Cultural Heritage Preservation Using Constructive Shape Modeling

Issues of digital preservation of shapes and internal structures of historical cultural objects are discussed. An overview of existing approaches to digital preservation related to shape modeling is presented and corresponding problems are considered. We propose a new digital preservation paradigm b...

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Vydáno v:	Computer Graphics Forum Ročník 23; číslo 1; s. 25 - 41
Hlavní autoři:	Vilbrandt, C., Pasko, G., Pasko, A., Fayolle, P.-A., Vilbrandt, T., Goodwin, J. R., Goodwin, J. M., Kunii, T. L.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	9600 Garsington Road , Oxford , OX4 2DQ , UK Blackwell Publishing Ltd 01.03.2004 Wiley
Témata:	and object representations Archives & records Boundary representations constructive solid geometry Constructive solid geometry (CSG) Cultural heritage Curve Digital imaging Digital preservation digital preservation of cultural heritage fitting function representation Graphics data structures and data types Historic preservation I.3.5 [Computer Graphics]: Computational Geometry and Object Modeling I.3.5 [Computer Graphics]: Computational Geometry and Object Modeling, Boundary representations, Constructive solid geometry (CSG), Curve, surface, solid, and object representations, Function representation, Modeling packages I.3.6 [Computer Graphics]: Methodology and Techniques I.3.6 [Computer Graphics]: Methodology and Techniques, Graphics data structures and data types, Languages, Standards I.3.8 [Computer Graphics]: Applications - simulation I.3.8 [Computer Graphics]: Applications – simulation, digital preservation of cultural heritage implicit surfaces Languages Modeling packages shape modeling solid Studies surface virtual environments
ISSN:	0167-7055, 1467-8659
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Shrnutí:	Issues of digital preservation of shapes and internal structures of historical cultural objects are discussed. An overview of existing approaches to digital preservation related to shape modeling is presented and corresponding problems are considered. We propose a new digital preservation paradigm based on both constructive modeling reflecting the logical structure of the objects and open standards and procedures. Constructive Solid Geometry (CSG) and Function Representation (FRep) are examined and practically applied as mathematical representations producing compressed yet precise data structures, thus providing inter‐operability between current and future computer platforms crucial to archiving. Examples of CSG reconstruction of historical temples and FRep modeling of traditional lacquer ware are given. We examine the application of fitting of a parameterized FRep model to a cloud of data points as a step towards automation of the modeling process. Virtual venues for public access to cultural heritage objects including real time interactive simulation of cultural heritage sites over the Web are discussed and illustrated.
Bibliografie:	ArticleID:CGF003 ark:/67375/WNG-DD58RLFJ-K istex:25DCD83896B9C904C5D9517450CCFABB8F911665 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 14 ObjectType-Article-2 content type line 23
ISSN:	0167-7055 1467-8659
DOI:	10.1111/j.1467-8659.2004.00003.x