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dc.contributor.authorTauschensky, Anika-
dc.contributor.authorMara, Hubert-
dc.contributor.authorDunker, Thomas-
dc.contributor.authorTrostmann, Erik-
dc.contributor.otherSchiller, Michael-
dc.contributor.otherBrunn, Andreas-
dc.date.accessioned2023-08-16T13:30:12Z-
dc.date.available2023-08-16T13:30:12Z-
dc.date.issued2023-06-
dc.identifier.urihttps://fordatis.fraunhofer.de/handle/fordatis/281-
dc.identifier.urihttp://dx.doi.org/10.24406/fordatis/210-
dc.description.abstractThe dataset contains albedo and normal image and a 3D triangle mesh with additional features (multi scale integral invariants) for the obverse of medieval coins. There are three different types of coins. Within each typ there are many samples of various state of conservation. Numismatists can recognize similarities between samples of one type and differences between samples of different type. We are interested in the development of computer methods, which can measure such similarities and differences based on these digital representations of the coins.en
dc.description.sponsorshipThe development of O.S.C.A.R. - the device for coin digitization - was funded by Staatskanzlei und Ministerium für Kultur des Landes Sachsen-Anhalt. Coins were digitized within the projects "Digital Heritage" funded by Investitionsbank Sachsen-Anhalt and "Rares-Bares" funded by the Federal Ministry of Education and Research.en
dc.language.isoenen
dc.rights.urihttps://creativecommons.org/licenses/by-sa/4.0/en
dc.subjectmedieval coinsen
dc.subjectphotometric stereoen
dc.subjectnormal, albedo and triangle meshen
dc.subjectmulti-scale integral invariantsen
dc.subject.ddcDDC::900 Geschichte und Geografie::940 Geschichte Europas::943 Geschichte Geschichte Mitteleuropas; Deutschlandsen
dc.subject.ddcDDC::000 Informatik, Informationswissenschaft, allgemeine Werke::060 Verbände, Organisationen, Museen::069 Museumswissenschaften
dc.titleMedieval coins of three different types and of various states of preservationen
dc.title.alternativeImages and 3D triangle meshes generated with a single-camera, multi-light setup (photometric stereo)en
dc.typeOtheren
dc.contributor.funderBundesministerium für Bildung und Forschung BMBF (Deutschland)en
dc.contributor.funderStaatskanzlei und Ministerium für Kultur des Landes Sachsen-Anhalten
dc.contributor.funderInvestitionsbank Sachsen-Anhalten
dc.description.technicalinformationFolders collect the data of different coin types. The data of one coin comprises multiple files, which share the beginning of the file name (identifier_timestamp). Color images are saved in TIFF format with extension .tif. While _albedo represents the color texture, the RGB-channels of _normal stand for the xyz-coordinates of the normal vectors, where the interval [-1, 1] is linearily mapped to [0, 255]. Triangle meshes are saved in PLY format with extension .ply. A JSON file contains meta information as identifiers for collection and "kenom" online catalogue (https://www.kenom.de/), type and resolution.en
fordatis.instituteIFF Fraunhofer-Institut für Fabrikbetrieb und -automatisierungen
fordatis.project.fhgid11-13141-2220-00001en
fordatis.project.fhgid11-04206-2220-00001en
fordatis.project.fhgid022-310063en
fordatis.project.fhgid022-310044en
fordatis.project.fhgid022-310005en
fordatis.rawdatafalseen
fordatis.sponsorship.projectid01UG2045Xen
fordatis.sponsorship.projectnameRares-Baresen
fordatis.date.start2021-03-08-
fordatis.date.end2023-05-
Appears in Collections:Fraunhofer-Institut für Fabrikbetrieb und -automatisierung IFF

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Bahrfeldt-19-a.zipfirst 78 of 156 samples of type Bahrfeldt 192,08 GBZIPDownload/Open
Bahrfeldt-19-b.ziplast 78 of 156 samples of type Bahrfeldt 192,05 GBZIPDownload/Open
Mehl-499-a.zipfirst 102 of 204 samples of type Mehl 4993,72 GBZIPDownload/Open
Mehl-499-b.ziplast 102 of 204 samples of type Mehl 4993,74 GBZIPDownload/Open
Mehl-595.zip77 samples of type Mehl 5952,05 GBZIPDownload/Open
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