummann, A., Zotti, G., Purgathofer, W., & Seidel, H.-P. (2005). On Cross-Validation and Resampling of BRDF Data Measurements. In 21st Spring Conference on Computer Graphics (SCCG 2005) (pp. 154-161). Bratislava, Slovakia: Comenius University.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-272C-3 Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-272D-1
Genre: Konferenzbeitrag

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 Urheber:
Havran, Vlastimil1, Autor           
Neummann, Attila, Autor
Zotti, Georg, Autor
Purgathofer, Werner, Autor
Seidel, Hans-Peter1, Autor           
Jüttler, Bert, Herausgeber
Affiliations:
1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              

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Schlagwörter: -
 Zusammenfassung: We discuss the validation of BTF data measurements by means used for BRDF measurements. First, we show how to apply the Helmholtz reciprocity and isotropy for a single data set. Second, we discuss a cross-validation for BRDF measurement data obtained from two different measurement setups, where the measurements are not calibrated or the level of accuracy is not known. We show the practical problems encountered and the solutions we have used to validate physical setup for four material samples. We describe a novel coordinate system suitable for resampling the BRDF data from one data set to another data set. Further, we show how the perceptually uniform color space CIELab is used for cross-comparison of BRDF data measurements, which were not calibrated.

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Sprache(n): eng - English
 Datum: 2006-06-192005
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: Bratislava, Slovakia : Comenius University
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: eDoc: 279017
Anderer: Local-ID: C125675300671F7B-25CADC1936221BA8C12570B300451D4B-Havran2005SCCG
 Art des Abschluß: -

Veranstaltung

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Titel: Untitled Event
Veranstaltungsort: Budmerice, Slovakia
Start-/Enddatum: 2005-05-12

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Titel: 21st Spring Conference on Computer Graphics (SCCG 2005)
Genre der Quelle: Konferenzband
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Bratislava, Slovakia : Comenius University
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 154 - 161 Identifikator: ISBN: 80-223-2057-9