An affordable multispectral imaging system for the digital museum

Authors:
Gianluca Novati;Paolo Pellegri;Raimondo Schettini
Affiliations:
DISCo, University of Milano – Bicocca, Via Bicocca degli Arcimboldi 8, 20126, Milano and ITC, Italian National Research Council, Via Bassini 15, 20133, Milano, Italy;DISCo, University of Milano – Bicocca, Via Bicocca degli Arcimboldi 8, 20126, Milano and ITC, Italian National Research Council, Via Bassini 15, 20133, Milano, Italy;DISCo, University of Milano – Bicocca, Via Bicocca degli Arcimboldi 8, 20126, Milano, Italy
Venue:
International Journal on Digital Libraries - Special section on Digital Museum
Year:
2005

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Abstract

The use of multispectral imaging for the acquisition of the image content of a digital museum is proposed. The advantages of multispectral imaging over “traditional” RGB imaging are explained, and the two existing approaches to multispectral acquisition, based on narrowband and wideband sensors respectively, are detailed. The characteristics of wideband multispectral acquisition systems in view of their possible large-scale use for digital museum content acquisition are then discussed, and an example system assembled by the authors and tested in acquisitions of real artifacts is introduced. Finally, it is shown that multispectral representations collected with such systems can be used for several purposes, including reproduction with current and future devices and support for monitoring and restoration, making them a natural choice for master copies in cultural institutions’ archives.