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Proceedings Article

Development of a 16-band multispectral image archiving system

[+] Author Affiliations
Hiroyuki Fukuda

National Institute of Information and Communications Technology (Japan)

Toshio Uchiyama

NTT Data Co., Ltd. (Japan)

Hideaki Haneishi

National Institute of Information and Communications Technology (Japan) and Chiba Univ. (Japan)

Masahiro Yamaguchi

Tokyo Institute of Technology (Japan)

Nagaaki Ohyama

National Institute of Information and Communications Technology (Japan) and Tokyo Institute of Technology (Japan)

Proc. SPIE 5667, Color Imaging X: Processing, Hardcopy, and Applications, 136 (January 28, 2005); doi:10.1117/12.592533
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From Conference Volume 5667

  • Color Imaging X: Processing, Hardcopy, and Applications
  • Reiner Eschbach; Gabriel G. Marcu
  • San Jose, CA | January 17, 2005

abstract

To preserve museum collections of works of art, these collections are often photographed for display in digital museums. However, conventional photography cannot capture spectral characteristics of objects. In this paper, we describe a 16-band camera system designed to produce spectral images of ancient paintings. Results of color reproduction of captured images and results of spectral analysis of images of ancient paintings are also presented. The camera consists of a 2000×2000-pixel CCD, a rotational filter turret with 16 interference filters, and a PC-based image capturing and displaying unit. The camera's lens is interchangeable, and it enables two or more different view sizes. Each band image of the camera can be focused independently, and it reduces longitudinal chromatic aberration. A stroboscope is used for lighting, and the rotational filter turret and electrical shutter of the CCD have been synchronized with it. An electric motor-driven photographic platform is used to enable photographing large objects in several shots. We evaluated the results of color estimation for an image taken by this camera using the GretagMacbeth ColorChecker 24-color chart. The average ΔEab was 2.09 (maximum ΔEab was 4.03). Spectral reflectance were used to analyze a degraded area on an ancient painting.

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Hiroyuki Fukuda ; Toshio Uchiyama ; Hideaki Haneishi ; Masahiro Yamaguchi and Nagaaki Ohyama
"Development of a 16-band multispectral image archiving system", Proc. SPIE 5667, Color Imaging X: Processing, Hardcopy, and Applications, 136 (January 28, 2005); doi:10.1117/12.592533; http://dx.doi.org/10.1117/12.592533


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