Multispectral image acquisition of ancient manuscripts

Authors:
Fabian Hollaus;Melanie Gau;Robert Sablatnig
Affiliations:
Computer Vision Lab, Vienna University of Technology, Vienna, Austria;Computer Vision Lab, Vienna University of Technology, Vienna, Austria;Computer Vision Lab, Vienna University of Technology, Vienna, Austria
Venue:
EuroMed'12 Proceedings of the 4th international conference on Progress in Cultural Heritage Preservation
Year:
2012

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Abstract

This paper presents image acquisition and readability enhancement techniques based on multispectral imaging. In an interdisciplinary manuscript and palimpsest research project an imaging system using a combination of LED illumination and spectral filtering was developed. On basis of the resulting multispectral image information the readability of the texts is enhanced and palimpsest texts are made visible by applying two different methods of Blind Source Separation, namely Principal Component Analysis and Independent Component Analysis.