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Proceedings Article

Color image reproduction based on multispectral and multiprimary imaging: experimental evaluation

[+] Author Affiliations
Masahiro Yamaguchi

Tokyo Institute of Technology (Japan)

Taishi Teraji, Yuri Murakami, Nagaaki Ohyama

Tokyo Institute of Technology and Telecommunications Advancement Organization of Japan (Japan)

Kenro Ohsawa, Toshio Uchiyama, Hideto Motomura

Telecommunications Advancement Organization of Japan (Japan)

Proc. SPIE 4663, Color Imaging: Device-Independent Color, Color Hardcopy, and Applications VII, 15 (December 28, 2001); doi:10.1117/12.453003
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From Conference Volume 4663

  • Color Imaging: Device-Independent Color, Color Hardcopy, and Applications VII
  • Reiner Eschbach; Gabriel G. Marcu
  • San Jose, CA | January 19, 2002

abstract

Multispectral imaging is significant technology for the acquisition and display of accurate color information. Natural color reproduction under arbitrary illumination becomes possible using spectral information of both image and illumination light. In addition, multiprimary color display, i.e., using more than three primary colors, has been also developed for the reproduction of expanded color gamut, and for discounting observer metamerism. In this paper, we present the concept for the multispectral data interchange for natural color reproduction, and the experimental results using 16-band multispectral camera and 6-primary color display. In the experiment, the accuracy of color reproduction is evaluated in CIE (Delta) Ea*b* for both image capture and display systems. The average and maximum (Delta) Ea*b* = 1.0 and 2.1 in 16-band mutispectral camera system, using Macbeth 24 color patches. In the six-primary color projection display, average and maximum (Delta) Ea*b* = 1.3 and 2.7 with 30 test colors inside the display gamut. Moreover, the color reproduction results with different spectral distributions but same CIE tristimulus value are visually compared, and it is confirmed that the 6-primary display gives improved agreement between the original and reproduced colors.

© (2001) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Masahiro Yamaguchi ; Taishi Teraji ; Kenro Ohsawa ; Toshio Uchiyama ; Hideto Motomura, et al.
"Color image reproduction based on multispectral and multiprimary imaging: experimental evaluation", Proc. SPIE 4663, Color Imaging: Device-Independent Color, Color Hardcopy, and Applications VII, 15 (December 28, 2001); doi:10.1117/12.453003; http://dx.doi.org/10.1117/12.453003


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